freedive STA vs ZenDepth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
freedive STA
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This is an app that helps with apnea training for freediving. - You can easily practice using three preset tables and personalized tables. - Provides vibrations and sound notification to assist with training. - Can track success records. - Training with Apple Watch
ZenDepth
Enhance your breath-holding capabilities with personalized training plans and guided exercises. Track progress, unlock techniques, and compete with friends in a visually immersive underwater environment.
- Adaptive training plans (CO2 & O2 tables)
- Guided stretching exercises
- 20+ breath-hold techniques
- Gamified milestones and badges
- Social leaderboards for friends
- Immersive underwater aesthetic
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Master your breath. Extend your limits. ZenDepth is a personalized apnea training app built for freedivers, spearfishers, surfers, and meditators who want to go further underwater. Set your baseline. Get a 12-session adaptive plan calibrated to your personal best. Track your progress through phases as your hold times grow. SMART TRAINING PLANS CO2 tables build your tolerance to high carbon dioxide. O2 tables train your body to use oxygen more efficiently. Every plan adapts to your current level and improves with you. GUIDED STRETCHING Expand your lung capacity and thoracic mobility with five science-backed stretching exercises — guided in real time with live cues. UNLOCK TECHNIQUES Master 20 breath-hold techniques progressively as you train — from Recovery Breathing to advanced Breath Packing. GAMIFIED MILESTONES Earn badges, conquer phases, and watch your guided streak grow. Training feels like progress, not a grind. TRAIN WITH FRIENDS Add friends by username and see how your personal bests stack up. A private leaderboard built for the freediving community. BEAUTIFUL BY DESIGN An underwater aesthetic that makes every session feel like a dive. Animated backgrounds, glass-morphic UI, and haptic feedback designed for focus and flow. ZenDepth is free to start. Unlock all training phases with a premium subscription after completing the first training phase. Terms of Use: https://zendepth.app/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: freedive STA at none against ZenDepth's 3. ZenDepth's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On price, device support and iOS requirement 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. ZenDepth sells 3 in-app purchases, starting at $3.99 per month. freedive STA asks for nothing beyond the download.
freedive STA ships an update every 2 weeks, ZenDepth daily. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | freedive STA | ZenDepth |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 30 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Stridelab LLC | Christos Voutsaras |
In-app purchases
freedive STA
No in-app purchases
ZenDepth
- Monthly$3.991 Month
- Annually$19.991 Year
- Lifetime$49.99
