Comparison

SmileReaderA Ovulation tracker vs Period

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

Head to head
About

SmileReaderA Ovulation tracker

This app helps users track ovulation and menstrual cycles to increase the chances of conception. It allows for image scanning of ovulation tests, logging of daily metrics like temperature and mood, and sharing information with a partner. The goal is to personalize family planning and identify peak fertility windows.

Highlights
  • Ovulation test image scanning
  • Pregnancy test logging
  • Personalized ovulation calendar
  • Daily log for BBT, mucus, mood, weight
  • Information sharing with partner
  • Fertility window estimation
Features
Read full description

SmileReader: Personalize your Family Planning We helps you get pregnant faster. The app helps you map everything out so you know when you have your best chances of conceiving. **App Features - Ovulation Tests: When you take pictures of our ovulation tests, you get to track the results directly inside this app. Map out your cycles and know exactly when you are ready to conceive. - Pregnancy Tests: We also provide pregnancy tests as well, which can be logged inside this app. - Ovulation Calendar: Track your personal period calendar so you know when you are at peak ovulation for the best chances of a pregnancy. - Image Scanning: Quickly scan the results of your SmileReader tests with the app. We then use technology to configure them into your own cycle. - Daily Log: You can also use the app to log in basal body temperature, changes in your cervical mucus, and even your mood and weight to increase the accuracy of prediction. - Information Sharing: Share information, dates, and ovulation info with your partner so they can be in-the-know as well. **How to Use 1. Enter your latest menstrual cycle. 2. Find out your estimated fertility window and the expected date of your next period. ** To detect more accurate fertile days, 1. Start ovulation testing on the date the app suggests. 2. Get reminders from the app to test on time. 3. Take a picture of a test strip, after dipping it in urine. 4. Keep testing until you identify your most fertile days. 5. Record signals of ovulation, moods and body temperature. 6. Monitor your pattern of period and ovulation. 7. Share your information with your partner. **Disclaimer The SmileReader app only works with test strips of PREGABLE. This app is merely designed to help you track your ovulation cycle for your best chances at pregnancy. The app is not a medical device and does not provide medical diagnosis. The index on the app is intended solely for tracking trends, not for providing specific clinical mIU/mL measurements. Please use this data for reference purposes only, and always consult a professional doctor for any medical decisions or health concerns.

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

SmileReaderA Ovulation tracker4 screens
Period4 screens

Verdict

The call

The clearest difference is rating: Period at 4.9 against SmileReaderA Ovulation tracker's 2.1. Period also leads on ratings volume (2.9K vs 21) and review sentiment (54% vs 38%). 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 2.1. That said, the two scores are not equally well evidenced: Period has 2.9K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 38% of SmileReaderA Ovulation tracker's written reviews are positive against 54% of Period's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
SmileReaderA Ovulation tracker versus Period: the parameters behind the verdict, then further details
ParameterSmileReaderA Ovulation trackerPeriod
PriceFreeFree
Rating2.1 (21 ratings)4.9 (2.9K ratings) — better
Positive reviews37.5% of reviews53.8% of reviews — better
Number of ratings212.9K — better
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size132 MB56 MB
Age rating12+12+
DeveloperSmilelab Corp.SPD Development Company Ltd

Customer experience

SmileReaderA Ovulation tracker

All ratings21 ratings
Positive28.6%
Neutral0.0%
Negative71.4%
Written reviews8 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

Period

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

Bugs and requests

SmileReaderA Ovulation tracker

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

SmileReaderA Ovulation tracker

No in-app purchases

None

Period

No in-app purchases

Questions

Is SmileReaderA Ovulation tracker free?
SmileReaderA Ovulation tracker 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, SmileReaderA Ovulation tracker or Period?
Period is rated higher. SmileReaderA Ovulation tracker averages 2.1 out of 5 from 21 ratings, while Period averages 4.9 from 2.9K ratings.
Do SmileReaderA Ovulation tracker or Period have ads?
Neither SmileReaderA Ovulation tracker nor Period shows ads.
Which is updated more often, SmileReaderA Ovulation tracker or Period?
SmileReaderA Ovulation tracker ships an update monthly, and Period monthly. Most recently, SmileReaderA Ovulation tracker was updated on November 3, 2026 and Period on November 8, 2026.

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