| Core Identity |
| Developer | Zero Longevity Science, Inc. | BodyFast GmbH | Wombat Apps LLC | MyFitnessPal, Inc. | FitNow | MyNetDiary Inc. | Oura Health Oy | Noom, Inc. | Viral Development LLC |
| Category | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness |
| Platform | iOS | Android, iOS | iOS | iOS, Android | Android, iOS | iOS, Android | iOS, Android | iOS | iOS |
| Store Metrics |
| Rating | 4.8 / 5 | 4.7 / 5 | 4.8 / 5 | 4.7 / 5 | 4.8 / 5 | 4.8 / 5 | 4.9 / 5 | 4.7 / 5 | 4.8 / 5 |
| Ratings Count | 445,251 | 143,510 | 725,975 | 2,316,370 | 750,859 | 146,559 | 226,808 | 863,351 | 306,620 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Dec 23, 2016 | Jan 22, 2018 | Dec 30, 2010 | Dec 8, 2009 | Nov 21, 2008 | Feb 3, 2019 | Jan 14, 2016 | May 9, 2013 | Apr 8, 2024 |
| Last Updated | Apr 29, 2026 | Apr 9, 2026 | Apr 8, 2026 | Apr 14, 2026 | Apr 29, 2026 | Apr 15, 2026 | Apr 7, 2026 | Apr 22, 2026 | Apr 16, 2026 |
| Sentiment & Reviews |
| Sentiment | terrible | mixed | mixed | mixed | mixed | - | mixed | negative | terrible |
| Score | 15/100 | 35/100 | 55/100 | 45/100 | 35/100 | - | 48/100 | 35/100 | 12/100 |
| Praises | - Core fasting timer and weight tracking tools provide effective health results for long-term users
| - Intermittent fasting timer provides a simple and effective way to track daily progress
| - Macro and net carb tracking features provide essential support for users managing keto diet goals
| - Weight Loss Effectiveness
- Extensive Food Database
| - Extensive food database and barcode scanning functionality support consistent long-term weight loss tracking
| - | - Health Insights & Awareness
- Device Comfort & Design
| - Educational daily lessons provide practical strategies for long-term weight management and healthy lifestyle changes
| |
| Complaints | - Post-update login failures and account access errors prevent users from tracking their fasting progress
| - Subscription cancellation process is intentionally difficult and leads to recurring unauthorized charges
| - Technical instability and blank screens following the latest update disrupt daily food logging habits
| - Aggressive Monetization
- Syncing and Data Integration Issues
| - Aggressive paywalling of previously free features creates significant friction for long-time loyal users
| - | - Hardware Battery Degradation
- Poor Customer Support
- App Bugs & Syncing Issues
| - Forced gamification features like virtual seeds distract from the core utility of food tracking
| - Billing and Subscription Issues
- Performance and Stability
- Security Breach
|
| Requests | - Restoration of a functional free tier to allow basic fasting and weight tracking usage
| - Integration of wearable device support to improve tracking convenience for active users
| - Expanded non-keto recipe database to support users transitioning to broader healthy eating plans
| - | - Toggle option to disable automatic calorie bonuses when syncing with external fitness wearables
| - | - | - Customizable interface options to hide unnecessary gamification and focus on core tracking tools
| - |
| Strategic Intel |
| Strengths | - Oura integration increases switching costs via biometric data
- Protein-focused nutrition logic differentiates from generic calorie trackers
| - 600,000-member Facebook community drives organic acquisition
- Visual fasting-stages loop reinforces daily habit formation
| - Specialized metabolic tracking creates high switching costs
- Community challenges drive DAU/MAU via peer-to-peer accountability
| - Massive food database (20.5M+ entries)
- Deep integration with 40+ third-party apps and devices
- Dominant market position (#1 Grossing in category)
| - Massive 56M-item food database creates high user switching costs
- Editors' Choice badge across five markets sustains organic install velocity
| - | - Superior form factor for 24/7 wear and sleep tracking
- High-accuracy finger-based biometric sensors
- Advanced cycle tracking and reproductive health insights
| - Psychology-based curriculum creates high switching costs
- Clinical integration provides high-ARPU revenue stream
| - Massive user base (300k+ ratings) providing significant social proof.
- Strong commercial performance (#8 Grossing in Health & Fitness).
- Clear, minimalist 'time-efficiency' market positioning.
|
| Weaknesses | - Login failures post-update disrupt daily habits
- Premium tier pricing exceeds category median
| - Subscription cancellation flow lacks in-app parity
- Manual schedule adjustments locked behind paywall
| - Technical instability in the latest version erodes trust
- Subscription cancellation friction drives negative sentiment
| - Paywalled barcode scanner causing significant user backlash
- Unreliable syncing with wearables (Garmin, steps)
- Technical instability (frequent logouts, UI bugs)
| - Premium tier gating of legacy features drives negative sentiment
- 0.2★ Android-iOS rating gap indicates platform-specific performance regressions
| - | - Hardware battery degradation after 12-18 months
- Friction-heavy AI-only customer support
- Subscription requirement for basic data access
| - Forced gamification elements drive negative sentiment
- Technical regressions cause data sync failures
| - Critical billing infrastructure failures leading to fraud reports.
- Severe performance lag and UI jank in current build.
- Security vulnerabilities in community/group features.
|
| Pricing | freemium | freemium | freemium | freemium | freemium | freemium | subscription | subscription | subscription |
| Momentum | Active | Maintenance | Maintenance | Maintenance | Active | Intense | Active | Active | Maintenance |
| Update Cadence | 3 versions, 2 majors/6mo, ~17d avg | 5 versions, 5 majors/6mo, ~55d avg | 2 versions, ~44d avg | 4 versions, ~12d avg | 5 versions, 1 majors/6mo, ~5d avg | 5 versions | 5 versions, 3 majors/6mo, ~3d avg | 5 versions, ~12d avg | 3 versions, ~19d avg |
