WeightDiary - Track better you
体重日记 - AI 健康减肥瘦身,记录更好的自己
WeightDiary - Track better you is #34 in Health & Fitness Free in China and charting in 1 of 24 countries we track.
Updated 28 Sep 2026 · rankings refresh through the day
Developer青岛四正木每网络科技有限公司
CategoryHealth & Fitness
PriceFree
Released
Rating★ 4.9 (17k)
Version3.8.8
Age rating4+
First seen by us
25 Sep 2026
Installs (est.)1M+ worldwide
Rating
4.9 ★
17k ratings
Measured
Best rank now
#34
Measured
WeightDiary - Track better you on the App Store
App details
App ID
1662819197
Publisher
Qingdao Sizheng Mumei Network Technology Co., Ltd.
On the store since
Jan 2023
3 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
5
EN JA KO ZH ZH
Size
103 MB
Also listed in
Utilities
WeightDiary - Track better you downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where WeightDiary - Track better you's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Health & FitnessFree | #34 |
Apps near WeightDiary - Track better you on the chart
Health & Fitness Free, around #34.
Ratings
App Store, worldwide.
Rating
4.9 ★
17k ratings
Measured
Ratings
17k
Measured
About WeightDiary - Track better you
#Chosen by millions #Weight management app
Weight Diary is a beautiful, simple, and full-featured weight tracking app.
We focus on clear design and easy use—no anxiety, just the numbers that matter.
◆ Weight Diary works with Apple Health: sync weight and body fat data in both directions.
Weight Diary is built around weight logging, with body fat, measurements, diet, exercise, and private notes and memos. Customize the app with themes, templates, and settings.
◆ What can Weight Diary do?
- Record weight: A minimalist dialog with full functionality — log weight, status, time, body photos, units, notes, and more
- Record measurements: Easily log a variety of body measurements, with a list that shows how the values change
- All-around tracking: Water, diet, exercise, bowel movements, and periods — track your weight-loss daily life from every angle
- Intermittent fasting: Multiple fasting plans; record your fasting and eating windows with a timer and reminders to support fat loss
- AI Assistant: A smart assistant that logs your weight and more through chat, and offers relevant tips
- Calorie Recognition: Snap a photo or describe your food — AI identifies it, estimates the calories, and logs it to your daily diet in one tap
- Timeline home: Weight entries in reverse chronological order, showing the value, change, body photo, status, notes, and more
- Trend chart: Filter by various date ranges to view weight or measurement trends and the change over that period; custom ranges supported
- Diary: Keep a diary of the ups and downs of your weight-loss journey and everyday moments
- Check-in calendar: A calendar view of daily ups and downs, with body photos forming a beautiful photo calendar
- Widgets: A variety of home-screen widgets so you can check in without opening the app, matching your chosen skin
- Sharing: Multiple share templates — classic, trend, calendar, comparison photo, and text — there's one for everyone
- Data backup: Back up your data to the cloud so nothing is lost when you change phones or platforms
- Weight report: An analysis of the body metrics for each entry, with average indicators based on age, gender, height, and more
- Body photo upload: Add body photos to your weight entries
- Gallery: View body photos in a timeline or list, and admire a better you
- Comparison photos: Pick two photos in the gallery to create a before-and-after and share your hard-won progress
- Colorful theme skins: A range of skins to switch your mood with a single tap
- Export to Excel: Export your records to a spreadsheet and save data across multiple dimensions
- Various weight emojis: Use a variety of emojis for the ups and downs in your list
- Personal settings: Record your age, height, gender, weight unit, goal weight, and plan start date
- Comprehensive settings: Extensive options for trends, calendar, list, and more, giving you plenty of choices
- Account & security: Change your avatar and nickname, link your email, change your password, and more
-
Weight Diary is a beautiful, simple, and full-featured weight tracking app.
We focus on clear design and easy use—no anxiety, just the numbers that matter.
◆ Weight Diary works with Apple Health: sync weight and body fat data in both directions.
Weight Diary is built around weight logging, with body fat, measurements, diet, exercise, and private notes and memos. Customize the app with themes, templates, and settings.
◆ What can Weight Diary do?
- Record weight: A minimalist dialog with full functionality — log weight, status, time, body photos, units, notes, and more
- Record measurements: Easily log a variety of body measurements, with a list that shows how the values change
- All-around tracking: Water, diet, exercise, bowel movements, and periods — track your weight-loss daily life from every angle
- Intermittent fasting: Multiple fasting plans; record your fasting and eating windows with a timer and reminders to support fat loss
- AI Assistant: A smart assistant that logs your weight and more through chat, and offers relevant tips
- Calorie Recognition: Snap a photo or describe your food — AI identifies it, estimates the calories, and logs it to your daily diet in one tap
- Timeline home: Weight entries in reverse chronological order, showing the value, change, body photo, status, notes, and more
- Trend chart: Filter by various date ranges to view weight or measurement trends and the change over that period; custom ranges supported
- Diary: Keep a diary of the ups and downs of your weight-loss journey and everyday moments
- Check-in calendar: A calendar view of daily ups and downs, with body photos forming a beautiful photo calendar
- Widgets: A variety of home-screen widgets so you can check in without opening the app, matching your chosen skin
- Sharing: Multiple share templates — classic, trend, calendar, comparison photo, and text — there's one for everyone
- Data backup: Back up your data to the cloud so nothing is lost when you change phones or platforms
- Weight report: An analysis of the body metrics for each entry, with average indicators based on age, gender, height, and more
- Body photo upload: Add body photos to your weight entries
- Gallery: View body photos in a timeline or list, and admire a better you
- Comparison photos: Pick two photos in the gallery to create a before-and-after and share your hard-won progress
- Colorful theme skins: A range of skins to switch your mood with a single tap
- Export to Excel: Export your records to a spreadsheet and save data across multiple dimensions
- Various weight emojis: Use a variety of emojis for the ups and downs in your list
- Personal settings: Record your age, height, gender, weight unit, goal weight, and plan start date
- Comprehensive settings: Extensive options for trends, calendar, list, and more, giving you plenty of choices
- Account & security: Change your avatar and nickname, link your email, change your password, and more
-
Latest updates
3.8.8
Here's what's new in this update:
- New: Calendar view for Notes
- New: Total goal duration in days (requires both start and end dates to be set)
- New: Edit/delete records by chatting with AI
- New: Daytime fluctuations, overnight changes, and more for morning/evening weights in the weight calendar
- New: Timeline sorting in the weight calendar
- New: Option to hide diet, exercise, and water intake in Summary sharing
- Improved: Weight entries in the calendar timeline now show status and trends
- Improved: The trend chart in goal details now consistently uses the latest recorded values
- Improved: Number display in Summary sharing
- Improved: Tap the weight unit to switch units
- Improved: Expanded food database
- Fixed: Unable to enter email verification codes
- Fixed: Truncated descriptions on the home screen calorie card
- Fixed: Known usability issues and bugs
If you have any questions or suggestions, please let us know via 【Profile】-【About】-【Contact us】!