Ovulation: Period Calculator is a free health-tracking tool for women to monitor menstrual cycles and fertility windows on iOS.
The App DNA
What makes this app unique?
Users hire this app for a simple, no-cost way to predict fertile days and track cycle history without the friction of subscriptions. The tool serves as a basic utility for those who do not require advanced data analytics or wearable integration.
For Women tracking menstrual cycles, fertility windows, or pregnancy progress who require basic health logging and labor timing tools.
What does it look like?
Key features
Predicts fertile windows and ovulation dates based on user-inputted menstrual cycle length and last period start date.
Records and timestamps labor contractions to track frequency and duration.
Secures health data and notes behind a user-defined numeric passcode.
How much does it cost?
The app is currently free to download with no visible subscription or IAP gates.
Velocity
Maintenance developmentUX improvementsShow more...
The app has shipped only one release in the analyzed window, resulting in a maintenance-level cadence. The latest version notes are descriptive of general functionality rather than specific new features or improvements. There is no evidence of a recurring live-ops strategy or high-frequency development. Development appears to be focused on basic utility maintenance.
Who built it?
Muhammad Abdul Rauf
3 apps tracked · Health & Fitness
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What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Ovulation: Period Calculator
How's the Health & Fitness market?
The app occupies a basic utility niche within the Health & Fitness category, relying on a free-to-use model to attract users. Its lack of active feature updates compared to category leaders signals a focus on maintenance rather than market share expansion.
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Key takeaways for Ovulation: Period Calculator
Where is it heading?
The fertility-tracking market is consolidating around apps that offer integrated health-coaching and wearable device support. Ovulation: Period Calculator's current feature-light, free-only model leaves it exposed to churn as users migrate to platforms that offer more comprehensive health insights.
- The latest release provides only a generic overview of features, signaling that the app remains in a maintenance phase.
The SWOT
- Pin Lock protection secures sensitive health data
- Education partnerships offer untapped B2B distribution
Next best moves
Audit the current feature set because the app is in maintenance mode and lacks differentiation → Maintain competitive parity
The counter-intuitive read
The app's maintenance-mode status is a strategic choice…
Read the full takeSince the last report: The app transitioned from a growth-focused roadmap to a maintenance-only strategy, abandoning plans for premium monetization.
Bottom line
Ovulation: Period Calculator provides a basic, free utility for cycle tracking, but its maintenance-mode status and lack of advanced features limit its long-term retention potential, so the PM should prioritize a clear differentiation strategy or pivot to a niche utility focus.
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- [1] App Store, source
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