Report updated May 19, 2026
Flo Cycle & Period Tracker
For women and individuals with cycles seeking science-backed health tracking from puberty through pregnancy and perimenopause.
Flo Cycle & Period Tracker is a challenged health & fitness app that is available. With a 4.7/5 rating from 6.8M reviews, it faces significant user friction. Users particularly appreciate accurate cycle tracking and ovulation predictions provide reliable health insights for long-term users, though aggressive subscription prompts and paywalls block access to basic health tracking and educational features remains a common concern.
What is Flo Cycle & Period Tracker?
Flo is a science-backed period, fertility, and pregnancy tracking app for women and individuals with cycles, available on iOS and Android.
Users hire Flo to manage reproductive health and life-stage transitions, from puberty to perimenopause, through personalized insights and symptom tracking.
Current Momentum
vVARY · 6d ago
Active- Shipped perimenopause symptom tracking tools.
- Integrated Symptom Checker for PCOS.
- Launched Secret Chats community feature.
Active Nemesis
Clue Period & Cycle Tracker
By BioWink
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessRating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Allows tracking without linking personal identifiers.
Enables sharing of cycle predictions with partners.
Educational info on PCOS and endometriosis.
How much does it cost?
- Free tier with basic tracking
- Premium tier with advanced insights and health assistant
Freemium model utilizing a subscription gate for advanced medical insights and educational content.
Who Built It?
Empowering individuals to manage reproductive health through data-driven cycle tracking and personalized insights. Providing science-backed tools for every stage of the reproductive lifecycle.
Portfolio
1
Apps
Explore the full FLO HEALTH UK report
Portfolio breakdown, audience, momentum, and every app published by FLO HEALTH UK.
What do users think recently?
High confidence · Latest 120 of 297 total reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate accurate cycle tracking and ovulation predictions provide reliable health insights for long-term users, but report aggressive subscription prompts and paywalls block access to basic health tracking and educational features.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Flo Cycle & Period Tracker?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
Flo maintains a dominant global footprint, holding #1 or #2 Grossing positions in the Health & Fitness category across multiple international markets. This chart dominance provides a massive discovery advantage, though the high volume of subscription-related complaints suggests the current monetization intensity is nearing a ceiling for user satisfaction.
Rank progression
289 active rankings tracked — 30-day window
Which niche is Flo Cycle & Period Tracker in?
to monitor menstrual cycles and reproductive health
Explore the full Period Tracking Trackers niche
Every app in this space — 35 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Glow competes directly by offering a comprehensive ecosystem that combines cycle tracking with social community forums and partner-focused features, targeting the same demographic of women managing reproductive health.
Contenders(4)
This app serves as a direct alternative for users seeking a straightforward, no-frills cycle prediction engine.
Once focuses on the fertility-conscious segment, providing specific pregnancy probability indicators that overlap with Flo's core fertility features.
Cycle Air targets the same user base by bundling cycle tracking within a broader subscription-based utility ecosystem.
Cube competes by offering a highly customizable cycle tracking experience that emphasizes aesthetic personalization and symptom logging.
Same space(3)
Health4U represents the clinical side of health tracking, focusing on medical record integration rather than lifestyle tracking.
This app competes for the user's health-tracking attention by focusing on chronic condition monitoring.
Wild.AI targets the intersection of hormonal health and athletic performance, appealing to Flo's more active user segment.
Compare Flo Cycle & Period Tracker against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Flo Cycle & Period Tracker
Strengths to defend, gaps to attack
Core Strengths
- 460 million user base drives AI-model accuracy
- ISO 27001/ISMS certification establishes high-level security
- All-in-one lifecycle content covers puberty to perimenopause
Critical Frictions
- Historical data loss following the latest update
- Aggressive subscription prompts blocking basic features
- Lack of responsive customer support for billing
Growth Levers
- Expanding perimenopause tools for aging demographic
- B2B health insurance partnerships using medical content
- Wearable hardware integration for BBT tracking
Market Threats
- Clue's academic research integration building clinical trust
- EU/UK regulatory scrutiny on health-data monetization
- Rising churn to one-time-payment alternatives
What are the next best moves?
Rebuild account synchronization logic because data-loss complaints are the #1 churn risk → restore user trust
Historical data loss is the primary driver of negative sentiment in the latest update.
Trade-off: Pause the perimenopause feature expansion — data integrity is a prerequisite for retention.
Soften subscription paywall frequency because users report being blocked from basic tracking → improve retention
Aggressive prompts are the top-cited complaint theme in recent user reviews.
Trade-off: Delay the launch of new premium video courses — current monetization is actively damaging the user base.
A counter-intuitive read
Flo's massive user base is a liability, not an asset: the sheer volume of data makes the app a primary target for regulatory scrutiny and makes the recent data-loss incidents exponentially more damaging to the brand.
Feature Gaps vs Competitors
- Physical test-strip analysis (available in Premom)
- One-time payment model (available in Period Tracker by GP Apps)
- Hardware-integrated BBT tracking (available in Premom)
Key Takeaways
Flo dominates the market through its lifecycle-spanning content, but the current monetization intensity and technical instability are eroding its retention moat. The PM must prioritize data-persistence stability and moderate the paywall frequency to prevent a mass exodus of long-term users to clinical-first competitors.
Where Is It Heading?
Declining
The cycle-tracking market is consolidating around clinical trust and data privacy, shifting away from content-heavy freemium models. Flo's current trajectory is exposed: unless the team pivots from aggressive monetization to technical reliability, the brand will continue to lose its most loyal, long-term users to competitors that prioritize clinical-grade stability.
Data loss incidents in the latest release trigger high-churn behavior, which directly undermines the app's core value proposition of long-term health tracking.
Aggressive subscription prompts are driving users to seek alternatives, creating a vulnerability that clinical-first competitors like Clue are actively exploiting.