Click a computer name to see the detailed data sheet of the computer, or select up to six computers by checking the select box on right side, and then hit the compare button at the top or the bottom of the page, to see a chart comparing over 100 functions and features of the selected computers.
freedive computers |
| brand | name | | highlights | downside | price | compare |
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| Immersion | Challenger |  | stylish compact wrist watch with analog mechanical clock, plentitude of functions, steinless steel case, wrist tilt activation of the backlight, clear display, fast ascent alarm, adjustable sleep timeout for saving battery life, 3 years warranty | no PC interface, no depth alarm, 1.5m activation depth (some versions possibly even 2.4m) too deep for pool use, seconds on the display are tiny, digits on the display not always easy to read due to the mechanical clock | ~450€
buy | |
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| Immersion | Prowler |  | stylish compact wrist watch with plentitude of functions, steinless steel case, wrist tilt activation of the backlight, fast ascent alarm, clear display, adjustable sleep timeout for saving battery life, 3 years warranty | no PC interface, no depth alarm, 1.5m activation depth (some versions possibly even 2.4m) too deep for pool use, day time not accessible in dive mode (incl. surface), seconds on the dispay are tiny, bottom time shown in format HR:MIN:sec instead of classical MIN:SEC, useless date shown on the display in dive mode | ~$400
buy | |
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| Liquivision | Xen |  | developed and built by a freediving champion, Eric Fattah, open platform, extensible firmware, excelent coloured active OLED display, no buttons - tapping used instead, sampling rate 0.25s, freediving deco! | No audible alarms!, IR data interface optional | ~$499
buy | |
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| Mares | Nemo Apneist |  | Stylish metallic wrist watch with quality case and face, multitude of alarms, 150m maximal depth, salt/fresh water calibration | The infrared interface apparently does not communicate with the standard IrDA available on many notebooks or through inexpensive USB stick but requires bying the expensive Mares IRIS interface, additionally some users report problems getting it to work | ~270€
buy | |
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| Oceanic Safety Systems | FRV Arm Unit |  | The control unit of the Recovery Vest, inflating the vest at given conditions (time / depth), big dot matrix display with large characters, graphic profiles and daily stats on display, huge memory, big accumulator capacity (30 8-hour dive days per charge), data cable included, rich statistics directly on the unit | size, only available with the recovery vest, no stop watch, alarms only optical, no alarms except safety ones, 1.8m activation depth relatively big | ~$2900 | |
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| Suunto | D3 |  | widely used popular freediving watch, lightweight compact size, recursive alarm, possibility to set bookmarks into the log during a dive, | reliability, buttons often blocking, breaking, and generally hard to push, plastic case and face get scratched easily, cheap look, max depth only 80m | - | |
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| Ocaris (Latitude) | Dive Time |  | very inexpensive, simple, fair value for little money | no surface time on display!, buttons too sensitive and irreliable, activation depth of 1.5m a little too big for pool use, | ~67€
buy | |
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| Ocaris (Latitude) | Diver Master II |  | inexpensive | no surface time display
no PC interface, activation depth 1.5m a bit too big for pool use | ~139€
buy | |
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| Omer (Latitude) | MIK 1 |  | inexpensive, good looking, fair value for little money | no surface time on display!
relatively deep activation depth - not good for pool use, no PC interface, battery changed by user voids warranty | ~179€
buy | |
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| Sporasub (Latitude) | SP1 |  | not too expensive, good looking, simple | relatively deep activation depth - not good for pool use, no PC interface, battery changed by user voids warranty, little functionality | ~230€
buy | |
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| Aeris (Pelagic) | F.10 v.2 |  | Multitude of alarms, Configurable activation depth! Stop-watch continues working in dive-mode, | Make sure you are not buying the v1 of F.10, which still had some firmaware and hardware problems! | ~$250
buy | |
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| Aeris (Pelagic) | F.10 |  | cooperation with the freediving champion Martin Stepanek, multitude of alarms, stop-watch continues working in dive-mode, | still some minor firmware bugs need to be addressed, make sure to get the latest hardware version, early 2010 versions have a static charge issues causing battery indicator problems, 1.2m activation depth rather big for pool training | ~$275
buy | |
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| Beuchat (Pelagic) | Mundial |  | multitude of alarms, rather complete functionality, stop-watch continues working in dive-mode, | 1.2m activation depth rather big for pool training, same minor bugs as at Aeris F.10 (Beuchat Mundial is an OEM clone of F.10) | ~270€
buy | |
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scuba computers with freedive mode |
| brand | name | | highlights | downside | price | compare |
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| Citizen | Cyber Aqualand Nx |  | stylish watch in a solid case, rechargeable accu, charger powered by regular AA batteries, | small display, separate models for metric and imperial units, discontinued - difficult to get spare parts (i.e. the accu), | ~$600 | |
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| Cressi | Edy II |  | 200m max depth, ascent speed indicator, light compact size, durable watch with good quality hardened glass face, long battery life even at regular use | no stop watch!
poor PC analysis software, depth alarm can't be set once the watch is wet, log not easy to navigate in, temperature not directly visible in freedive mode, doesn't show depth when the alarm goes off | ~$340
buy | |
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| Linde Werdelin | The Reef |  | big color dot-matrix display, huge memory, compass, WiFi and USB interface included, GPS ready | size, little details known, freedive firmware availability? | ~1500€ | |
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| Mares | Nemo Excel |  | stylish metallic wrist watch with quality case and face, multitude of alarms, 150m maximal depth, salt/fresh water calibration | min sampling rate in freedive mode 4s,
the infrared interface apparently does not communicate with the standard IrDA available on many notebooks or through inexpensive USB stick but requires bying the expensive Mares IRIS interface, additionally some users report problems getting it to work | ~$415
buy | |
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| Suunto | D4 |  | dot-matrix LCD display, diving profiles directly on the display, stylish metallic case, | workshop battery replacement, no recursive alarm, | ~$475
buy | |
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| Suunto | D4i |  | dot-matrix LCD display, diving profiles directly on the display, stylish metallic case, | workshop battery replacement, no recursive alarm | ~409€ | |
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| Suunto | D6i |  | dot-matrix LCD display, diving profiles directly on the display, stylish metallic case, compass, advanced scuba deco | workshop battery replacement, no recursive alarm | ~630€ | |
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| Suunto | Mosquito |  | practically the same as Suunto D3 with scuba functions in plus, light and small size | reliability, buttons often blocking, breaking, and generally hard to push, plastic case and face get scratched easily, cheap look, in contrary to D3 no recursive alarm, no countdown timer, and no interval depth alarm, exceeding 6 minutes underwater in freedive mode will set the watch into Error mode and render the watch unusable for 48 hours, max depth only 80m, min. sampling rate 2s | ~$400 | |
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| Suunto | Stinger |  | stylish metallic hausing, light compact size | freedive longer than 5 minutes switches the watch to the Gauge mode, and it is not possible to return to Free mode within 48 hours | ~$700 | |
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| Aeris (Pelagic) | Elite T3 |  | freedive deco, numerous alarms, cable included, wrist and retractor mount, works with scuba transmitters | no stopwatch!
no daily alarm, no dual time, no log/history accessible on the watch (PC only), too bulky as a watch, activation depth 1.5m a bit too big for pool use | ~$580
buy | |
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| Aeris (Pelagic) | Epic |  | freedive deco, numerous alarms, cable included, works with scuba transmitters | no log book accessible directly on the watch (PC only), alarm hard to hear?,, 1.5m activation depth rather big for pool training | ~$440
buy | |
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| Aeris (Pelagic) | Manta |  | complete functionality, plentitude of alarms, freedive deco, | no log book accessible directly on watch (PC only), alarm not loud, 1.5m activation depth rather big for pool training | ~$240
buy | |
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| Oceanic (Pelagic) | Atom 2.0 |  | freedive deco alarm, multitude of alarms, works with scuba transmitters, | no log book accessible directly on watch (PC only), alarm hard to hear? , 1.5m activation depth rather big for pool training | ~$465
buy | |
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| Oceanic (Pelagic) | GEO 2.0 |  | complete functionality, plentitude of alarms, freedive deco, | no log book accessible directly on watch (PC only), 1.5m activation depth rather big for pool training | ~$400
buy | |
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| Oceanic (Pelagic) | GEO |  | complete functionality, plentitude of alarms, freedive deco, | alarm not loud, 1.5m activation depth rather big | ~$300
buy | |
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| Oceanic (Pelagic) | OC1 |  | freedive deco alarms, user upgradable firmware, 200m max depth, multitude of alarms, dot-matrix LCD dosplay, compass, works with scuba transmitters, data cable included, 1MB memory, stylish titanium case | logs of freedive history not accessible on the display (PC only), , 1.5m activation depth rather big for pool training | ~$1300
buy | |
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| Oceanic (Pelagic) | VEO 2.0 |  | freedive deco alarm, multitude of alarms, | no stopwatch!
no daily alarm, no dual time, no log/history accessible on the watch (PC only), too bulky as a wrist watch, 1.5m activation depth rather big for pool training | ~$265
buy | |
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| Oceanic (Pelagic) | VEO 3.0 |  | freedive deco alarm, multitude of alarms, | no stopwatch!
no daily alarm, no dual time, no log/history accessible on the watch (PC only), too bulky as a wrist watch, 1.5m activation depth rather big for pool training | ~$440
buy | |
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| Oceanic (Pelagic) | VT3 |  | freedive deco alarm, multitude of alarms, works with scuba transmitters, | no stopwatch!
no daily alarm, no dual time, no log/history accessible on the watch (PC only), too bulky as a wrist watch, 1.5m activation depth rather big for pool training | ~$550
buy | |
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| Tusa (Pelagic) | IQ-750 Element II |  | calculates Nitrogen saturation in freedive mode, multitude of alarms, | no stop watch
no log/history accessible on the watch (PC only), no daily alarm, puk format, activation depth 1.5m a bit too big for pool use | ~$390
buy | |
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| Tusa (Pelagic) | IQ-900 Zen |  | calculates Nitrogen saturation in freedive mode, multitude of alarms, stylish watch, inexpensive - good price/value ratio | no log/history accessible on the watch (PC only), activation depth 1.5m a bit too big for pool use | ~$390
buy | |
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| Tusa (Pelagic) | IQ-950 Zen Air |  | calculates Nitrogen saturation in freedive mode, multitude of alarms, stylish watch, inexpensive - good price/value ratio | no log/history accessible on the watch (PC only), activation depth 1.5m a bit too big for pool use | ~$550
buy | |
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| Uwatec (ScubaPro) | Aladin 2G |  | A very complete computer with multitude of alarms, standard infrared PC interface, advanced scuba deco functionality, detailed logs, Swiss-made, | not a stylish watch for a daily use | ~$425
buy | |
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| Uwatec (ScubaPro) | Meridian |  | Integrated heart rate monitor! A very complete computer with multitude of alarms, detailed logs, long battery life (+300 hrs of dives), Swiss-made, | official release only in 2012, PC interface and HR belt cost extra | ~400€
buy | |
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tech diving computers with freedive mode |
| brand | name | | highlights | downside | price | compare |
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| Heinrichs Weikamp | OSTC Mk2 |  | Open Source platform!!!, excellent OLED dot matrix color display, rechargeable, standard mini-USB cable, tech diving computer, wide OS support for dive manager | size, no stop watch (?), alarms?, sparse documentation | ~679€ | |
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| Liquivision | X1 |  | developed and buit by a freediving champion, Eric Fattah, open platform,extensible firmware, extension hardware modules, active OLED display, no buttons - tapping used instead, sampling rate 0.25s, very compact for its class, rechargeable batteries, data cable included, | not a stylish wrist watch for daily use, necessity to buy separate software - by default X1 comes as a barebone hardware device, alarm hard to hear (report from 2007 possibly fixed in newer versions), display excellent in dark conditions but hard to read in bright sunlight | ~$1750
buy | |
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| Oceanic (Pelagic) | DataMask HUD |  | built into a mask, display always visible, freedive deco, backlight adaptive to the ambient light, multitude of alarms | the mask is not a low volume type and not streanlined hence not well suitable for freediving, no stopwatch, no daily alarm, no dual time, , 1.5m activation depth rather big for pool training | ~$975
buy | |
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| Uwatec (ScubaPro) | Galileo Luna |  | optional heart rate monitor!!, large dot-matrix display, user upgradeable firmware, depth 330m, sampling rate each 0.25s, big memory, personal setting profiles, infrared PC interface, user repaceable screen, memory for emergency information, optional Internet connectivity to DAN's server (PDE study), battery life indicator | size | ~$700
buy | |
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| Uwatec (ScubaPro) | Galileo Sol |  | heart rate monitor!!, large dot-matrix display, user upgradeable firmware, depth 330m, sampling rate each 0.25s, big memory, personal setting profiles, infrared PC interface, user repaceable screen, memory for emergency information, battery life indicator | size | ~$1280
buy | |
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| Uwatec (ScubaPro) | Galileo Terra |  | optional heart rate monitor!!, large dot-matrix display, user upgradeable firmware, depth 330m, sampling rate each 0.25s, big memory, personal setting profiles, infrared PC interface, user repaceable screen, memory for emergency information, optional Internet connectivity to DAN's server (PDE study), battery life indicator | size, discontinued | ~$400
buy | |
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