iFertile vs Period Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iFertile
This app estimates a woman's fertile period using the rhythm method. It's designed for those trying to conceive by identifying optimal times for pregnancy. While it can be used as a contraceptive, its effectiveness is limited.
- Fertile period estimation
- Rhythm method calculations
- Pregnancy planning tool
- Contraceptive method (limited security)
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The rhythm method is based on calculations to estimate the fertile period of a woman. It can be a contraceptive method, but not very secure. It is most suitable for women who want to become pregnant so they need to know the fertile period.
Period Tracker
This app helps you understand your body by tracking your menstrual cycle, predicting ovulation, and logging symptoms. It offers gentle reminders and personalized insights to make managing your cycle easier.
- Log period, flow, and symptoms
- Ovulation and fertile window prediction
- Cycle prediction and pattern spotting
- Track emotions, energy, stress, and notes
- Gentle reminders for periods and ovulation
- Personalized insights
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Meet Ruby – your simple, smart, and free period tracker. Whether you want to track your menstrual cycle, get accurate ovulation predictions, or simply have a clue about your period, Ruby makes it easy to understand your body. Think of it as having Aunt Flo, Aunt Ruby, and your own personal cycle tracker all in one app. With Ruby, you can: - Log your period, flow, and symptoms with just a tap - Use our ovulation tracker to know your most fertile days - Predict cycles with a free period tracker that adapts to you - Track emotions, energy, stress, and notes in one place - Get gentle reminders for upcoming periods, ovulation, and fertile windows Why choose Ruby? - Simple & private – Easy to use, built with privacy in mind. - Your cycle, your way – From teens starting their first period, to women tracking fertility, pregnancy, or perimenopause. - More than a calendar – Ruby helps you spot patterns, manage PMS, and make your cycle feel less of a mystery. How Ruby Stands Out - Have a lively cycle every month with personalized insights. - Finally, an app that helps you truly have a clue about your period. - Forget “my cycle” being hard to remember—Ruby keeps it all logged for you. It's just a clean free period app experience. Privacy policy: https://bit.ly/rafiki-privacy-policy Terms of use: https://bit.ly/rafiki-terms-of-service
Screenshots
Verdict
iFertile and Period Tracker both sit at 4.7 stars, but that hides the real split: 100% of Period Tracker's written reviews are positive against 57% of iFertile's. Period Tracker also leads on update cadence (fortnightly vs every 24 months). iFertile's advantage is in-app purchases (none vs 1) and ratings volume (62 vs 17). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Period Tracker sells 1 in-app purchase, starting at $29.99 per year. iFertile asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for iFertile against 4.8 for Period Tracker. Both are backed by a comparable volume of ratings — 62 and 17 respectively. Written reviews are what separate them: 57% of iFertile's written reviews are positive against 100% of Period Tracker's.
iFertile ships an update every 24 months, Period Tracker fortnightly. Both last shipped on November 14, 2026.
| Parameter | iFertile | Period Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (62 ratings) | 4.8 (17 ratings) — better |
| Positive reviews | 57.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 62 — better | 17 |
| Update frequency | Every 24 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 53 MB |
| Age rating | 4+ | 12+ |
| Developer | FBF Sistemas LTDA | Rafiki Apps |
Customer experience
iFertile
Period Tracker
In-app purchases
iFertile
No in-app purchases
Period Tracker
- Ruby Premium7 Days trial$29.991 Year
Questions
Is iFertile free?
Is Period Tracker free?
Which has better reviews, iFertile or Period Tracker?
Do iFertile or Period Tracker have ads?
Which is updated more often, iFertile or Period Tracker?
Other comparisons
