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 track your menstrual cycle, predict ovulation, and log symptoms. It offers personalized insights and gentle reminders to help you understand your body better. Designed for simplicity and privacy, it's a comprehensive tool for managing your reproductive health.
- Menstrual cycle tracking
- Ovulation prediction
- Period and flow logging
- Symptom and emotion tracking
- Personalized insights
- Gentle reminders
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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
The clearest difference is review sentiment: Period Tracker at 100% against iFertile's 57%. Period Tracker also leads on update cadence (every 2 weeks vs every 24 months) and rating (5.0 vs 4.7). iFertile's advantage is ratings volume (60 vs 3) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Period Tracker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: iFertile has 60 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 57% of iFertile's written reviews are positive against 100% of Period Tracker's.
iFertile ships an update every 24 months, Period Tracker every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | iFertile | Period Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (60 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 57.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 60 — better | 3 |
| Update frequency | Every 24 months | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 47 MB |
| Age rating | +4 | 12+ |
| Developer | FBF Sistemas LTDA | Rafiki Apps LLC |
Customer experience
iFertile
Period Tracker
In-app purchases
iFertile
No in-app purchases
Period Tracker
No in-app purchases
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
