Freediving Breath Trainer vs Stealth Training System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Freediving Breath Trainer
This app helps you improve your breath-holding capabilities for freediving. It offers personalized training plans based on an initial breath test and tracks your progress to help you achieve longer underwater times.
- Personalized training plans
- Initial breath test
- Progress tracking
- Extended breath hold times
- Enhanced breath control
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Freediving Breath Trainer is a structured dry breath-hold trainer for beginners. Start with a comfortable baseline: hold only while relaxed, and stop as soon as you need to breathe. The app uses that baseline to generate a sequence of guided CO₂ and O₂ sessions using fixed training-table values. WHAT YOU GET • A completion-driven 28-day training cadence • 21 guided sessions with clear voice and timer cues • 24- or 48-hour recovery spacing after completed sessions • Progress tracking and personal-best history • An optional comfortable retest after the final session • A new cycle generated from your latest baseline FREE ACCESS Onboarding, the comfortable baseline, personal-best history, and the first guided session are free. PRO ACCESS Continue with the remaining guided sessions using either the annual or monthly Pro plan. Eligible annual subscribers can try Pro for seven days. Pricing and availability are shown by Apple before purchase. IMPORTANT SAFETY INFORMATION This app is for dry training only. Never use it in water. Do not hyperventilate. Train only while sitting or lying down somewhere safe, and stop immediately for discomfort, dizziness, or as soon as you need to breathe. Freediving Breath Trainer is not medical advice, a medically validated programme, or certified freediving instruction. It does not guarantee an outcome. Subscriptions renew automatically unless cancelled through Apple. Restore previously purchased access from Settings or the paywall.
Stealth Training System
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Stealth Training System (STS) puts your training plan in your pocket. Follow your coach-built programme, log every set, and track your progress, online or off. TODAY'S SESSION, ALWAYS READY See exactly what to do today: sets, reps, weights, times and RPE. Tick it off as you go. LOG EVERYTHING, FAST A quick, offline-first logger for every set, WOD and session. Rest and workout timers keep you moving, and everything syncs when you're back online. TRACK YOUR BODY Log your weight, body-fat, measurements and progress photos, and see how you're changing over time. SEE YOUR PROGRESS Personal bests, streaks, weekly recaps and per-movement trends turn your training into a story you can actually see. TRAIN WITH YOUR COACH Your coach builds and adjusts your plan and can see how you're getting on, so your programme stays right for you. Whether you train in a gym or at home, STS keeps working, even offline, so you can log anywhere. Training plans are managed at assassingoods.com.
Screenshots
Verdict
The clearest difference is in-app purchases: Stealth Training System at none against Freediving Breath Trainer's 4. Stealth Training System also leads on iOS requirement (15.0 vs 17). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Freediving Breath Trainer sells 3 in-app purchases, starting at $3.49 per month. Stealth Training System asks for nothing beyond the download.
Freediving Breath Trainer ships an update every 9 days, Stealth Training System fortnightly. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | Freediving Breath Trainer | Stealth Training System |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17 | 15.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Aaron Rockett | Michael Walters |
In-app purchases
Freediving Breath Trainer
- Pro$3.491 Month
- Pro$14.991 Year
- Pro2 variants$32.99
Stealth Training System
No in-app purchases
Questions
Is Freediving Breath Trainer free?
Is Stealth Training System free?
Do Freediving Breath Trainer or Stealth Training System have ads?
Which is updated more often, Freediving Breath Trainer or Stealth Training System?
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