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Period & Ovulation Calculator vs its rivals

Side-by-side comparison against Period & Ovulation Calculator's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Period & Ovulation Calculator
This App
Clue Period & Cycle Tracker
Nemesis
Stardust Period Tracker
Contender
Period Tracker Deluxe
Contender
Period Tracker Period Calendar
Contender
Fertility Friend FF Tracker
Peer
Premom Ovulation Tracker & BBT
Peer
Core Identity
DeveloperAESTHETIC WIDGETS LTDBioWink GmbHStardust App LLC (New York)GP AppsABISHKKING LIMITED.Tamtris Web Services Inc.Easy Healthcare Corporation
CategoryHealth & FitnessHealth & FitnessHealth & FitnessHealth & FitnessHealth & FitnessHealth & FitnessHealth & Fitness
PlatformAndroid, iOSiOSAndroid, iOSiOS, AndroidAndroid, iOSiOS, AndroidiOS
Store Metrics
Rating4.4 / 54.8 / 54.8 / 54.9 / 54.9 / 54.8 / 54.8 / 5
Ratings Count577394,695101,74910,796167,5327,26755,047
PriceFreeFreeFree$9.99FreeFreeFree
Release DateJan 20, 2022Jul 9, 2013Jan 24, 2020Jan 31, 2019Sep 30, 2014Jun 21, 2011Oct 13, 2017
Last UpdatedJul 29, 2025May 13, 2026Apr 13, 2026Mar 21, 2026Apr 16, 2026Apr 13, 2026Apr 30, 2026
Sentiment & Reviews
Sentimentpositivenegative-mixed--positive
Score75/10035/100-65/100--75/100
Praises
  • Accurate cycle predictions and fertility tracking provide significant value for users planning conception journeys
  • Clean and accessible interface design makes daily cycle logging feel simple and highly intuitive
  • Accurate cycle prediction and symptom tracking provide significant health insights for long-term users
-
  • Long-term utility for cycle tracking creates strong user loyalty over many years
--
  • Automated ovulation tracking via photo-scanning of test strips provides high accuracy for users
Complaints
  • Excessive advertisement frequency disrupts the user experience and creates frustration during daily navigation
  • Aggressive subscription upsell popups interrupt the core tracking workflow multiple times per session
-
  • Widget functionality failures prevent users from viewing cycle data on the home screen
--
  • Inconsistent ovulation date calculations and algorithm errors cause confusion for users tracking cycles
Requests-
  • Expanded exercise and health metric logging options to better capture diverse physical activities
-
  • Manual reset button for calendar and dashboard data to clear historical records
--
  • Dark mode implementation to improve usability during early morning or late night data entry
Strategic Intel
Strengths
  • Lightweight interface reduces logging friction for casual users
  • Pin Lock protection builds necessary trust for sensitive health data
  • Clinical brand identity sustains user trust
  • Multi-mode tracking extends user lifecycle
  • Wearable integration automates biometric data input
-
  • 10-year historical data retention creates high switching costs
  • Simple UI reduces daily logging friction
--
  • Proprietary hardware-software loop via Easy@Home test kits
  • Specialized AI algorithms for PCOS-specific cycle management
  • Direct B2B revenue from virtual fertility consultations
Weaknesses
  • Excessive ad frequency disrupts daily navigation
  • 0.6-star Android-iOS rating gap on majority Android base
  • Aggressive subscription popups drive churn
  • Lack of flexibility for irregular cycles
  • Intrusive notifications disrupt user privacy
-
  • Widget functionality failures on iOS
  • Manual backup processes cause data loss during device migration
--
  • Algorithmic inconsistencies in ovulation predictions
  • Aggressive subscription prompts post-sign-up
  • Cluttered interface with small, difficult-to-interact buttons
Pricingfreemiumsubscriptionfreefreemiumfreefreemiumsubscription
MomentumMaintenanceIntenseIntenseMaintenanceIntenseIntenseActive
Update Cadence5 versions5 versions, ~12d avg5 versions5 versions, ~17d avg5 versions5 versions4 versions, ~13d avg

Compare Period & Ovulation Calculator head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Period & Ovulation Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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