The 4 best dive computers 2024?

Dive computers calculate when, how long and at what depth decompression stops need to be made. These decompression stops are important to prevent decompression sickness, which is well-known among divers.

Good dive computers can do more than just calculate decompression:

Good dive computers measure depth, ascent speed, temperature or function as a digital compass. Higher-priced models can even be connected to the compressed air cylinder and display how much air, Nitrox or other gas mixtures are left.

The best dive computers 2024?

In a hurry? Our favorite dive computer:

These are the top 4 dive computers in 2024

1. Suunto Dive Zoop Novo

Summary

The name Suunto stands for high-quality dive computers. The Finnish manufacturer is one of the oldest dive computer suppliers. This dive computer impresses with its simplicity, clarity and value for money. The large LCD and dot-matrix screen provides space for all important values.

In addition to all the features that are important for dive planning, this dive computer has other extras such as a temperature display and a large 140-hour logbook memory.

The dive computer is also suitable for Nitrox with up to 50 %. It also has 4 other modes: compressed air, bottom timer (gauge), apnea and off (watch mode).

The screen is not in color and therefore cannot present information in an ideal way visually. For those who value air integration, the Suunto Vyper Novo model is the right choice.

Conclusion

Comprehensive dive computer for beginners and advanced divers with a great price-performance ratio.

Product details

Housing: plastic | Display: LCD with dot-matrix segment | Dive modes: air, nitrox up to 50 %, gauge, apnoea, off | Alarm: visual and audible | Battery: self-replaceable | Maximum depth: 120 m

Customer ratings

FAQ

» Scroll Up

2. scubapro Aladin One

Summary

The Aladin One from Scubapro is simple, fulfills its purpose and has a great price-performance ratio. It measures all common values and uses them to calculate the necessary decompression stops, decompression times and no-decompression times. Other features: Alarm/warning, fresh and salt water mode. The dive computer is therefore ideal for beginners, but the model can also be an interesting backup for advanced divers.

A special feature of this dive computer is the segmented screen, which consists of a combination of LC display and dot matrix. The device is equipped with a backlight so that the screen is always visible under water. The batteries in this dive computer can be changed by the user.

To view the data stored in the logbook, the computer is connected via Bluetooth to the app provided by the manufacturer on iOS and Android.

The maximum depth that can be reached with this dive computer is 120 m. Another feature is the Nitrox compatibility with an oxygen content of up to 50 % and a partial pressure of up to 1.6.

The dive computer does not show how much breathing air is left in the compressed air cylinder as it does not have air integration. The screen is relatively small, colorless and can only display information visually in a simple way. The cable required to transfer the data to the computer is not included in the scope of delivery.

Conclusion

Dive computer for beginners with all the important features and a good price-performance ratio.

Product details

Housing: plastic | Display: LCD with dot-matrix segment | Dive modes: scuba, planning, nitrox up to 50 % | Alarm: visual and audible | Battery: self-replaceable | Maximum depth: 120 m

Customer ratings

FAQ

» Scroll Up

3. Suunto Eon Core

Summary

Suitable for beginners and advanced divers, Suunto Eon Core is fully customizable and adapts to your diving habits.

The Eon Core has a wide-angle display and impresses with rich colors and a razor-sharp image. The device has a permanent backlight so that all information can be read even at night and in the dark.

Whether text or graphics, you decide in which style the dive computer measures and displays which values. The battery is rechargeable and has a runtime of 10 to 20 hours.

Many features for advanced users:

The device has all the important functions, such as dive time, depth, time, decompression stops, decompression times, no-decompression time and ascent rate. To control the computer, there are three easy-to-use buttons on the right-hand side.

In addition to the breathing air mode, there are 4 other modes: Nitrox with an oxygen content of up to 99%, Trimix with a helium content of up to 95%, mode for rebreathers, bottom timer and plan mode. The computer can display 10 different gases. The Eon Core also functions as a digital compass and has a temperature display. The device also scores highly in the logbook, with a storage capacity of 200 hours.

The best:

The dive computer is air-integrated and can be connected to the compressed air cylinder via a transmitter in order to precisely determine its content. It is even possible to connect 10 transmitters to one dive computer, ideal for instructors who want to keep an eye on their students.

The large number of features is reflected in the high price. The Eon Core is not suitable as a replacement for a wristwatch, it is simply too big for that.

Conclusion

Dive computer for beginners and advanced divers, many features, large logbook memory and with air integration for up to 10 transmitters.

Product details

Housing: plastic | Display: LCD | Dive modes: compressed air, nitrox up to 99 %, tri-mix up to 95 helium, bottom timer, plan mode, CCR | Alarm: visual and audible | Battery: rechargeable battery with 10-20 h runtime | Maximum depth: 80 m

Customer ratings

FAQ

» Scroll Up

4. Mares Quad

Summary

This high-quality dive computer impresses with its improved display (reviewed compared to the previous model) and ease of use. Four large buttons on the edge of the screen ensure simple menu navigation.

The display is clearly arranged and all values are easy to read. If the lighting conditions are poor, the backlight can be activated to make the screen easy to see despite the darkness.

The Mares Quad has all the important features of a dive computer: decompression times/stops, no-decompression time, time, dive time, depth display, ascent rate, temperature display, altitude setting, salt and fresh water mode, battery indicator. The battery can be changed by the user at home.

The best:

The dive computer works with air integration and shows you how much breathing air/gas is left in the compressed air cylinder. It offers a Nitrox setting for oxygen content up to 99 % and is multi-gas capable (up to 3 gas mixtures).

As the screen is an LCD, information can only be displayed visually in a very simple way. The screen is not in color.

Conclusion

Dive computer with good price-performance ratio, for beginners and advanced divers, with air integration (transmitter included).

Product details

Housing: plastic | Display: LCD | Dive modes: scuba, planning, nitrox: up to 99 % oxygen content, up to 3 gas mixtures | Alarm: visual and audible | Battery: self-replaceable | Maximum depth: 120 m

Customer ratings

FAQ

Bestsellers: The most popular dive computers

(**Last update 2024-09-16)

» Scroll Up

Buy a dive computer:
How to make the right decision

Safety is a major issue when diving, as carelessness and a lack of theoretical knowledge can lead to accidents underwater. One of the biggest risks when diving is decompression sickness.

What is decompression sickness?

The nitrogen dissolved in the blood forms bubbles as it surfaces and the ambient pressure drops. This can lead to gas embolisms or unconsciousness, which can sometimes be fatal.

Dive computers make diving easier:

Dive computers take a lot of work off the diver’s hands and replace decompression tables. The values measured during the dive can be viewed later in the logbook.

The range is diverse and dive computers are sometimes very complex. To help you make the right choice when buying, we at BeyondSurfing have put together the following buying guide.

The right dive computer screen size?

The selection of dive computers is wide and ranges from wristwatch-style dive computers to larger devices that are attached to the buoyancy compensator. Which type you choose depends on your personal preferences and what you need the dive computer for.

Spoiled for choice:

Dive computers with a large screen are particularly interesting for people with visual impairments, but are also more expensive.

Small screens have the advantage that the dive computer can also be worn as a watch, but this should not be the deciding factor when making a purchase.

Before buying a dive computer, ask yourself what is particularly important to you in order to avoid buying mistakes.

The right dive computer display?

There are also different versions of the dive computer display. These differ mainly in price, menu navigation, color and visualization of information. There are three different types of dive computer displays:

1. Dive computer with LC display
2. Dive computer with dot-matrix screen
3. Dive computer with OLED display

1 Dive computer with LC display

Simple dive computers have an LC display with backlighting, as used in digital wristwatches, and are in the lower price range. By pressing the buttons on the dive computer, you can switch between several screens displaying different information. All important information such as depth, dive time and remaining dive time or no-decompression time is displayed on the same screen.

This makes the dive computer very easy to use. However, the menu navigation is somewhat cumbersome, as the screen is usually small and cannot display words very well. New and large dive computers with LC displays do not have this problem, but are more expensive.

LC displays are poor at displaying information visually, as the screen is not in color and cannot display graphics. Some divers find switching between screens cumbersome.

Are dive computers with LC displays worthwhile at all?

Yes! Although they appear very simple, these dive computers fulfill their purpose. They are compact and have a low purchase price for dive computers. Many models also feature air integration and indicate how much oxygen or gas is left in the compressed air cylinder.

This type of dive computer is more than sufficient for beginners and many advanced divers.

2 Dive computer with dot-matrix screen

These dive computers have a larger screen than those with an LCD. This allows them to display more data and words on one screen. Graphical representations in the form of graphs, tables and bars are also possible. This screen is usually also without color.

Menus are easier to read and the menu navigation feels smoother than on dive computers with an LCD display. However, not all information is displayed on one screen. You can switch between the screens and menu items using the buttons on the dive computer.

The best:

Many dive computers with dot-matrix screens have more features than simple dive computers. This means you can often switch between several dive modes or view a detailed logbook.

Many features and more technology, which is also reflected in the price. Dive computers with dot-matrix screens are in the middle price segment. They are suitable for beginners, advanced divers and (often) for technical diving.

3 Dive computer with OLED display

OLED displays are familiar from televisions and smartwatches. The display lights up and is in color. This means that information is also very well presented visually. Values are displayed as numbers, bars or speedometers.

These displays are easy to operate and have a clear structure. They are suitable for all divers and can also be used for technical diving.

Dive computers with OLED display have many different features, such as dive modes, gas mix function, depth gauge, air integration and more. However, they are among the most expensive dive computers. They are suitable for beginners, but if you don’t need all the functions, a simple dive computer will suffice.

The right dive computer backlight?

Backlighting is standard on dive computers. It makes it possible to read the screen even in the dark

Be careful with used dive computers:

However, you should keep your eyes open when looking for a used dive computer. Why? Many older devices do not have a backlight. They must be illuminated with the diving lamp in poor lighting conditions so that something can be recognized on them. This constant reaching for the torch is a hindrance if the diver only wants to take a quick look at his dive computer.

The right dive computer features?

Important and necessary functions:

Depth display

The dive computer measures the depth at which the diver is currently located. The depth of the dive is measured to calculate the decompression stops and no-decompression time.

Time

A dive computer displays the time. Many dive computers also have the functions of a digital wristwatch, such as a stopwatch and countdown timer.

Dive time

The watch notices when the dive begins and shows the diver how long he has been underwater.

Zero time

Indicates how much time the diver would need to return to the surface without a decompression stop. However, diving associations always recommend a decompression stop of 3 minutes at a depth of 5 meters; depending on the depth, a depth stop and further decompression stops may be necessary before this.

Decompression stops

Based on the data measured during the dive, the dive computer calculates at what depth the diver must stop and for how long. These stops are necessary to avoid decompression sickness. If a stop is missed, the diver is notified with an acoustic signal and the times for new stops are calculated.

Ascent speed

The dive computer shows how fast the diver is ascending. If the maximum ascent speed is exceeded, the diver is warned.

Logbook

The measured data for the entire dive is saved in the logbook. These can be called up later on the computer or directly on the device.

Battery

There are two options here: Some dive computers work with a battery and others with rechargeable batteries.

Dive computer with rechargeable battery:

• No battery purchase and replacement necessary
• Problematic without charger

The biggest advantage is obvious: the dive computer battery does not have to be bought and replaced. It becomes problematic if the charger is forgotten at home during the diving vacation, as it is often not possible to obtain a replacement.

Dive computer with battery:

• Not rechargeable
• Batteries must be purchased and replaced
• Can often only be changed by the manufacturer/specialist

The battery in a dive computer is not rechargeable and must be replaced regularly. Some devices must be replaced by the manufacturer or a specialist.

This is no problem at home and the battery can also be changed on site at many diving hotspots. However, if you are on a boat trip or in remote regions, a flat battery can render the dive computer useless for the rest of the time.

Helpful additional functions (optional):

Dive modes

Many dive computers have different modes, the most important of which are

• Clock mode
• Oxygen mode
• Nitrox/gas mixture mode
• Apnea mode
• Gauge mode
• Mode for rebreathers

Clock mode

• Date
• Time
• Stopwatch
• Battery

In watch mode, the dive computer screen displays a normal watch format. This means that the device can be used instead of a wristwatch. The date, time and battery status are displayed. It is often also possible to activate a stopwatch or a countdown timer.

Oxygen mode

• Displays important dive values
• Depth
• Dive time
• Zero time
• Decompression stops
• Battery

Under water, the watch works in scuba mode, displaying all the values described above, such as depth, dive time, no-decompression time, decompression stops, battery status and sometimes temperature.

Nitrox/gas mixture mode

• Like oxygen mode
• But for nitrox and other gas mixtures

This mode is used when diving with Nitrox or another gas mixture such as Tri-Mix. The same values are displayed as in oxygen mode and others, depending on the gas used.

Apnea mode

• For freediving
• Device does not perform any calculations
• Depth gauge and dive time only

Apnea mode is available for diving without an oxygen tank. Here, no calculations are performed by the computer and only the depth and dive time are displayed.

Gauge mode

• For technical diving
• Depth gauge and dive time only

Gauge mode is used for technical diving when the device is only used as a bottom timer. Dive times and stops are planned by the diver before the dive.

Mode for rebreathers (CCR)

For diving with a closed circuit rebreather (CCR), the mode for closed circuit rebreathers is used.

Air integration

Dive computers with air integration are very popular, but what does that actually mean? If the device has this function, it shows how much breathing air is left in the oxygen cylinder.

How does it work?

In the meantime, mainly with a Bluetooth adapter on the oxygen cylinder. However, connection to the pressure gauge is also possible.

For diving instructors and guides:

There are also watches that can connect to several transmitters. This allows the values of the other divers to be kept in view, which ensures that everyone is safe.

Algorithm

The algorithm is not a feature, but the basis for calculating decompression stops and times, so every dive computer also works with an algorithm. However, the algorithms used by the manufacturers differ slightly and can be conservative or liberal:

• Dive computers with a conservative algorithm: Means less time underwater and more decompression for the diver.
• Dive computers with a liberal algorithm: Would give a little more time under the same conditions, which doesn’t mean they aren’t safe.

Most dive computers allow the algorithm to be set more conservatively. This is especially recommended for beginners. Dive computers for technical divers have the option of adjusting different variables.

Storage capacity

The values measured during the dive are stored in the logbook; the memory of each dive computer can store at least one dive’s worth of data.

Storage capacity and price:

Some dive computers can store up to 10 dives, but a larger memory capacity also means a higher price.

Interface

To transfer the data stored on the dive computer to a computer or smartphone, there is either a USB or Bluetooth interface.

Automatic switch-on

As a rule, dive computers are switched on manually, but as some divers tend to forget this, there are devices that switch on automatically when they come into contact with water.

Compass

Some dive computers have an integrated digital compass. This replaces the analog compass and makes it easy to navigate underwater, as everything can be read off the dive computer. Some dive computers also have a GPS for the surface.

The best:

Unlike the compass, the dive computer does not have to be held completely straight to display the direction of the compass.

HUD

With the heads-up display, the dive computer is attached above the goggles and the screen is in the diver’s field of vision. This allows them to maintain their field of vision and read the values on the dive computer at the same time. One such device is the Scubapro Galileo HUD.

Heart rate monitor

Here, a heart rate monitor is worn over the stomach, like a sports watch. The dive computer receives the data and sees how the body is working. The algorithm adapts its calculations individually.

Size and weight of the dive computer?

The size of the dive computer depends primarily on the screen size. When not in use, a large dive computer on your wrist can also be a nuisance. You should therefore consider what size you think is appropriate before buying.

The weight is negligible under water, but the situation is different if the dive computer is also used as a wristwatch. Large and heavy dive computers are not suitable for this.

Mounting options for the dive computer?

Dive computers can be attached to the wrist or buoyancy compensator. In some cases, the same appliance is also available in both versions. Most divers choose one of the options based on personal preference.

Ease of use for dive computers?

Some dive computers are very simple and only have one or two buttons. This makes operation simple, but setting and navigating through the menu complicated.

It is important that the buttons are large enough so that the computer can be operated easily. If the dive computer has a lot of features, there are often several buttons so that you can easily switch through the menus.

Comfort of the dive computer?

As the dive computer is an important piece of equipment, you will carry it with you on every dive. This makes it all the more important that the dive computer strap fits comfortably and does not slip.

If the device is always worn over the wetsuit, it does not matter if the material is rough. If the computer is to be used as a replacement for a watch, make sure the strap is comfortable and not rough.

The right dive computer price?

Dive computers may not be cheap, but they make the sport much easier. Once you have a dive computer, you will never want to do without it again.

• Dive computer for beginners: Costs between 150 $ and 200 $.
• Dive computers for advanced and technical diving: You will have to dig deeper into your pocket for such dive computers. The price ranges from 500 $ to over 1000 $.

Quality features of good dive computers?

• Must be robust
• Flexible watch straps
• Scratch and impact resistant screen

A dive computer is one of the most important pieces of equipment. Don’t save money when buying and choose good products from reputable manufacturers.

» Scroll Up

Which dive computer is right for me?

This question cannot be answered categorically. It is important that the dive computer calculates and displays all important values, including depth, time, ascent speed, decompression stops and no-decompression time. The computer should also have an easy-to-read screen.

7 tips to help you make the right choice:

1. Level of diving experience?

   How much diving experience do you already have, are you a recreational diver or would you also like to do technical diving? You should ask yourself these questions, because technical divers need different dive computers than hobby divers. If you are interested in technical diving, it is worth buying a suitable computer now.

2. Budget?

   The offer is usually bigger than the wallet. If you set yourself a fixed budget, you can already narrow down the selection somewhat.

3. Good readability?

   Visibility can be poor underwater, but this should not be an obstacle to reading your dive computer. This is not a problem with new dive computers thanks to the lighting, but some older devices do not have this.

   When buying second-hand, pay particular attention to whether the dive computer has a light. If you wear contact lenses, it is advisable to buy a device with a large screen so that you can also read the values if one or both contact lenses are lost in the water.

4. Nitrox mode?

   Not every dive computer has a nitrox mode. If you would like to dive with nitrox in the future, you should pay attention to this when buying. Such dive computers work with nitrox or breathing air.

5. Interfaces available?

   For dive computers with a USB or Bluetooth interface, the data stored in the logbook can be transferred to a PC or smartphone. If the dive computer has air integration, you can see your oxygen consumption and work on it. If you haven’t thought about it yet, this is certainly a field that will interest you.

6. Integrated compass?

   Dive computers with a compass replace the analog compass. This means you don’t need an extra device, but can read off all the important values on your dive computer.

7. Replaceable batteries?

   A dive computer should always have replaceable batteries. In the best case, you can even replace them yourself.

» Scroll Up

Well-known brands and manufacturers

The best-known and most popular dive computer brands & manufacturers include:

• Suunto
• Scubapro
• Mares
• Aqualung
• Cressi
• Garmin
• Nemo

Consumer Reports or Öko Test have not yet published any test reports on dive computers. With the brands mentioned here, you can be sure of receiving a high-quality dive computer.

» Scroll Up

FAQ: Frequently asked questions and answers about dive computers

What is a dive computer?

The dive computer is used to calculate decompression times. It also measures other interesting and useful values for the diver. These can then be read in the logbook.

How do dive computers work?

Dive computers are equipped with various measuring devices. Based on the measured values, the computer uses an algorithm to calculate the no-decompression time and the need for decompression stops. Dive computers with an OLED display have an interface.

What types of dive computers are there?

Larger devices, also known as consoles, which are worn on the wrist or buoyancy compensator, and small dive computers in watch format.

What shape does a dive computer have?

Dive computers can be round, square, oval or in watch format.

How expensive are dive computers?

Dive computers are not necessarily cheap. Entry-level models are available from around 150 $. Advanced models can quickly cost over 1000 $.

Are there accessories for dive computers?

Some manufacturers offer transmitters (for air integration), bags or covers.

» Scroll Up

Conclusion: The most popular dive computers reviewed

The answer to the question of the right dive computer therefore depends on many factors. It often doesn’t have to be the most expensive device, but for ambitious diving beginners it is often worth investing in a computer that will meet their requirements for a long time.

If you are still diving with decompression tables or renting a dive computer, it’s time to get your own. Because once you have a dive computer, you won’t want to go back into the water without it.

» Scroll Up

Editor's note: The opinions expressed here are those of the author alone. The content has not been endorsed, reviewed, approved, or in any way financially supported by any advertiser. We only include products we believe to be useful. How we work

*Price includes VAT, plus shipping. Customer reviews, prices, delivery times and costs may change in the meantime. By linking to selected online shops and partners, we may receive a small affiliate commission. There are no additional costs for you. Note: BeyondSurfing is not responsible and is not liable for the content of external websites.