| Core Identity |
| Developer | Sergey Vdovenko | Sleep Tracker & Alarm Clock by Delightroom | RV AppStudios LLC | Google LLC | Cross Forward Consulting, LLC | SEEKRTECH CO., LTD. | Appest Limited |
| Category | Utilities | Productivity | Utilities | Tools | Productivity | Productivity | Productivity |
| Platform | Android, iOS | Android, iOS | iOS, Android | Android, iOS | iOS | Android, iOS | iOS, Android |
| Store Metrics |
| Rating | 0.0 / 5 | 2.5 / 5 | 4.5 / 5 | 2.5 / 5 | 4.6 / 5 | 4.8 / 5 | 4.9 / 5 |
| Ratings Count | 0 | 17,643 | 3,279 | 17,865 | 745,390 | 48,115 | 42,467 |
| Price | USD1.99 | Free | Free | Free | Free | Free | Free |
| Release Date | Feb 20, 2013 | Oct 25, 2021 | Jul 26, 2011 | Oct 25, 2021 | Sep 16, 2020 | May 10, 2014 | Jun 19, 2013 |
| Last Updated | Jun 24, 2014 | Dec 12, 2025 | Apr 2, 2026 | Dec 12, 2025 | Apr 20, 2026 | Apr 29, 2026 | Mar 30, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | positive | - | negative | positive | mixed | - |
| Score | 35/100 | 68/100 | - | 35/100 | 82/100 | 45/100 | - |
| Praises | - Core utility of the clock and alarm functionality provides reliable timekeeping for daily routines
| - Waking Effectiveness
- Mission-Based Challenges
| - | - Simple and functional clock interface provides reliable timekeeping for daily routines
- Medication reminder utility helps users manage health schedules for family members
| - High degree of visual customization allows users to create aesthetic home screen layouts easily
| - Gamified focus mechanics provide effective motivation for students and professionals to reduce screen time
| - |
| Complaints | - Alarm reliability issues post-update cause missed wake-up calls and significant user frustration
| - Intrusive Ads & Monetization
- Technical Reliability Issues
| - | - 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
| - Paywall restrictions on specific widget types frustrate users seeking advanced customization options
| - Subscription model implementation post-update alienates long-term users who previously purchased the app
| - |
| Requests | - Customizable alarm behavior options would allow users to disable automatic silencing and snooze features
| - | - | - 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
| - Expansion of free widget options including weather and interactive elements to improve user satisfaction
| - Granular control settings for pause functionality to accommodate different user attention spans
| - |
| Strategic Intel |
| Strengths | - Desktop-first aesthetic avoids mission-heavy clutter
- iCal integration creates high switching costs
| - Proprietary 'Prevent Turn Off' technology
- Diverse and high-friction dismissal missions
- Massive Android install base (2M+ ratings)
| - | - System-level Android integration replaces default assistant on hardware-mapped triggers
- Zero-cost, ad-free utility environment sustains high install volume
| - Deep customization engine increases user switching costs
- Automated time-based widget switching drives daily habit formation
- Apple Health integration provides high-value, low-effort utility
| - Gamified tree-planting creates a unique emotional brand connection
- Allow Lists provide functional utility for power users
| - |
| Weaknesses | - Alarm reliability failures post-update
- 0.7★ Android-iOS rating gap
- High interaction friction for alarm setup
| - Poor iOS platform parity (2.5 star rating)
- Ad-delivery logic interfering with alarm functionality
- Reports of unauthorized subscription charges
| - | - Alarm reliability failures post-update
- 0.7★ Android-iOS rating gap
- Intrusive UI changes following the latest update
| - Premium tier weather/tide gating frustrates casual users
- Occasional performance glitches on older hardware
- Lacks one-tap theme templates for non-technical users
| - Subscription model implementation post-update alienates legacy users
- Technical instability and login failures post-update
| - |
| Pricing | freemium | freemium | freemium | free | freemium | freemium | freemium |
| Momentum | Zombie | Maintenance | Intense | Maintenance | Steady | Active | Intense |
| Update Cadence | 4 versions, 1 majors/6mo, ~1579d avg | 3 versions, ~56d avg | 5 versions | 2 versions, 1 majors/6mo, ~109d avg | 5 versions, 4 majors/6mo, ~20d avg | 5 versions, 4 majors/6mo, ~4d avg | 5 versions |