--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Ovulation: Period Calculator" developer_entity: "Muhammad Abdul Rauf" bundle_id: "ovulation.calculator.period.tracker.pregnancy.calendar" app_store_id: "6753956193" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-21" report_date: "2026-08-09" last_verified: "2026-08-09T00:00:00.000Z" report_version: "1.5" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 52 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["health & fitness", "free", "mobile app", "app review", "app analysis", "women", "tracking", "menstrual"] canonical_url: "https://marlvel.ai/apps/ovulation-period-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- ## ⚠ Content Warning This report covers topics classified as sensitive (health). Information is aggregated from public sources for informational purposes only. This is not medical advice. Consult a qualified professional before acting on any information here. --- # Ovulation: Period Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Free > **TL;DR:** Ovulation: Period Calculator is a health & fitness app by Muhammad Abdul Rauf, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Ovulation: Period Calculator is a health & fitness app by Muhammad Abdul Rauf. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Health & Fitness | | **Developer** | Muhammad Abdul Rauf | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 52d | ## Metadata & Market Performance - **Publisher:** Muhammad Abdul Rauf - **Category:** Health & Fitness - **Target Audience:** Women tracking menstrual cycles, fertility windows, or pregnancy progress who require basic health logging and labor timing tools. - **Platforms:** iOS - **Version Reviewed:** 1.5 - **Report Date:** 2026-08-09 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6753956193 - **Bundle ID:** ovulation.calculator.period.tracker.pregnancy.calendar - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-09 ## Executive Snapshot **What it is:** Ovulation: Period Calculator is a free health-tracking tool for women to monitor menstrual cycles and fertility windows on iOS. **Why users hire it:** 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. ## App DNA (Features & Intent) - **[Standard] Ovulation and Fertility Calendar:** Predicts fertile windows and ovulation dates based on user-inputted menstrual cycle length and last period start date. - **[Differentiator] Contraction Timer:** Records and timestamps labor contractions to track frequency and duration. * *User Intent:* Users want visibility into their own performance and progress. - **[Differentiator] Pin Lock Protection:** Secures health data and notes behind a user-defined numeric passcode. * *User Intent:* Users prioritize data protection and trust in the platform. ## Market Position {#market-position} 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. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently free to download with no visible subscription or IAP gates. ## SWOT Analysis {#swot} **Core Strengths:** - Pin Lock protection secures sensitive health data **Growth Levers:** - Education partnerships offer untapped B2B distribution ## Recent Changes (v2 → v3) {#recent-changes} The app transitioned from a growth-focused roadmap to a maintenance-only strategy, abandoning plans for premium monetization. **Overall trend**: Stable **Compared at**: 2026-08-09 ### High-impact changes - **[Shifted] Strategic Roadmap Pivot** (positioning) ### Medium-impact changes - **[Shifted] SWOT Profile Update** (swot) ## What's New - **Latest (v1.5, 2 weeks ago):** General app overview and maintenance update; no specific new features or changes listed. ## App Momentum (Maintenance) {#momentum} - Ships maintenance-mode updates. - Last major release July 2026. > **Cadence:** 1 total versions · 1 majors in last 6 months · 18 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Ovulation: Period Calculator is a health & fitness app that is completely free. > **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. **Best for:** Women tracking menstrual cycles, fertility windows, or pregnancy progress who require basic health logging and labor timing tools. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit the current feature set because the app is in maintenance mode and lacks differentiation → Maintain competitive parity ### Outlook: Stable 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. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Ovulation: Period Calculator** (this app) | N/A/5 | N/A | Muhammad Abdul Rauf | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.6/5 | n/a | Grow Labs LLC | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [Strava: Run, Bike, Walk](https://marlvel.ai/apps/strava-run-bike-walk) | 4.7/5 | n/a | Strava, Inc. | | [Taller AI: Height Maximizer](https://marlvel.ai/apps/taller-ai-height-maximizer) | 4.7/5 | Excited | Leadimize | | [TallerTeen - Grow Taller Now](https://marlvel.ai/apps/tallerteen-grow-taller-now) | 4.7/5 | n/a | Viral App Developement LLC | ## Company Profile - **Developer:** Muhammad Abdul Rauf - **Website:** [https://mtechapps2.blogspot.com/](https://mtechapps2.blogspot.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/ovulation-period-calculator/id6753956193?uo=4) - **Dev Site:** [Official Website](https://mtechapps2.blogspot.com/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.6/5 Rating - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*Strava: Run, Bike, Walk*](https://marlvel.ai/apps/strava-run-bike-walk) (Strava, Inc.) · 4.7/5 Rating - [*Taller AI: Height Maximizer*](https://marlvel.ai/apps/taller-ai-height-maximizer) (Leadimize) · 4.7/5 Rating | Positive Sentiment - [*TallerTeen - Grow Taller Now*](https://marlvel.ai/apps/tallerteen-grow-taller-now) (Viral App Developement LLC) · 4.7/5 Rating - [*Activity Tracker・FitnessView*](https://marlvel.ai/apps/activity-tracker-fitnessview) (Funn Media, LLC) · 4.0/5 Rating - [*Avatran Soul*](https://marlvel.ai/apps/avatran-soul) (Avatran GmbH) · N/A Rating - [*Bubblic: Connect with people.*](https://marlvel.ai/apps/bubblic-connect-with-people) (Bubblic Inc.) · 4.6/5 Rating | Positive Sentiment - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Evolum) · 4.7/5 Rating | Positive Sentiment - [*Holoholo: Daily Memories*](https://marlvel.ai/apps/holoholo-daily-memories) (For Pedestrians LLC.) · 4.4/5 Rating ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.2/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 52 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/ovulation-period-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.