Best Freediving Computer in 2025 - Dive Watches with Apnea Mode
Our Verdict
A dedicated freediving computer tracks depth, dive time, surface interval, and session history - data that matters for training progression and safety. The Suunto D4f is the dedicated standard; for divers who want a computer that doubles as an everyday watch, the Garmin Descent Mk2 covers both uses.
A freediving computer does something a regular watch cannot: it tracks the metrics that actually matter for freediving training and safety.
At minimum, a freediving computer shows you current depth, maximum depth reached, dive time, and surface interval. More advanced units log entire sessions, calculate averages, and alert you when surface intervals are too short.
Freediving Computer vs Dive Watch
A dive watch shows you depth and time. A freediving computer shows you depth, time, surface interval, session totals, personal records, and alerts. For casual recreational diving, a depth gauge watch is enough. For anyone doing structured training, pushing depth, or wanting a log of their sessions, a computer is worth the upgrade.
If you’re still deciding between the two entry points: Best Freediving Watch and Depth Gauge Watch Guide.
What the Metrics Mean
Surface interval - time between dives. Most computers display this prominently because it’s a direct safety metric. If your surface interval is too short, a computer makes it visible. Target: surface time at least twice the dive time.
Max depth log - personal record tracking helps with progressive depth training. Useful to review after sessions and track progress over weeks.
Dive count - session dive count helps you monitor total session workload. Many experienced divers limit themselves to a certain number of dives in intensive training to control nitrogen accumulation risk.
Our top pick for most freedivers is the Suunto D4f - purpose-built, accurate, comfortable, and without the scuba overhead that most freedivers don’t need.
Our Top Picks
Best Dedicated Freediving Computer
Suunto D4f
Suunto
~$350
- Type
- Dedicated freediving computer
- Max depth rating
- 100m
- Display
- Digital LCD
- Battery
- Replaceable CR2450
- Best for
- Serious recreational / training
The D4f is purpose-built for freediving - it does not have scuba mode, which means it's optimized entirely for apnea tracking. Displays current depth, max depth, dive time, surface interval, and personal records. Compact and comfortable for pool and open water use. The standard choice for serious recreational freedivers who want dedicated hardware.
- Purpose-built for freediving - no scuba complexity
- Tracks depth, dive time, surface interval, personal bests
- Compact - not bulky on the wrist
- Long battery life
- Water resistant to 100m
- No scuba mode if you dive both disciplines
- Basic display - no color screen
- Sync/data transfer requires separate accessory
Affiliate link - no extra cost to you
Best Budget Entry
Cressi Leonardo
Cressi
~$190
- Type
- Multi-mode dive computer
- Max depth rating
- 150m
- Display
- Large LCD
- Battery
- Rechargeable
- Best for
- Budget buyers, scuba/freediving mix
The Leonardo is a multi-mode dive computer with a freediving/gauge mode that tracks depth and time. It's primarily a scuba computer, but the gauge mode works for freediving use without activating decompression calculations. Good choice for divers who want a computer at a lower price point and may also do occasional scuba.
- Low price point
- Gauge/freediving mode available
- Works for both scuba and freediving
- Large, readable display
- Primarily a scuba computer - freediving mode is secondary
- Bulkier than dedicated freediving computers
- Less refined freediving metrics than dedicated units
Affiliate link - no extra cost to you
Best Mid-Range
Mares Puck Pro+
Mares
~$230
- Type
- Multi-mode with apnea mode
- Max depth rating
- 150m
- Display
- Large LCD
- Battery
- Replaceable
- Best for
- Intermediate freedivers
The Puck Pro+ has a dedicated apnea mode that tracks depth, time, and surface intervals across a session. Large, easy-to-read display and durable build. A reliable mid-range option for divers who want more than budget but don't need the full metrics of the Suunto D4f.
- Dedicated apnea mode with full metric tracking
- Large display readable underwater
- Durable build
- Good battery life
- Larger profile than some competitors
- PC interface required for full data download
Affiliate link - no extra cost to you
Best Premium - Everyday Watch + Dive Computer
Garmin Descent Mk2i
Garmin
~$1000
- Type
- Smartwatch + dive computer
- Max depth rating
- 100m
- Display
- Color touchscreen
- Battery
- Rechargeable, multi-day
- Best for
- Divers wanting one premium device
The Descent Mk2i is a full-featured smartwatch that also functions as a capable dive computer with an apnea/freediving mode. If you want one wrist device that tracks fitness, daily activity, and dive sessions, it's the premium choice. The freediving metrics are excellent. The price is high, but it replaces both a dive computer and a smartwatch.
- Full smartwatch capabilities + dive computer
- Excellent freediving metrics and app integration
- Premium build quality
- Color display
- Very high price
- More features than most freedivers need
- Larger/heavier than dedicated freediving units
Affiliate link - no extra cost to you
Frequently Asked Questions
Do I need a freediving computer as a beginner?
What is apnea mode on a dive computer?
Can I use a scuba dive computer for freediving?
What depth should a freediving computer be rated to?
Marcus Webb
Freediving Instructor & Gear Reviewer
Marcus Webb has been freediving for over nine years, training in Dahab, the Philippines, and along the California coast. He holds a PADI Advanced Freediver certification and AIDA 2* and has completed over 1,200 logged dives across static apnea, dynamic, and depth disciplines. He reviews every piece of gear he recommends from personal use — he does not accept payment for positive coverage.