| Core Identity |
| Developer | 震 任 | Nir Hamzani | SilverAI Joint Stock Company | Apple | Sleep Tracker & Alarm Clock by Delightroom | CrioSoft LLC |
| Category | Utilities | Utilities | Utilities | Utilities | Productivity | Utilities |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | iOS, Android |
| Store Metrics |
| Rating | 4.7 / 5 | 4.9 / 5 | 0.0 / 5 | 2.5 / 5 | 2.5 / 5 | 4.4 / 5 |
| Ratings Count | 243 | 34 | 0 | 18,144 | 17,643 | 638 |
| Price | USD1.99 | $0.99 | Free | Free | Free | $2.99 |
| Release Date | Jan 22, 2016 | Nov 9, 2016 | Apr 7, 2026 | Oct 25, 2021 | Oct 25, 2021 | Jul 2, 2017 |
| Last Updated | Nov 10, 2022 | Aug 1, 2020 | Apr 9, 2026 | Dec 12, 2025 | Dec 12, 2025 | Mar 24, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | - | mixed | positive | positive |
| Score | 45/100 | 45/100 | - | 35/100 | 68/100 | 82/100 |
| Praises | - Radio signal simulation provides reliable time synchronization for atomic watches in signal-dead zones
| - Versatile all-in-one utility combining timers and alarms into a single interface
| - | - The clock application provides a reliable and ad-free experience for daily alarm management
| - Waking Effectiveness
- Mission-Based Challenges
| - Simple and accurate battery monitoring provides clear visibility into charging speeds and health metrics
|
| Complaints | - Alarm reliability issues post-update cause missed wake-up times and silent notifications for users
| - Unreliable alarm performance post-update causes missed events and user frustration
| - | - Alarm reliability issues including silent alarms and unexpected auto-dismissal behaviors
| - Intrusive Ads & Monetization
- Technical Reliability Issues
| - Inaccurate charging status reporting causes confusion when using non-standard or vehicle-based power sources
|
| Requests | - Customizable alarm settings including jarring sound options and snooze control for better reliability
| - Expanded reference database for diverse mechanical clock movements and beat frequencies
| - | - Bulk adjustment features to shift multiple alarms forward or backward simultaneously
| - | - Integration of battery status indicators into the native system status bar for better visibility
|
| Strategic Intel |
| Strengths | - Audio-based signal transmission provides a hardware-agnostic solution for legacy timekeeping
- Wear OS integration increases switching costs for Android users
| - Precision-measurement algorithm replaces expensive professional hardware
- User-defined reference table creates a persistent utility library
| - | - System-level integration with the Health app stack
- Native Apple Music library access for custom wake-up sounds
- Ad-free, privacy-focused utility model
| - Proprietary 'Prevent Turn Off' technology
- Diverse and high-friction dismissal missions
- Massive Android install base (2M+ ratings)
| - Proprietary global benchmarking database creates switching costs [Market Segment]
- Specialized mA measurement provides diagnostic precision [Feature Set]
|
| Weaknesses | - Alarm reliability regressions post-update
- UI complexity increases friction for standard daily alarm tasks
| - Microphone-based detection lacks noise-cancellation
- No data persistence for calibration measurements
| - | - 2.5-star rating on iOS
- Alarm reliability regressions in the latest release
- Lack of confirmation safeguards for alarm deletion
| - Poor iOS platform parity (2.5 star rating)
- Ad-delivery logic interfering with alarm functionality
- Reports of unauthorized subscription charges
| - iOS price point at $2.99 above category median [Pricing]
- Hardware-specific measurement failures on Samsung devices [Compatibility]
|
| Pricing | freemium | paid | free | free | freemium | freemium |
| Momentum | Zombie | Zombie | - | Maintenance | Maintenance | Maintenance |
| Update Cadence | 5 versions, 1 majors/6mo, ~474d avg | 5 versions, 5 majors/6mo, ~528d avg | - | 2 versions, ~117d avg | 3 versions, ~56d avg | 5 versions, 3 majors/6mo, ~135d avg |
