| Core Identity |
| Developer | STANISLAV STRELKOV | Sleep Tracker & Alarm Clock by Delightroom | Apple | Google LLC | Sleep Cycle AB | Mosaic S.r.l. | DOSA Apps | RV AppStudios LLC | InnerGrow |
| Category | Entertainment | Productivity | Utilities | Tools | Health & Fitness | Health & Fitness | Tools | Utilities | Productivity |
| Platform | Android, iOS | Android, iOS | iOS, Android | Android, iOS | iOS | iOS | Android, iOS | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 0.0 / 5 | 2.5 / 5 | 2.5 / 5 | 2.5 / 5 | 4.7 / 5 | 4.3 / 5 | 0.0 / 5 | 4.5 / 5 | 4.5 / 5 |
| Ratings Count | 0 | 17,643 | 18,144 | 17,865 | 22,456 | 22,395 | 0 | 3,279 | 362 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Sep 15, 2016 | Oct 25, 2021 | Oct 25, 2021 | Oct 25, 2021 | Jul 23, 2009 | Jan 11, 2016 | Jan 5, 2026 | Jul 26, 2011 | Sep 15, 2025 |
| Last Updated | Oct 29, 2016 | Dec 12, 2025 | Dec 12, 2025 | Dec 12, 2025 | Apr 22, 2026 | Apr 15, 2025 | Jan 8, 2026 | Apr 2, 2026 | Apr 8, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | positive | mixed | negative | negative | - | - | - | - |
| Score | 35/100 | 68/100 | 35/100 | 35/100 | 35/100 | - | - | - | - |
| Praises | - Integrated timer and alarm functionality provides a convenient all-in-one utility for daily time management
| - Waking Effectiveness
- Mission-Based Challenges
| - The clock application provides a reliable and ad-free experience for daily alarm management
| - Simple and functional clock interface provides reliable timekeeping for daily routines
- Medication reminder utility helps users manage health schedules for family members
| | - | - | - | - |
| Complaints | - Unreliable alarm triggering and automatic muting behaviors cause significant disruption to user daily schedules
| - Intrusive Ads & Monetization
- Technical Reliability Issues
| - Alarm reliability issues including silent alarms and unexpected auto-dismissal behaviors
| - Alarm reliability issues post-update cause missed wake-up calls and daily frustration
- Complex and unintuitive interface changes following the latest update hinder basic navigation
- Forced integration of unwanted news and routines disrupts the core alarm experience
| - Aggressive Monetization & Ads
- Technical Bugs & Reliability
| - | - | - | - |
| Requests | - Granular scheduling options for different days and hourly chime functionality with custom sounds
| - | - Bulk adjustment features to shift multiple alarms forward or backward simultaneously
| - Customizable light mode option requested to improve visibility and accessibility for users
- Hourly chime feature with custom sound support requested for time management
- Home screen widget for timers requested to improve quick access and visibility
| - | - | - | - | - |
| Strategic Intel |
| Strengths | - System-level Android integration replaces default assistant on hardware-mapped triggers
- Ecosystem network effects driven by pre-installed status on Android devices
| - Proprietary 'Prevent Turn Off' technology
- Diverse and high-friction dismissal missions
- Massive Android install base (2M+ ratings)
| - System-level integration with the Health app stack
- Native Apple Music library access for custom wake-up sounds
- Ad-free, privacy-focused utility model
| - System-level Android integration replaces default assistant on hardware-mapped triggers
- Zero-cost, ad-free utility environment sustains high install volume
| - Established brand with 40M+ downloads
- Patented non-wearable tracking tech
- Advanced AI coaching (Luma/SleepGPT)
| - | - | - | - |
| Weaknesses | - Unreliable alarm triggering reported in high-frequency complaints
- Post-update UI regressions hinder basic navigation
| - Poor iOS platform parity (2.5 star rating)
- Ad-delivery logic interfering with alarm functionality
- Reports of unauthorized subscription charges
| - 2.5-star rating on iOS
- Alarm reliability regressions in the latest release
- Lack of confirmation safeguards for alarm deletion
| - Alarm reliability failures post-update
- 0.7★ Android-iOS rating gap
- Intrusive UI changes following the latest update
| - Declining user sentiment
- Technical bugs (alarm/overheating)
- Aggressive monetization of paid users
| - | - | - | - |
| Pricing | free | freemium | free | free | freemium | freemium | free | freemium | freemium |
| Momentum | Zombie | Maintenance | Maintenance | Maintenance | - | - | - | Intense | Intense |
| Update Cadence | 3 versions, 2 majors/6mo, ~1756d avg | 3 versions, ~56d avg | 2 versions, ~117d avg | 2 versions, 1 majors/6mo, ~109d avg | - | - | - | 5 versions | 5 versions |
