Version history
Bom Calendar - Period tracker
67
ASO score
Text
85/100
Reviews
50/100
Graphic
60/100
Other
0/100
App Rating
4.6
Votes
84.3K
App Age
8y 9m
Last Update
Sep 23, 2025
iAP
$2.39 - 21.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.56
|
4.7
|
-3%
|
|
Number of Ratings (Voted)
|
84.3K
|
811K
|
-90%
|
|
App Age
|
8y 9m
|
8y 8m
|
+1%
|
|
In-app Purchases Price
|
$12
|
$53
|
-77
%
|
|
Update Frequency
|
50d
|
31d
|
+60%
|
|
Title Length
|
29
|
26
|
+12%
|
|
Subtitle Length
|
28
|
27
|
+4%
|
|
Description Length
|
3 782
|
3 264
|
+16%
|
|
Number of Screenshots
|
1560
|
1411
|
+11
%
|
|
Size
|
119MB
|
335MB
|
-65
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Nov 30, 2025 | Dec 07, 2025 |
|---|---|---|
|
No results were found!
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| Top | Nov 30, 2025 | Dec 07, 2025 |
|---|---|---|
|
No results were found!
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| Top | Nov 30, 2025 | Dec 07, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Nov 30, 2025 | Dec 07, 2025 |
|---|---|---|
|
No results were found!
|
||
Ranking Keywords in United States
| Keywords | App Rank |
|---|---|
|
봄 캘린더
|
out
out
|
|
피임
|
out
out
|
|
봄캘린더
|
out
out
|
|
내캘린더
|
out
out
|
|
생리주기
|
out
out
|
|
임신주수
|
out
out
|
|
생리 다이어리로 생리 주기 관리 및 가임기 계산까지
|
out
out
|
|
생리 주기
|
out
out
|
|
생리
|
out
out
|
|
그날
|
out
out
|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
29
of 30
)
Bom Calendar - Period tracker
Subtitle
(
Characters:
28
of 30
)
Check your body with period.
Description
(
Characters:
3782
of 4000
)
- Bom Calendar, a unique period tracker you can customize
Get consistent with Bom Calendar! It’s the app you will want to see daily. Ever wondered when your next period will be? What about the chances of pregnancy? How about sexual interactions? Get the answers you want at any time with Bom Calendar. Customize everything from the calendar display, color, app icon, visibility, and order – all to your preference!
- Period, Schedule, To-Do List: All in One App
Accurate period tracking starts here. Add and manage your schedule and to-do-list with just one tap. Get notifications to keep up with your schedule, lunar calendar, and holidays. Save time and make your day more efficient with Bom Calendar.
- Accurate Pregnancy Probability and Period Cycle Estimation
Did you know only 6% of period tracker apps could accurately predict periods? Bom Calendar uses the same standard contraceptive guidelines and period calculation methods used by the American Board of OBGYN for a more accurate pregnancy probability and cycle prediction.
Learn how to nurture your body. Bom Calendar tracks the female hormones that change daily to let you know what your mood is, your energy level, memory, focus, comprehension, cravings and more.
- Daily Updates About My Body condition
Let Bom Calendar help! Learn about the symptoms and causes of common illnesses for women and how to respond to them.
- My Special Doctor Keeping Up With My Health
It's easy to let your health slip with your busy day-to-day life. No more worries. With Bom Calendar, you can learn about the symptoms and causes of common illnesses for women and how to respond to them.
- Pregnancy Mode for Health Baby
Get weekly updates on the baby's size, the different changes in you and your baby and tips on what to do. Bom Calendar will support you until your baby comes.
- Easy Weight Tracking
No more complicated weight trackers! Simply enter your weight, and the app will show you the healthy weight range and BMI. Achieve your weight goals with Bom Calendar!
- Keep My Data More Securely and Conveniently
Use your email, Google or Apple accounts for an easy, fast sign-up process. We keep your user data safe on our secure server with an auto-backup/restore function even if you change your phone or reinstall our app.
- Share Your Calendar with a Special Someone
Share your calendar to securely and easily share your days. You can customize what information you want to send and when important information is updated.
[Premium]
- You can share your mood and health status with your friends.
- Try a cleaner look without the ads.
- You can simultaneously Sign in to our service from your smartphones and tablets..
- Future additions to the Premium features will also be available at no extra cost.
Privacy policy : https://bomcomes.com/bomcalendar/en/privacy.html
Terms of service : https://bomcomes.com/bomcalendar/en/terms.html
How to "View/Change/Cancel" Subscription : https://support.apple.com/HT202039
For questions or issues while using Bom Calendar, please e-mail help@bomcomes.com ◕‿◕
Bom Calendar used the following sources to provide you with accurate period estimation.
- Kippley, John and Sheila Kippley. The Art of Natural Family Planning. The Couple to Couple League, Cincinnati, OH: 1996.
- Hatcher, RA; Trussel J, Stewart F, et al (2000). 《Contraceptive Technology》New York: Ardent Media.
- ACOG Patient Brochure 049.
- Acog Patient brochure: midlife transition and menopause
- ACOG Medical Student Education Module 2008
- Comprehensive Gynecology. Mishell, Stenchever, Droegemueller, and Herbst. 3rd Edition.
- Textbook of Histology. Bloom and Fawcett 11th edition.
- Emans Laufer and Goldstein Pediatric and Adolescent Gynecology
- ACOG by American congress of obstetricians and gynecologist}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 84.3K |
| App Store Link: | |
| Website: | |
| Email: | - |
| Privacy Policy: | |
| Categories: | Health & Fitness, Productivity |
| Size: | 118MB |
| iAP: | 2.39 - 21.99 $ |
| App Age: | 8 years 9 months |
| Release Date: | Feb 24, 2017 |
| Last Update: | Sep 23, 2025 |
| Version: | 2.4.7 |
Version history
2.4.7
Sep 23, 2025
- Applied a new font for a cleaner and easier reading experience.
- Fixed minor issues and enhanced app usability.
2.4.6
Aug 22, 2025
- Fixed minor issues and enhanced app usability.