Our Pick of the Best Scuba Dive Computers for 2018

Want to buy your first dive computer, or ready to upgrade to one with more features?

Below is our summary of the best selling dive computers currently available based on their price and functionality.

Products don't become best sellers unless they're good value. The dive computers on the list below are all good quality and reliable.

We're looking at wrist mounted dive computers only - no console dive computers have been included here.

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Click on the line below to go to the section your most interested in, or keep scrolling to see the entire list.

Best Beginner & Recreational Dive Computers

Most divers will start looking to buy their first dive computer shortly after completing their Open Water diver certificate. It's generally the easiest to go with whatever dive computer you used during your training. This is common and understandable as it's the first one you will have gained some familiarity with.

It can be a bit daunting selecting a new dive computer shortly after completing your OW training. A lot of new divers are unsure how far they're going to take their diving.

For the majority of new divers, entry level dive computers are the best place to start.

Even if you think you'll move towards a more technical style of diving, the entry level dive computers hold their value well. These are always in demand if you decide to upgrade later on.

If you do decide to upgrade later on, these are reliable dive computers that will serve you well as a back-up dive computer. One thing worth remembering when considering a backup dive computer, is to make sure you go with the same algorithm so they match. 


How does the Suunto Zoop Novo, Cressi Giotto, and Oceanic Geo 2.0 compare?

Suunto Zoop Novo
zoop novo
  • Air, Nitrox, FREE & Gauge
  • 4-button menu
  • Check
    140 hours logbook memory
  • Check
    RGBM Algorithm
  • No Gas Switching
  • Download cable at extra cost
  • Depth to 80 meters
  • Approx $320 - $350 USD
Cressi Giotto Red Wrist Mounted Dive Computer
Oceanic Geo 2.0 Air/Nitrox Dive Computer
oceanic geo 2.0
  • Watch, Air & Nitrox, FREE & Gauge
  • 4 - Button Menu
  • Check
    24 dive logbook memory
  • Dual Algorithm Buhlmann ZHL-16c
  • Gas Switching for 2 gases
  • Download cable at extra cost
  • Check
    Depth to 100 meters for Air/Nitrox & 120 meters for Gauge
  • Approx $270-$350 USD

Best Beginner & Recreational Dive Computers with Bluetooth

How do the Deepblu COSMIQ+ and the Aqualung i300C Compare?

Deepblu Cosmiq+ Dive Computer Smartphone App
AquaLung i300 C Wrist Dive Computer Blue Black
aqua lung i300c
  • 4 Modes - Air, Nitrox, FREE & Gauge
  • 2 - Button Menu
  • Check
    User-changeable battery
  • Check
    Bluetooth connectivity with smartphones
  • Pelagic Z+ Algorithm  (Based on Bühlmann ZHL-16C algorithm)
  • Gas Switching for 3 gases
  • Check
    Depth to 100 meters
  • Approx $290 - $310 USD

Best Technical Dive Computer

One of the great things about both ends of the dive computer spectrum, is that the entry level and the high end dive computers are always in demand. These generally hold their resale value really well. This is handy to know if you're thinking of buying a dive computer at this end of the price spectrum, but aren't sure if it's 'too much' dive computer for you.

Shearwater Perdix AI with Bluetooth

Shearwater Perdix AI Dive Computer with Air Transmitter

The Shearwater Perdix AI is by far the best dive computer for Technical divers and Recreational divers alike. If you're a recreational diver and money is no object, then this is the dive computer for you. This is a top of the range of dive computer.

Shearwater Perdix AI air intergration bluetooth dive computer
  • Bluetooth connectivity
  • Wireless Air Integration
  • Integrated Compass
  • Based on Bühlmann ZHL-16C algorithm
  • 2-button menu & user changeable batteries
  • Around $1300 USD including Air Transmitter

Everyone who buys the Shearwater Perdix AI raves about this being the best purchase they've made. You simply can't go wrong with this dive computer.

Shearwater Teric Dive Computer

Best Watch Sized Dive Computer with Air Integration

There's usually a bit of a compromise when it comes to watch-sized dive computers. These dive computers aren't big and bulky and most can easily pass as an everyday watch during vacation. To fit into the watch-size category though, the display is smaller so these may be more suited to younger eyes.

Being 'watch sized' though, also means they're more expensive than other wrist mounted dive computers. If you're ok with this extra expense, then the dive computers listed below might be just what you're looking for. 

These watch-sized dive computers have more features than their entry-level counterparts, plus the option for wireless air integration.

Shearwater Teric with Bluetooth

Shearwater Research Teric Dive Computer Profile
  • Bluetooth connectivity
  • Wireless Air Integration for up to 2 transmitters
  • Integrated 3D Compass
  • Gases: Nitrox and Trimix 
  • Based on Bühlmann ZHL-16C algorithm
  • 4-button menu & rechargeable battery
  • Around $1445 USD including Air Transmitter

Aqua Lung i450t Dive Computer

Aqua Lung i450t Hoseless Air Integrated Wrist Watch Dive Computer
  • Bluetooth connectivity
  • Wireless Air Integration
  • Integrated 3D Compass
  • Multiple gas capability - up to 3 Nitrox mixes (with 3 transmitters), each with individual PO2 set points.
  • Automatic altitude adjustment
  • PZ+ algorithm (Based on Bühlmann ZHL-16C algorithm)
  • 4-button menu & user chargeable battery
  • Around $1200 USD including Air Transmitter

Suunto D4i Novo & D6i Novo

Suunto has released new colors for the D4i Novo. The D6i Novo now comes with a range of Zulu straps which really appeals to a lot of people. I personally like the look of the D6i Novo with a Zulu strap. These really do hit the mark when it comes to having both the functionality and the look of an everyday watch.

Have a look at the table below to see how the Suunto D4i Novo compares with the Suunto D6i. These are both great dive watches.

  • Choose yourdive computer

  • WeightWeight
  • USB IncludedUSB Included
  • Band TypeBand Type
  • ButtonsButtons
  • Color ChoicesColor Choices
  • DisplayDisplay
  • CasingCasing
  • CompassCompass
  • Maximum DepthMaximum Depth
  • GasGas
  • Price ApproxPrice Approx
  • Suunto

  • D4i

  • Weight3 oz / 85 g
  • USB Included
  • Band TypeElastomer
  • ButtonsPlastic
  • Color Choices
  • DisplayMineral Crystal
  • CasingComposite
  • Compass
  • Maximum Depth100 meters
  • Gas1 Gas
  • Price ApproxUnder $500
  • Suunto

  • D4i Novo

  • Weight3.25 oz / 92 g
  • USB Included
  • Band TypeSilicone
  • ButtonsMetal
  • Color Choices
  • DisplayMineral Crystal
  • CasingComposite
  • Compass
  • Maximum Depth100 meters
  • Gas1 Gas
  • Price ApproxUnder $700
  • Suunto

  • D6i Novo

  • Weight3.98 oz / 113 g
  • USB Included
  • Band TypeChoices
  • ButtonsMetal
  • Color Choices
  • DisplaySapphire Crystal
  • CasingSteel
  • Compass
  • Maximum Depth150 meters
  • Gas3 Gases
  • Price Approx$950 - $1300

Suunto D4i Novo

Suunto D4i Novo Dive Computer - Ocean

Suunto D4i Novo Dive Computer - Ocean

Click the button below to see the current price and any Discounts available for Suunto D4i Novo on Amazon.

Suunto D6i Novo

Suunto Dive Computer D6i Zulu Strap

Suunto Dive Computer D6i Zulu Strap

Click the button below to see the current price and any Discounts available for Suunto D4i Novo on Amazon.

Below is a video showing how easy it is to calibrate the Compass on the Suunto D6i.

Chief Editor & Author - Sharon Swanson

Reviewed by Terence Moore  PADI MSDT 101658

Since taking up Scuba diving in 1983, Terry Moore has been diving at some of the world's greatest dive spots, and to date has over 3,000 dives under his belt. As well as being a PADI Diving Instructor, Terry has worked in the offshore live-aboard diving industry teaching Underwater Photography and other specialty courses. 


Terry has dived off the island of Tortola in the British Virgin Islands, Australia, Papua New Guinea, Fiji, Palau, Truk Lagoon, Belize C.A. and numerous places throughout the Caribbean. He's pretty much dived wherever there was water deep enough to dive in.


You can visit Terry's website at: ​www.padidivepro.com


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