| Time to dive digital |

In the search for the best diver computer for beginners or even amongst more intermediate water-junkies, it is rare to find an affordable dive computer that doubles with as much capability as Deepblu’s new COSMIQ+. Boasting a sleek, bright face and a suite of technical capacities, this bluetooth dive computer is revolutionizing the way divers interact with not only their tech but also the dive community. Beyond the device, the Deepblu app allows divers from around the world to share their experiences complete with Bluetooth-enabled dive logs, geo-tagging and dive photo synchronization. To help you decide if this is the right dive computer for you, we’ve had our expert Kate comprehensively review the Deepblu COSMIQ+ below.

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When you order a COSMIQ+ computer, you will receive the following:

  • COSMIQ+ Dive Computer
  • 2 Ballistic Nylon-Weave Wrist Straps
  • Magnetic USB Charging Cable
  • 2 Anti-Glare Screen Protectors
  • Bungee Cord for Versatile Attachment Options
  • Hard Clamshell Carrying Case
  • Quick-Start Instruction Guide
  • 2-Year Warranty on Included Items

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COSMIQ+’s physical design is elegant, with an array of color options, making sure that divers get the tech they need with the customization they want.

BODY: The COSMIQ+’s 81-gram design keeps things sleek and light with a flat-rectangle shape with smooth-graded edges. The dive console screen is 2.2-inches, with a bright, colored, high-contrast LCD display with pixel-less EBTN technology.

USE: It has only 2 buttons for easy navigation between modes and adjustments. The computer runs on a rechargeable lithium-ion battery. Deepblu places the COSMIQ+ battery life between 7-12 continuous dive hours. It takes 2 hours to fully recharge.

AESTHETIC: The dive comp comes in five color options: Cosmic Black (black face, black/green camo band), Lava Red (black face, red/red camo band), Lilac Purple (white face, purple/purple camo band), Steel Grey (white face, grey/grey camo band) and Ocean Blue (white face, blue/blue camo band).

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Overall Rating

4.8  /5

Design

4.9

Functionality

4.7

Ease of use

4.8

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Let’s get into the good stuff — the tech you’ll be using to dive. You may even have found your next best freediving watch or backup dive computer.

MODES

The COSMIQ+ has three dive modes — scuba standard air, scuba nitrox, and freedive — as well as a bottom timer mode which a diver can adjust during a dive. Here are the specs for each, which the COSMIQ+ displays on a single bright screen for easy reading:

SCUBA

  • Ascent rate
  • Ceiling depth
  • Current depth
  • Current time
  • Deepest depth
  • Dive time
  • No-decompression limit
  • Stop time
  • Temperature
  • *Nitrox O2 adjustable between 21-40%

FREEDIVE

  • Current depth
  • Dive time
  • Temperature

BOTTOM TIMER

  • Average depth
  • Current depth
  • Current time
  • Dive time
  • Secondary dive time
  • temperature

ALGORITHM

The COSMIQ+ has three safety factor settings — conservative, normal and progressive. It uses the Bühlmann ZHL-16C decompression algorithm, which is a more conservative mathematical model designed to stay safely within deco limits.

DIVE PLANNER

The COSMIQ+ has a dive planner which allows divers to plan out their anticipated dive profiles in advance to check residual nitrogen levels and adjust before diving. The dive plan is shown onscreen pre-dive.

STORAGE

The computer can store up to 25 dives. Once that number is exceeded, the additional dive records will overwrite the oldest log.

BLUETOOTH

Possibly the coolest part of the COSMIQ+, its Bluetooth wireless connectivity allows divers to upload dive information and create virtual dive logs. More on this in its own dedicated section below.

UPGRADES

The COSMIQ+ features free over-the-air (OTA) firmware upgrades. Put simply, this means you don’t have to do anything extra to keep your device up-to-date. It does it automatically whenever an update is available. For example, early adopters woke up one morning to a shiny new altitude diving feature which had been added for free overnight. The device will get better and better over time, as new DeepBlu developments come out.

The COSMIQ+ is designed to be used alongside the Deepblu app (Available for both IOS and ANDROID). Amongst many great features, two in the app stand out: the virtual logbook and the global dive community.

VIRTUAL LOGBOOK

When you sync your dive computer to the app, you can upload recent dive info, selecting your geo-tag and modifying aspects such as air mix, start/end tank pressure, suit-type, and thickness. You can also add dive notes. Even better, the geo-tagging allows you to see other dive sites nearby that you may not know about. Also, when you upload any dive photos, the app can sync the timestamp to your dive log, indicating where in your dive profile each image was captured. Pretty cool!

GLOBAL DIVE COMMUNITY

The app’s community UI is set up similar to a Facebook timeline. It scrolls and is intuitive to navigate for anyone who has used Facebook. Within the community, you can join groups to find buddies, see dive sites, scroll images, read diving info and search through gear specs. It is truly a social media platform designed for divers. You can even join the Deepblu community if you don’t have a computer.

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Now that you’ve heard all about the package, physical design, and tech basics, it’s time to see how the COSMIQ+ actually performs in the water. Here’s what our research and experience show, each aspect which may appeal (or not), depending on your dive style:

DISPLAY

The sleek, minimal face display is especially bright, with it clearly winning out over other similar-priced competitors for readability, especially in low visibility situations or settings where you may not want to flash around your dive light like night dives, wrecks, and caves. In fact, with this display, you will probably never need to shine your dive light at it at all. Plus, the brightness level can be adjusted in-dive to suit ambient light settings.

READABILITY

For many divers, the bright, clean lines of the font will be easy to read without a second glance. However, there are some instances — like the dive time and safety stop — where the display is in smaller letters, which may be difficult for those with imperfect eyesight to read. Something else to keep in mind is that the face does catch a bit of glare if in direct sun. This means that closer to the surface or pre-dive, you may need to use your hand to shade the device in order to read it.

USABILITY

When diving with a computer, ease of use is a big deal. Between the simple display and the 2-button navigation system, the COSMIQ+ is an extremely easy device to use, whether or not you’re wearing gloves. It also offers in-dive adjustments, so a diver can update the computer as a dive may change.

BATTERY LIFE

Tested battery life is between 6-7 hours (with the computer in sleep mode between dives). This means that after a few days of diving, you will need to recharge the computer. This only becomes a problem if you are a diver who may not plan ahead before dives or may be likely to forget to charge the computer. It also poses a potential problem for deep, technical or off-grid divers, who may dive for extended lengths of time or not have access to electricity.

ALGORITHM

The Bühlmann ZHL-16C decompression algorithm is quite conservative. This means that the COSMIQ+ scuba diving calculator will keep you safely within bounds, but also set off alarms if you dive closer to the limits. For example, if you dive too close to deco limits, then the screen will light up with a warning, minimizing your dive specs to a smaller font. However, this would not be a concern for conservative or more recreational divers.

DIVE CAPACITY

The COSMIQ+ has a 25-dive log memory. For most recreational divers who dive less frequently or plan to upload their dive information via the Deepblu app semi-regularly, that 25-dive limit won’t be a problem. However, it may pose a problem for professional divers who log high numbers of dives or divers who may not want to semi-regularly upload their logs.

BLUETOOTH CONNECTIVITY

One of the best aspects of the COSMIQ+ is its Bluetooth connectivity. Not only does it enable the virtual logbook with geo-tagging and photo synchronization, but it also connects divers to the Deepblu app global dive community. Not to mention, the free OTA firmware upgrades keep the device up-to-date without any extra effort. The COSMIQ+ dive computer with transmitter offers a chance for a diver to connect to a community greater than the device. Everything about the Bluetooth connectivity is awesome — as long as you can navigate apps.

PRICE

Check the latest price for the COSMIQ+ model. Compared against other dive watches at that price point, the COSMIQ+ is one of the best dive computers in terms of design, features and app capabilities.

The COSMIQ+ is an excellent choice for divers looking for an affordable wrist computer option without losing out on technical capabilities. Ask yourself: What is a dive computer that meets my needs? Once you have an idea of what you need, here are some specifics to help you decide if the COSMIQ+ is the right choice for your dive style:

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PROBABLY FOR YOU
  • Recreational diver
  • Conservative diver
  • Night, cave, wreck diver
  • Murky water diver
  • Diver looking for a bright display
  • Diver looking for affordability
  • Diver looking for free device upgrades
  • Diver looking for easy navigation
  • Diver who is good at pre/post-dive prep (uploading dives, charging)
  • Diver who is app savvy (uploading/modifying virtual dive log)
  • Diver looking to join a global dive community (find buddies, dive sites, etc.)
PROBABLY NOT FOR YOU
  • Close to deco-limits diver
  • Deep, technical or off-grid diver
  • Diver who can’t read small print
  • Diver who can’t stand surface glare
  • Diver who forgets pre/post-dive prep (uploading dives, charging)
  • Diver who cannot navigate mobile apps

REACH OUT

As always, we create our content with you, fellow divers, in mind. So, how’d we do? Did you find this informative? Did it help you make a decision? Did we miss anything? We’d love to hear from you below. Thanks for reading and we hope your next dive is a great one!

Kate Blake

Kate is a product expert, a degreed marine biologist, and a fearless traveler originally from the west coast of America. Kate has been a PADI-certified Divemaster for over 15 years, during which time she has trained hundreds of Advanced divers. She has been scuba diving in over 15 countries worldwide and specializes in cold water diving, night diving, and navigation. Her key interests include teaching English, marine conservation, sampling foreign cuisines, and cenote diving.

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