By GP Apps
Report updated May 20, 2026
Period Tracker by GP Apps
For individuals seeking to track menstrual cycles, fertility windows, or pregnancy progress.
Period Tracker by GP Apps is an established health & fitness app that is free with in-app purchases. With a 4.5/5 rating from 432.5K reviews, it shows polarized user reception. Users particularly appreciate long-term reliability of cycle tracking provides consistent value for users over many years, though inaccurate cycle predictions following recent updates cause significant frustration for long-term users remains a common concern.
What is Period Tracker by GP Apps?
Period Tracker is a health and fitness app for menstrual cycle and fertility monitoring, available on iOS and Android.
Users hire the app for low-friction, daily cycle logging that provides predictable fertility windows without the complexity of clinical-grade alternatives.
Current Momentum
v12.0 · 6d ago
Maintenance- Integrated HealthKit and 3D Touch.
- Shipped Advanced TTC Mode.
Active Nemesis
Flo Cycle & Period Tracker
By FLO HEALTH UK
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Calculates menstrual cycle start dates based on a three-month rolling average of logged data
Provides prompted timeline instructions for users attempting to conceive
Displays week-by-week images and articles with a countdown to the baby's due date
How much does it cost?
- Free ad-supported version
- Patron program subscription at $9.99 per billing period
Freemium model anchored by a $9.99 subscription, utilizing ad-inventory for the free user base.
Who Built It?
GP Apps
Providing long-term menstrual cycle and fertility tracking tools for individuals seeking health insights. Their apps focus on simple, calendar-based logging and symptom management.
Portfolio
3
Apps
Who is GP Apps?
GP Apps maintains a dominant, long-standing position in the menstrual health category by prioritizing a simple, utility-first interface over complex social or gamified features. Their moat is built on over a decade of user data and brand recognition, allowing them to sustain a massive, loyal user base without needing frequent feature pivots. The primary strategic tension lies in their reliance on a legacy, calendar-centric design in an increasingly competitive market that is shifting toward AI-driven health insights and holistic wellness integration.
Who is GP Apps for?
- Individuals seeking to monitor menstrual cycles
- Fertility
- Pregnancy symptoms
Portfolio momentum
Released 8 updates across 3 apps in the last 6 months, with the top titles receiving updates within the last 21 days.
What other apps does GP Apps make?
What do users think recently?
High confidence · Latest 100 of 120 total reviews analyzed · Based on 120 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate long-term reliability of cycle tracking provides consistent value for users over many years, but report inaccurate cycle predictions following recent updates cause significant frustration for long-term users.
What Users Love
What Frustrates Users
What Users Want
What is the competitive landscape for Period Tracker by GP Apps?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
The app maintains a high rating of 4.8 on iOS with over 73,000 reviews, yet the Android rating lags at 4.4 across 359,000 reviews. This platform-specific sentiment gap signals that technical debt on Android is eroding the user base relative to the iOS experience.
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇯🇲 Jamaica | Health & Fitness | iOSFree | #80 | ▼27 |
| 🇸🇪 Sweden | Health & Fitness | iOSFree | #95 | NEW |
The rivals identified
The Nemesis
Head to Head
The target app cannot compete on feature depth; it must double down on its 'Simple and Cute' positioning to retain users who find Flo's ecosystem overly complex or intrusive.
What sets Period Tracker by GP Apps apart
Maintains a simpler, less cluttered interface that appeals to users overwhelmed by Flo's complex feature set.
Focuses on a 'press-a-button' simplicity that reduces the friction of daily logging for casual users.
What's Flo Cycle & Period Tracker's Edge
Leverages a massive data-driven flywheel to provide highly accurate cycle predictions and personalized health reports.
Offers a comprehensive 'Health Assistant' that provides medical-adjacent guidance which the target app lacks.
Contenders
Prioritizes clinical, science-backed language and data privacy over the 'cute' aesthetic of the target app.
Ships frequent updates with 20 releases in the last six months, ensuring high platform stability and feature velocity.
Aggressively iterates on UI/UX to reduce logging friction, matching the target app's core value proposition.
Maintains a high release cadence to quickly patch bugs and integrate user-requested features in real-time.
Period Tracker Period Calendar
★4.9 (167.5K)ABISHKKING LIMITED.
⚡A direct functional rival that mirrors the target app's simplicity while maintaining a massive, highly-rated user base.
Provides a highly visual calendar-first interface that makes long-term cycle tracking more intuitive than the target's timeline.
Includes robust password protection and data backup features that address common security concerns for cycle tracking apps.
Peers
Certified as a contraceptive device in several regions, providing a regulatory moat the target app lacks.
Requires basal body temperature data for high-precision fertility tracking, shifting the user intent from logging to medical management.
Fertility Friend FF Tracker
★4.6 (18.2K)Tamtris Web Services Inc.
⚡A legacy power-user tool that provides deep data analysis for those actively trying to conceive.
Offers advanced charting and data analysis tools that allow users to identify complex ovulation patterns.
Maintains a web-based backend that allows users to sync and analyze data across multiple platforms seamlessly.
New Kids on the Block
Moody Month: Hormone Tracker
★4.6 (879)We Are Moody Ltd
⚡An emerging niche player focusing on the intersection of hormonal health and emotional well-being.
Focuses specifically on the hormonal impact on mood and energy, differentiating from generic cycle-only trackers.
Provides daily nutritional and lifestyle advice tailored to the user's specific phase of their hormonal cycle.
The outtake for Period Tracker by GP Apps
Strengths to defend, gaps to attack
Core Strengths
- Decade-long data history creates high switching costs
- Simple button-press interface reduces daily logging friction
Critical Frictions
- Premium tier at $9.99 exceeds category median
- 0.38 rating gap between iOS and Android platforms
Growth Levers
- Unlock historical data charts to rebuild user trust
- Integrate wearable data for high-precision fertility tracking
Market Threats
- Flo’s AI-driven health assistant captures high-intent users
- Clue’s 20-release cadence outpaces current stability updates
What are the next best moves?
Audit prediction algorithm because inaccurate cycle dates are the top complaint → stabilize retention
Inaccurate cycle predictions are the primary driver of negative sentiment in recent reviews.
Trade-off: Pause the development of new pregnancy articles to prioritize core engine stability.
Unlock historical data charts because paywalling legacy logs is a top churn driver → improve sentiment
Loyal users cite the paywalling of previously free historical data as a primary reason for potential uninstallation.
Trade-off: Delay the rollout of new UI skins to focus on restoring user trust.
A counter-intuitive read
The app's simplicity is its greatest risk: by avoiding complex health-assistant features, it leaves a vacuum that competitors fill, making it a target for acquisition or displacement by AI-native rivals.
Feature Gaps vs Competitors
- AI-driven health assistant (available in Flo but absent here)
- Science-backed content library (available in Clue but absent here)
Key Takeaways
The app maintains a strong base through long-term habit formation, but recent algorithmic inaccuracies and paywall friction threaten to drive users to more modern competitors, so the PM must prioritize engine stability and restore access to legacy features to prevent churn.
Where Is It Heading?
Declining
The menstrual tracking market is consolidating around AI-driven, science-backed platforms that offer more than simple logging. GP Apps is currently exposed, as its maintenance-mode update cadence fails to address the prediction accuracy issues that are actively driving users to competitors like Flo and Clue.
Inaccurate cycle predictions in the latest release erode user trust, leading to increased churn among long-term, high-value users.
The paywalling of historical data creates friction that alienates loyal users, directly impacting the long-term retention of the subscriber base.