Period Log Downloads & RevenuePeriod Log · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
Developer倩 赵
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.7 (1.2k)
Version8.0
Age rating4+
First seen by us
22 Oct 2026
Full timeline · 3 events
- 🆕Period Log first spotted by AppInsiderUnited States (found via search)
- 📦Period Log version 8.0⁃ Compatible with iOS 26.
⁃ Adds Catalan, Danish, Hebrew, Hungarian, Romanian, Slovak, Swedish and Vietnamese.
⁃ Other minor bugs fixed. - 🆕Period Log released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.7 ★
1.2k ratings
Measured
Period Log on the App Store
App details
App ID
494474881
Publisher
倩 赵
On the store since
Jan 2012
14 years on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
4+
Languages
28
AR CA CS DA NL EN FR DE HE HI HU ID …
Size
56 MB
Also listed in
Medical
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.7 ★
1.2k ratings
Measured
Ratings
1.2k
Measured
About Period Log
Period Log is designed for you to track and predict your fertility and menstrual cycles.
With Period Log, you can track almost everything about your cycles, period days, cycle days, fertile days, ovulation day, flow, mood, symptom, intimate, spotting, breast self-exam, weight, temperature and notes.
Period Log will make you life much easier. You can view details of your cycles at a glance, refer predicting periods to make well plans of date, private life, having baby, visiting doctor, and travel etc, doing something advance for important exam, match etc.
Key Features:
⁃ Screen name is P. Log.
⁃ Track period, ovulation, fertile days, moods, weight and symptoms etc.
⁃ Predict following periods, ovulation and fertile days.
⁃ Two modules are provided to predict your periods, default days and average days.
⁃ Calendar design and icons to show your info visually.
⁃ Add or edit periods easily.
⁃ Receive reminder if periods is comings.
⁃ Receive reminder of breast self-exam.
⁃ Passwords to protect your info.
⁃ Supports Touch ID as passcode.
⁃ Help documents to help you how to use this app.
⁃ Pregnancy module is provided, calculates delivery date and days remains.
⁃ Support units of lbs and kg, °F and °C.
⁃ Supports Wifi backup and restore.
⁃ Supports Dropbox backup and restore.
⁃ Supports transferring data to Health app.
⁃ Supports universal version.
⁃ Supports Apple Watch version.
Let’s your periods in control and prepare well when those days are coming, instead of being overwhelmed by her sudden visit.
Please contact us by this email [email protected] if you have any question or suggestion.
With Period Log, you can track almost everything about your cycles, period days, cycle days, fertile days, ovulation day, flow, mood, symptom, intimate, spotting, breast self-exam, weight, temperature and notes.
Period Log will make you life much easier. You can view details of your cycles at a glance, refer predicting periods to make well plans of date, private life, having baby, visiting doctor, and travel etc, doing something advance for important exam, match etc.
Key Features:
⁃ Screen name is P. Log.
⁃ Track period, ovulation, fertile days, moods, weight and symptoms etc.
⁃ Predict following periods, ovulation and fertile days.
⁃ Two modules are provided to predict your periods, default days and average days.
⁃ Calendar design and icons to show your info visually.
⁃ Add or edit periods easily.
⁃ Receive reminder if periods is comings.
⁃ Receive reminder of breast self-exam.
⁃ Passwords to protect your info.
⁃ Supports Touch ID as passcode.
⁃ Help documents to help you how to use this app.
⁃ Pregnancy module is provided, calculates delivery date and days remains.
⁃ Support units of lbs and kg, °F and °C.
⁃ Supports Wifi backup and restore.
⁃ Supports Dropbox backup and restore.
⁃ Supports transferring data to Health app.
⁃ Supports universal version.
⁃ Supports Apple Watch version.
Let’s your periods in control and prepare well when those days are coming, instead of being overwhelmed by her sudden visit.
Please contact us by this email [email protected] if you have any question or suggestion.
Latest updates
8.0
⁃ Compatible with iOS 26.
⁃ Adds Catalan, Danish, Hebrew, Hungarian, Romanian, Slovak, Swedish and Vietnamese.
⁃ Other minor bugs fixed.