| Core Identity |
| Developer | SCEP LLC | Pavel Dobryakov | Mad Scientist | TMSOFT | The Mind Company | Insight Network Inc | Ipnos Software Inc. | smak.works |
| Category | Health & Fitness | Entertainment | Entertainment | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness |
| Platform | iOS | iOS, Android | iOS, Android | Android, iOS | iOS, Android | iOS | iOS | Android, iOS |
| Store Metrics |
| Rating | 4.5 / 5 | 4.9 / 5 | 4.7 / 5 | 4.8 / 5 | 4.9 / 5 | 4.9 / 5 | 4.7 / 5 | 4.8 / 5 |
| Ratings Count | 331 | 86,476 | 2,982 | 2,984 | 119,232 | 437,965 | 390,086 | 5,157 |
| Price | Free | Free | Free | $2.99 | Free | Free | Free | Free |
| Release Date | Sep 3, 2014 | Nov 20, 2018 | Nov 6, 2018 | Apr 1, 2010 | Sep 3, 2019 | Nov 5, 2009 | May 7, 2009 | Feb 24, 2026 |
| Last Updated | Aug 13, 2016 | Feb 8, 2026 | Feb 5, 2026 | Jan 7, 2026 | Apr 28, 2026 | Apr 16, 2026 | Apr 23, 2026 | Apr 20, 2026 |
| Sentiment & Reviews |
| Sentiment | positive | excellent | - | - | positive | positive | negative | - |
| Score | 82/100 | 92/100 | - | - | 78/100 | 62/100 | 25/100 | - |
| Praises | - Calming visual and auditory feedback loops provide effective relief for anxiety and sensory overstimulation
| - Absence of intrusive advertisements creates a relaxing and uninterrupted user experience for all ages
- Fluid simulation mechanics provide effective stress relief and anxiety management for diverse user groups
| - | - | - Guided meditation plans provide a structured skill ramp for beginners to build consistent mental wellness habits
| - Extensive Content Library
- Positive Impact on Wellbeing
| - High quality sleep sound variety provides effective relaxation for users struggling with nightly rest
| - |
| Complaints | - Interface navigation and menu responsiveness issues hinder the user experience during setup
| - Feature parity gaps between the mobile application and the web-based version frustrate power users
| - | - | - Audio playback interruptions and pausing issues during sleep sessions disrupt the user experience on Android devices
| - Aggressive Monetization and Nagware
- Poor UX/UI Changes
| - Aggressive paywall implementation restricts access to previously free content and core sound features
| - |
| Requests | - Expanded support for personal music library integration to allow custom audio playback
| - Expanded customization options for background colors and visual settings to match web capabilities
| - | - | - Offline download capability for meditations would allow users to maintain their practice during travel or flights
| - | - Addition of a lower-cost monthly subscription plan for casual or intermittent users
| - |
| Strategic Intel |
| Strengths | - Tactile particle-flow mechanics provide immediate sensory relief
- Freemium model lowers entry barriers for new users
| - Editors' Choice badge sustains organic install velocity
- Ad-free UX functions as a meditation tool
| - | - | - Personalized algorithm increases long-term switching costs
- 10-day plans reinforce daily habit loops
- Interactive wind-down features gate premium value
| - World's largest free meditation library (80+ new tracks daily)
- Diverse marketplace of 20,000+ independent teachers
- Robust community features with 1,000+ discussion groups
| - Specialized noise-focused soundscape environment sustains functional utility
- HealthKit-integrated sleep tracking drives daily habit formation
| - |
| Weaknesses | - Interface navigation is non-responsive
- No personal music library integration
- Last major update occurred in 2016
| - 0.01★ Android-iOS rating gap
- No integrated audio or music
- Missing web-version color wheel
| - | - | - Android audio-playback instability persists
- $11.99/month price point exceeds category median
- Limited sleep story library causes long-term churn
| - Aggressive onboarding and monetization prompts ('nagware')
- UX instability leading to loss of user data (saved meditations)
- Inconsistent audio quality across the marketplace
| - Aggressive paywalling of previously free content alienates long-term users
- Technical instability post-update disrupts nightly sleep routines
| - |
| Pricing | freemium | free | free | paid | subscription | freemium | freemium | freemium |
| Momentum | Zombie | Maintenance | Active | Steady | Active | Intense | Active | Intense |
| Update Cadence | 1 versions | 2 versions, 2 majors/6mo, ~0d avg | 5 versions | 5 versions | 5 versions, ~11d avg | 5 versions, 5 majors/6mo, ~5d avg | 3 versions, ~19d avg | 5 versions |