Comparison

Fem Cycle Tracker vs Prime Period

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Fem Cycle Tracker

Features
Read full description

Meet Fem Cycle Tracker, a scientifically-grounded approach to tracking your feminine health. Whether you are tracking your period, trying to conceive, or just want to understand your body better, we provide you with predictions based on standard medical methodologies. >> KEY FEATURES: - Accurate Cycle Forecasting: Automatically calculate your next period and ovulation day. - Daily Health Insights: Get personalized updates about your body status and pregnancy chance. - Symptom & Mood Log: Record 30+ symptoms including flow intensity, cervical mucus, mood, and BBT to detect patterns. - Intuitive Calendar: Visualize your menstruation, predicted ovulation, and fertile days in a clean month-view. - Privacy First: Your health data is sensitive. We ensure secure data storage and never sell your data. >> SCIENTIFIC & MEDICAL BASIS: Our prediction algorithms are designed based on peer-reviewed medical research and standard fertility awareness methods: - Ovulation Calculation: Based on the Rhythm Method (Mayo Clinic). - Fertile Window: Calculated using the "5 days before ovulation" standard (Johns Hopkins Medicine). - Conception Probability: Probability models derived from the Wilcox study (New England Journal of Medicine). >> IMPORTANT NOTE: Fem Cycle Tracker is for informational purposes only. Due to individual differences (e.g., irregular cycles, stress), forecasts may not be 100% accurate. It should be used for tracking, but NOT as a method of birth control/contraception. Contact Us: Email: [huagonglzh@163.com] ใ€Subscription Service Descriptionใ€‘ 1. Subscription Price: The subscription price is based on the selected order package and is subject to the actual subscription price. 2. Payment: Payment will be charged to your iTunes account after you confirm the purchase. 3. Subscriptions will automatically renew unless you turn off auto-renewal at least 24 hours before the end of the current subscription period. 4. Your Apple iTunes account will be charged within 24 hours prior to the expiration date. Upon successful payment, the subscription period will be extended by one subscription period. 5. Subscriptions can be managed by the user, and auto-renewal can be turned off in the user's account settings after purchase. 6. Subscriptions grant unlimited access to our premium features. 7. Privacy Policy: https://sites.google.com/view/fem-cycle-tracker-policy 8. User Agreement: https://sites.google.com/view/fem-cycle-tracker-terms

About

Prime Period

Features
Read full description

PRIME PERIOD: THE PRIVATE CYCLE TRACKER More private than a paper journal. Prime Period is a cycle tracker designed to provide a secure and straightforward way to understand your body. Keep your data exactly where it belongs: on your device. SECURE & ACCOUNT-FREE - No Sign-Up Required: Your data is stored locally on your device, no accounts or emails required. - Privacy-First: We don't collect your personal information. - On-Device Storage: Data is stored locally on your device, protected by your device's built-in security. - Optional transfer: Move data between devices with a private key; we never see the key. STRAIGHTFORWARD TRACKING - Cycle Insights: Log dates and view your monthly patterns. - Preparedness: Get clear estimates for your next period. - Daily Logging: Track flow, mood, and symptoms. - Fluid Experience: Fast, responsive, and reliable. THE PRIME PROMISE Health tracking should be helpful and, above all, private. With Prime Period, your personal information stays exactly where it belongs: under your control. MEDICAL DISCLAIMER Prime Period is an informational tool and is not intended for contraception or medical diagnosis. Please consult a healthcare professional for medical advice. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fem Cycle Tracker2 screens
Prime Period3 screens

Verdict

The call

The clearest difference is iOS requirement: Fem Cycle Tracker at 13.0 against Prime Period's 16.6. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Fem Cycle Tracker sells 9 in-app purchases, starting at $4.99 per month and Prime Period sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference ยท 5 level
Fem Cycle Tracker versus Prime Period: the parameters behind the verdict, then further details
ParameterFem Cycle TrackerPrime Period
PriceFreeFree
Update frequencyEvery 3 monthsโ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 โ€” better16.6
Further details โ€” not scored
Size209 MB1 MB
Age rating4+4+
Developerๆ˜ญๅฎ ๆŽFigenblad

In-app purchases

9 purchases

Fem Cycle Tracker

Subscriptions9
  • moon version 1$4.991 Month
  • week_origin_version3 Days trial$6.997 Days
  • moon version 2$11.991 Month
Show 6 more
  • year version 2$14.991 Year
  • year version 5$24.991 Year
  • year version 17 Days trial$39.991 Year
  • year version 6$39.991 Year
  • year version 3$49.991 Year
  • year origin version$59.991 Year
2 purchases

Prime Period

Subscriptions2
  • Premium - Monthly$0.991 Month
  • Premium - Yearly$9.991 Year

Questions

Is Fem Cycle Tracker free?
Fem Cycle Tracker is free to download, with in-app purchases available.
Is Prime Period free?
Prime Period is free to download, with in-app purchases available.
Do Fem Cycle Tracker or Prime Period have ads?
Neither Fem Cycle Tracker nor Prime Period shows ads.

Other comparisons