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Mares Dive Computer #20 of 33 in Dive Computers

Mares Genius Dive Computer

The Mares Genius is a solid mid-range dive computer offering algorithm flexibility, a clear display, and modern app connectivity.

Mares Genius Dive Computer
Full specification 5 entries
DisplayMatrix LCD, 3.2 x 3.2 cm
BatteryRechargeable Li-ion, USB magnetic charging
Depth Rating120 meters (394 feet)
ConnectivityBluetooth 4.0
ModesAir, Nitrox, Trimix, Gauge, Freedive

At a glance

Mares Genius Dive Computer is a dive computer from Mares, rated 4.3 out of 5 and placed 20 of 33 in our dive computers shortlist. Its defining number is depth rating: 120 meters (394 feet). It scores hardest on build quality (73/100) and softest on packed weight (62/100). The clearest advantage divers report: dual decompression algorithm choice for flexibility.

What the dive computer actually gives you

01Bluetooth 4.0 data transfer to Mares DQUEST app
02RGBM Disclosure and Bühlmann ZHL-16C algorithm switching
03Compass with digital tilt-compensated display
04Freedive and Gauge modes in addition to Air/Nitrox/Trimix
05Rechargeable lithium battery via USB-magnetic cradle
06User-replaceable and rechargeable battery options
07Large matrix display with adjustable backlight

Where it wins and where it costs you

What works
Dual decompression algorithm choice for flexibilityFast Bluetooth sync with smartphone appBright, easy-to-read matrix display underwaterCompact wrist-mounted form factorRechargeable battery reduces long-term costIntuitive three-button interface
What it costs you
App connectivity can be occasionally unreliableNo wireless air integration with transmitterBattery life shorter than disposable cell competitorsMenu navigation has a learning curve for beginnersBulkier strap compared to minimalist computers
Our verdict

The Mares Genius is a solid mid-range dive computer offering algorithm flexibility, a clear display, and modern app connectivity. While it lacks wireless air integration and its battery life trails some rivals, its overall feature set and reliability make it a strong choice for recreational and technical divers alike.

Full review: Mares Genius Dive Computer

The Mares Genius stands as one of the most advanced dive computers in the Mares lineup, designed for divers who want precision, flexibility, and comfort on every dive. Built around the dual-algorithm system, it allows users to switch between the RGBM (Reduced Gradient Bubble Model) and Bühlmann ZHL-16C algorithms, giving both recreational and technical divers the ability to tailor their decompression calculations to their preferred diving style. The bright, easy-to-read color display uses matrix technology to present clear, high-contrast data even in low visibility or bright surface light, ensuring that critical information such as depth, no-decompression limits, and ascent rate is always legible at a glance.

Beyond its computational power, the Mares Genius offers wireless air integration, allowing divers to monitor tank pressure directly on the wrist without the need for a console gauge or hose. This feature streamlines gear setup and reduces drag in the water, while also enhancing safety by keeping essential data consolidated in one place. The computer supports multiple diving modes, including air, nitrox, gauge, and freediving, making it a versatile tool for divers who move between different types of underwater activities. Its digital compass and customizable interface further add to its functionality, letting users navigate dive sites confidently while adjusting settings to match personal preferences or specific dive plans.

Durability and user-friendly operation are also central to the Mares Genius design. The device features an intuitive button-based navigation system that remains simple to operate even while wearing thick gloves, and its rechargeable battery eliminates the hassle of manual battery replacement, a common concern in more traditional dive computers. Its rugged construction is built to withstand the demanding conditions of open water diving, from cold currents to sandy wrecks, while maintaining reliable performance dive after dive. Altogether, the Mares Genius represents a thoughtful blend of cutting-edge technology and practical design, making it a strong choice for divers who want a dependable, feature-rich computer to support both leisurely reef dives and more technical underwater explorations.

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