Comparison

TimerWod vs AI Apnea Trainer

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

TimerWod

Features
Read full description

TimerWod-Workout is a simple timer app for all common functional fitness workouts: AMRAP, For Time, EMOM and Tabata. Tap on one of the workouts, configure it and start the training! Features: - Clear display - Sound support - Timer for "AMRAP" workouts - Timer for "EMOM" workouts - Timer for "For Time" workouts - Timer for "Tabata" workouts - Count button to count your rounds during the workout

About

AI Apnea Trainer

Features
Read full description

For freedivers, spearfishermen, and all athletes who want to control their autonomic nervous system to enhance performance. AI Apnea Trainer uses the practical disciplines of freediving training to transform your daily practice into a steady, visualized journey of growth. [ Key Features ] โ–  Intuitive Dashboard & Modern Navigation (New) - Completely redesigned Home dashboard and Logbook. Review your daily progress and performance trends more beautifully and intuitively than ever. โ–  Dry Apnea Training Comprehensive support for dry training, from planning and execution to AI-driven menu updates. - Unlimited Table Creation (O2 / CO2, NC, etc.): Create and save unlimited custom tables tailored to your goals, building an unshakeable training plan. - MAX HOLD Mode: Test your personal best and understand your current limits. Records and supports the full breath-hold cycle from Breathe-up to Recovery. - NC Mode (No Contraction Mode): Build CO2 tolerance through repeated sub-maximal holds that stop before the contraction threshold. Accumulating rounds without contractions safely adapts your body to CO2 and gradually extends your pre-contraction time. - AI Coaching: Analyzes your session history and perceived exertion to suggest the optimal next training load โ€” fostering steady growth without rushing your progress. - Absolute Immersion with Audio Cues: Clear audio leads your session so you never need to look at the screen โ€” supporting fully eyes-closed training with smart background playback. - Live Activities: Track your current phase and remaining time in real-time right from your Lock Screen or Dynamic Island. - Apple Watch Sync & Haptic Guide: Syncs in real-time with your iPhone to record heart rate during sessions. Wrist vibrations notify you of phase transitions, so you can stay completely relaxed and immersed. โ–  Ocean Logs & Advanced Visualization - Ocean Log Import: Supports .fit, .uddf, and .xml logs. Import directly from your dive computer apps via Share Sheet for seamless visualization. - Analytics & Dive Comparison: Profile charts for depth, heart rate, and descent velocity. Compare past dives with marine conditions (weather, tides) to plan your next session. - Dive Bookmarks: Bookmark important dives or personal bests for instant access. - AI Coach Dive Analysis: After each logged dive, the AI Coach automatically generates a personalized coaching comment โ€” highlighting what went well and flagging any risk points in your profile. - Dive Stamp & Social Share: Create stylish dive stamp images from your log data and share them directly to Instagram Stories or any social platform. Customize style, color, and discipline to make every dive memorable. [ Who is this for? ] - Freedivers looking to extend their dive time and build mental discipline. - Spearfishermen wanting to improve silence and efficiency underwater. - Athletes mastering autonomic nervous system control through breathing techniques. - Anyone who wants to make meditation and breath-hold training an unshakeable habit. [ Important Safety Warnings ] - Freediving and breath-hold training carry risks such as blackouts (loss of consciousness). - Never practice alone in the water: Always have a buddy when practicing breath-holding at the surface. - Ensure a safe environment: When doing dry training, always practice sitting or lying down on a soft surface like a sofa or bed to prevent falls and injuries. - Take professional courses: This app is a training tool and NOT a substitute for proper education. We strongly recommend seeking instruction from knowledgeable and experienced freedivers. - Never push beyond your limits. If you feel dizzy or unwell, stop immediately. By downloading this app, you acknowledge and agree that you assume full responsibility for your own safety and health during training. Your deep self-understanding expands your potential. Elevate your daily routine to a deeper, quieter dimension with AI Apnea Trainer.

Screenshots

TimerWod4 screens
AI Apnea Trainer4 screens

Verdict

The call

The clearest difference is update cadence: AI Apnea Trainer at every 11 days against TimerWod's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TimerWod ships an update every 2 months, AI Apnea Trainer every 11 days. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

Scorecard1 real difference ยท 5 level
TimerWod versus AI Apnea Trainer: the parameters behind the verdict, then further details
ParameterTimerWodAI Apnea Trainer
PriceFreeFree
Update frequencyEvery 2 monthsEvery 11 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS17.017.0
Further details โ€” not scored
Size2 MB18 MB
Age rating4+4+
DeveloperJuan Trinidad Jimenez Armestohayato yasuhisa

In-app purchases

None

TimerWod

No in-app purchases

None

AI Apnea Trainer

No in-app purchases

Questions

Is TimerWod free?
TimerWod is free to download, with no in-app purchases.
Is AI Apnea Trainer free?
AI Apnea Trainer is free to download, with no in-app purchases.
Do TimerWod or AI Apnea Trainer have ads?
Neither TimerWod nor AI Apnea Trainer shows ads.
Which is updated more often, TimerWod or AI Apnea Trainer?
TimerWod ships an update every 2 months, and AI Apnea Trainer every 11 days. Most recently, TimerWod was updated on September 8, 2026 and AI Apnea Trainer on September 10, 2026.

Other comparisons