Dive computers are powerful data crunchers that monitor nearly every aspect of our dives — our guide will help you find one that matches how you dive.

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• Connects up to 70 divers

• App-based, personalized console

Aqwary’s ultrasound-based network — Smart Console computers connecting divers and a Link transponder — allows dozens of divers within a 100-meter range to share information including air supply and location.

$1,205 (Link sold separately); aqwary.com

• Precise recovery time displayed

• Stores 500 numbered dives

This wristwatch-style computer for freedivers provides dive time in minutes and seconds, current and maximum depth, the ratio between recovery time and freediving time and diver-programmable alarms.

$449.95; cressiusa.com

• Trimix-capable computer with OC, CCR and Gauge modes

• Wireless connection for up to six transmitters

The advanced TX2 is designed to handle anything from open-circuit to closed-circuit rebreather applications. It has memory up to 12 gases and uses the Buhlmann ZHL 16C algorithm found in most CCR controllers. It has a 3-axis digital compass and an operating depth of 400 feet.

$1,499; hollis.com

• Unique user interface has a “tap-based” navigation

• Display screen is easy to read at depth as well as in direct sunlight

The Omnix sets new safety standards by offering two independent batteries, creating a reserve power system with additional capacity in case of an emergency. Air integration with ultrasonic technology allows long-range monitoring of your air and up to nine other divers.

$1,299; liquivision.com

• Dual Algorithm™ lets you choose your decompression algorithm

• Off ers Air/Nitrox, Gauge, Free and Watch modes

The low-profile OCL is as at home in the office as it is 100 feet down. Loaded with features, its compact size looks great when worn as a watch. The easy-to-read screen is set in a smart-looking stainless steel case with an ultra-soft silicone wristband.

$600; oceanicworldwide.com

• Bluetooth links to your smart phone or tablet

• Dual Algorithm™ feature lets you match your algorithm to your buddy’s

With its very readable, high-contrast OLED color display, intuitive menu and long list of features and functions — including hoseless air integration and electronic compass — the VTX sets the bar in dive computer design.

$950 w/o transmitter; oceanicworldwide.com

• Now in black, “stone” and the military-inspired “stealth”

• Wireless air integration option displays air pressure while eliminating a hose

The new soft silicone strap is more comfortable than ever, and the sapphire crystal glass protecting the easy-to-read display features anti-fingerprint coating.

$1,174.95; suunto.com

• Monitor data in a text or graphical mode

• Features brushed stainless steel bezel and fiberglass-reinforced composite casing

Air-integrated Eon Steel, with its wide-angle color screen, lets you create your own dive modes and select from five data displays. It includes an onboard digital compass and trimix capability.

$1,439.95; suunto.com

• Simple, single-gas system is nitrox compatible to 50 percent

• Scuba, Freedive and Gauge modes, plus watch functions

The Aladin Sport computer is an appealing choice for new divers as well as veterans on a budget. It’s also a great dive tracker for freedivers, and an excellent backup computer for all divers.

$338, wrist-mount; $380, 2-gauge console; $440, 3-gauge console; scubapro.com

• PDIS calculates intermediate stops based on N2 loading your dives and breathing mixes

• Available as a wrist-mount or in a console

The brother of the Aladin Sport, the Tec 3G is targeted primarily to technical divers who want multi-gas and CCR functions, and also to rec divers looking to evolve in their sport.

$409, wrist-mount; $453, 2-gauge console; $509, 3-gauge console; scubapro.com

• Tilt compensating digital compass and wireless tank data transmission

• Scuba, Gauge, Freediving, CCR, Swim and Sport modes

SCUBAPRO’s Human Factor Diving™ factors heart rate, skin temperature and work load into decompression calculations; its cutting-edge biometric tracking lets you live your life in dive mode.

$1,510, complete; $1,024, wrist unit only; scubapro.com

• Three clearly marked buttons access into an intuitive menu

• New quick-disconnect hose provides added security when the hoses are not pressurized

Offering air integration, a digital compass, multi-gas capability and one of the easiest menus to navigate, the Sherwood Scuba Vision has everything a recreational diver wants and needs with a large, easy-to-read screen.

$920; sherwoodscuba.com

• Lengthens computer wrist strap

• Compatible with Cressi’s Drake and Newton computers

Cressi’s strap extender lets you securely attach your wrist computer for cold-water diving without needing an overly long strap for use in tropical waters. The strap works with Cressi’s Newton and Drake watch-style computers.

$14.50; cressiusa.com