| Core Identity |
| Developer | Azmi Rutkay BIYIK | FLO HEALTH UK LIMITED | ABISHKKING LIMITED. | BioWink GmbH | NaturalCycles Nordic AB | Stardust App LLC (New York) | Welltory inc |
| Category | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness | Health & Fitness |
| Platform | iOS | iOS, Android | Android, iOS | iOS | Android, iOS | Android, iOS | iOS |
| Store Metrics |
| Rating | 2.7 / 5 | 4.8 / 5 | 4.9 / 5 | 4.8 / 5 | 4.8 / 5 | 4.8 / 5 | 4.7 / 5 |
| Ratings Count | 3 | 1,870,367 | 167,532 | 394,695 | 29,105 | 101,749 | 127,691 |
| Price | USD2.99 | Free | Free | Free | Free | Free | Free |
| Release Date | Apr 25, 2020 | Oct 3, 2015 | Sep 30, 2014 | Jul 9, 2013 | Dec 17, 2013 | Jan 24, 2020 | May 3, 2016 |
| Last Updated | Jul 10, 2020 | May 12, 2026 | Apr 16, 2026 | May 13, 2026 | May 12, 2026 | Apr 13, 2026 | Apr 29, 2026 |
| Sentiment & Reviews |
| Sentiment | terrible | negative | - | negative | negative | - | mixed |
| Score | 10/100 | 25/100 | - | 35/100 | 25/100 | - | 45/100 |
| Praises | - | - Accurate cycle tracking and ovulation predictions provide reliable health insights for long-term users
| - | - Accurate cycle prediction and symptom tracking provide significant health insights for long-term users
| - Cycle tracking accuracy provides users with reliable data for family planning and body awareness
- Integration with wearable devices simplifies the daily temperature logging process for active users
| - | - Detailed health insights and data tracking provide actionable feedback for managing chronic stress and illness
|
| Complaints | - Pro subscription purchase fails to load content after the latest update
- Historical data fails to migrate when switching from Android to iPhone
| - Aggressive subscription prompts and paywalls block access to basic health tracking and educational features
| - | - Aggressive subscription upsell popups interrupt the core tracking workflow multiple times per session
| - Subscription price increases are perceived as unjustifiable given the lack of meaningful feature improvements
- Aggressive monetization and restrictive refund policies frustrate users during the trial and cancellation process
| - | - Aggressive and persistent upselling of lifetime memberships creates a frustrating experience for existing premium subscribers
|
| Requests | - | - Partner integration features would allow users to share symptom data and cycle status
| - | - Expanded exercise and health metric logging options to better capture diverse physical activities
| - Partner access to informational articles would improve shared understanding of cycle health
| - | - Implementation of a monthly subscription tier to accommodate users with limited or fixed financial budgets
|
| Strategic Intel |
| Strengths | - Privacy-first local encryption architecture sustains user trust for sensitive data
- Granular activity logging enables deep relationship-based data insights
| - 460 million user base drives AI-model accuracy [Metric: Total Users]
- ISO 27001/ISMS certification establishes high-level security [Mechanism: Privacy-first design]
- All-in-one lifecycle content covers puberty to perimenopause [Mechanism: Unified interface]
| - | - Clinical brand identity sustains user trust
- Multi-mode tracking extends user lifecycle
- Wearable integration automates biometric data input
| - FDA-cleared clinical status creates a regulatory barrier to entry
- Wearable integration reduces daily user friction
- Multi-mode tracking extends customer lifecycle across reproductive stages
| - | - Proprietary HRV analysis algorithms create a high switching cost via historical health data accumulation
- 1,000+ device integration library functions as a central data hub for fragmented health ecosystems
|
| Weaknesses | - $2.99 upfront price point limits top-of-funnel conversion
- Critical data-migration failures prevent multi-device retention
- 2.67-star rating indicates severe quality issues
| - Historical data loss following the latest update [Metric: 1★ review frequency]
- Aggressive subscription prompts blocking basic features [Metric: Sentiment Score 25]
- Lack of responsive customer support for billing [Metric: Billing complaint volume]
| - | - Aggressive subscription popups drive churn
- Lack of flexibility for irregular cycles
- Intrusive notifications disrupt user privacy
| - Subscription price increases exceed perceived feature value
- UI changes increase daily logging friction
- Restrictive refund policies drive negative sentiment
| - | - Annual-only subscription tier creates a high barrier to entry for price-sensitive users
- Aggressive upselling prompts to existing subscribers drive negative sentiment and churn risk
|
| Pricing | freemium | subscription | free | subscription | subscription | free | subscription |
| Momentum | Zombie | Active | Intense | Intense | Maintenance | Intense | Active |
| Update Cadence | 5 versions | 5 versions, 1 majors/6mo, ~15d avg | 5 versions | 5 versions, ~12d avg | 5 versions, ~14d avg | 5 versions | 5 versions, 4 majors/6mo, ~9d avg |
