iFertracker vs Period
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iFertracker
This app helps users track their menstrual cycles and identify their fertile window for conception. It uses basal body temperature data to predict ovulation and suggest optimal times for intercourse. Users can visualize their cycle data and share BBT charts for medical consultation.
- Ovulation prediction
- Fertile window identification
- Menstrual cycle tracking
- Basal body temperature charting
- Health App integration
- Data visualization
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iFertracker, a smart basal-body-temperature (BBT) thermometer developed by Raiing Medical Company, is to track the best time to try and conceive. Connecting with the iFertracker App, iFertracker can easily tell you the phases of your menstrual cycle, fertile window, and help you arrange intercourse accordingly. Key functions are: [Find the right time] - Wear the iFertracker overnight, you will get precise basal body temperature for ovulation prediction and the best time for intercourse. [Understand your menstrual cycles] - Menstrual cycles are illustrated in a visual and intuitive way based on consecutive and precise data, getting you ready for the approaching period. [BBT chart] - BBT chart is available for further medical consulting and professional diagnosis. iFertracker has integrated with the Health App and you can sync your basal body temperature and menstruation data to the Health app (requires iOS8). Raiing Medical is a data driven, healthcare service company, dedicated to reproductive health.
Period
Track your menstrual cycle, log period dates, ovulation test results, and symptoms. Gain insights into fertility probability based on your cycle length. This app helps predict periods and monitor cycles.
- Menstrual cycle tracking
- Period logging
- Ovulation test logging
- Symptom tracking
- Fertility probability insights
- Cycle length comparison
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View where you are in your cycle with the Period Tracker app. You have the option to manually log your periods, ovulation test results and keep track of your menstrual cycle symptoms. Get insights into how the probability of peak fertility varies for women with the same cycle length as you. This app is designed for use by women who want to predict their periods, track their cycles or try for a baby. It should not be used as a method of contraception.
Screenshots
Verdict
The clearest difference is rating: Period at 4.9 against iFertracker's 3.1. Period also leads on ratings volume (2.4K vs 55) and review sentiment (54% vs 40%). iFertracker's advantage is iOS requirement (10.0 vs 13.0). On price, update cadence, ads and in-app purchases 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 holds the better App Store score, 4.9 against 3.1. That said, the two scores are not equally well evidenced: Period has 2.4K ratings behind it against 55, so its average is the more settled of the two. Written reviews point the same way: 40% of iFertracker's written reviews are positive against 54% of Period's.
iFertracker ships an update every 2 months, Period monthly. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.
| Parameter | iFertracker | Period |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (55 ratings) | 4.9 (2.4K ratings) — better |
| Positive reviews | 40.0% of reviews | 53.8% of reviews — better |
| Number of ratings | 55 | 2.4K — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 47 MB | 56 MB |
| Age rating | 17+ | 12+ |
| Developer | Raiing Medical Company | SPD Development Company Ltd |
Customer experience
iFertracker
Period
Bugs and requests
iFertracker
Not enough reviews yet to summarise bugs or requests.
Period
Reported bugs
3 issues- Dates and data getting changed after updates
- Calendar not populating after updates
- Whole calendar getting erased after updates
Requested features
2 requests- Add option to log basal body temperature
- Improve notification customization
In-app purchases
iFertracker
No in-app purchases
Period
No in-app purchases
Questions
Is iFertracker free?
Is Period free?
Which has better reviews, iFertracker or Period?
Do iFertracker or Period have ads?
Which is updated more often, iFertracker or Period?
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