Freediving Apnea Trainer
Freediving Apnea Trainer is a specialized apnea training app for freedivers and underwater hunters that generates O2 and CO2 tables on iOS.
The App DNA
What makes this app unique?
The app removes the manual effort of calculating breath-hold progression tables, providing a structured path for users to improve their stamina.
For Freedivers, underwater hunters, and yoga practitioners looking to improve apnea stamina and track physiological performance.
What does it look like?
Key features
Connects via Bluetooth to external heart rate and oxygen saturation sensors to log physiological data during apnea sessions.
Generates O2 and CO2 training tables based on the user's current maximum breath-hold time.
Provides audio and haptic cues for contraction timing and phase transitions during training.
How much does it cost?
The app is currently offered as a free tool with no visible subscription or IAP gates.
Velocity
Dormant developmentperformanceShow more...
The app has not received a release in over 22 months, indicating a complete cessation of development activity. The last available update was a minor maintenance release focused on bug fixes and background operation. Given the lack of updates since mid-2024, the app is classified as a zombie project with no evidence of ongoing support or feature development.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews mixed. Users appreciate adaptable training tables that adjust to individual breath-hold progress keep users engaged during sessions and integration with wearable devices provides a convenient way to track pulse and oxygen saturation levels.
How are ratings & reviews evolving?
What users say, by theme
- Adaptable training tables that adjust to individual breath-hold progress keep users engaged during sessions
- Integration with wearable devices provides a convenient way to track pulse and oxygen saturation levels
- Voice-guided countdowns allow users to maintain focus on breathing exercises without needing to watch the screen
- Timer inaccuracies and random freezing during breathing sessions disrupt training and render the app unreliable
26 of 26 recent reviews analyzed · moderate confidence · Mixed overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Freediving Apnea Trainer
How's the Health & Fitness market?
Freediving Apnea Trainer maintains a 4.66 rating across 271 total platform ratings. The lack of updates for 22 months suggests a maintenance-only posture that limits its ability to capture new market share.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Freediving Apnea Trainer
Where is it heading?
The apnea training market is shifting toward integrated, cue-based experiences that reduce the need for manual table management. Freediving Apnea Trainer remains exposed due to its stagnant release cadence and technical debt, which will likely lead to continued user attrition to more responsive competitors.
- The 22-month development silence suggests the app is in maintenance mode, which leaves it vulnerable to rivals with active feature roadmaps.
- Persistent timer instability during training sessions erodes user trust, leading to premature session termination and negative sentiment.
The SWOT
- Bluetooth sensor integration for SpO2 and pulse tracking
- Adaptive training tables based on personal bests
- Hands-free voice-guided training sessions
- Paid tier to remove ads and unlock advanced contraction sensing
- Expanded sensor support for niche underwater gear
Next best moves
Audit timer logic because timer freezing is the top-cited complaint → reduce session churn
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of updates is a competitive advantage for a niche tool…
Read the full takeFeature gaps
Integrated audio workout cues (available in CueTimer but absent here)
Since the last report: Technical reliability has degraded, causing a shift from positive to mixed sentiment as timer freezing and device overheating disrupt core training sessions. The development focus has moved from long-term feature expansion to immediate technical remediation.
Bottom line
Freediving Apnea Trainer's core training logic retains users, but the 22-month development gap and timer instability threaten its standing. Addressing technical reliability would stabilize the user base while the team evaluates a transition to a subscription-based model to fund active development.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store
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