Comparison

iFertracker vs Period

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

Head to head
About

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.

Highlights
  • Ovulation prediction
  • Fertile window identification
  • Menstrual cycle tracking
  • Basal body temperature charting
  • Health App integration
  • Data visualization
Features
Read full description

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.

About

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.

Highlights
  • Menstrual cycle tracking
  • Period logging
  • Ovulation test logging
  • Symptom tracking
  • Fertility probability insights
  • Cycle length comparison
Read full description

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

iFertracker3 screens
Period4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

iFertracker ships an update every 2 months, Period monthly. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
iFertracker versus Period: the parameters behind the verdict, then further details
ParameteriFertrackerPeriod
PriceFreeFree
Rating3.1 (55 ratings)4.9 (2.4K ratings) — better
Positive reviews40.0% of reviews53.8% of reviews — better
Number of ratings552.4K — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size47 MB56 MB
Age rating17+12+
DeveloperRaiing Medical CompanySPD Development Company Ltd

Customer experience

iFertracker

All ratings55 ratings
Positive47.3%
Neutral7.3%
Negative45.5%
Written reviews45 reviews
Positive40.0%
Neutral8.9%
Negative51.1%

Period

All ratings2,408 ratings
Positive97.0%
Neutral1.0%
Negative2.0%
Written reviews65 reviews
Positive53.8%
Neutral13.8%
Negative32.3%

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

None

iFertracker

No in-app purchases

None

Period

No in-app purchases

Questions

Is iFertracker free?
iFertracker is free to download, with no in-app purchases.
Is Period free?
Period is free to download, with no in-app purchases.
Which has better reviews, iFertracker or Period?
Period is rated higher. iFertracker averages 3.1 out of 5 from 55 ratings, while Period averages 4.9 from 2.4K ratings.
Do iFertracker or Period have ads?
Neither iFertracker nor Period shows ads.
Which is updated more often, iFertracker or Period?
iFertracker ships an update every 2 months, and Period monthly. Most recently, iFertracker was updated on September 28, 2026 and Period on October 1, 2026.

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