Comparison

MyWeight Assistant vs Body Diary

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

Head to head
About

MyWeight Assistant

Track your weight changes and body measurements with this app. Document progress with daily or weekly weigh-ins, monitor BMI, and visualize your success with clear historical data and graphical views. Set goals and receive reminders to stay motivated on your fitness journey.

Highlights
  • Track daily/weekly weigh-ins
  • Monitor BMI, body fat, muscle mass
  • Set target weight and time period
  • Compare body measurements and photos
  • Statistical and graphical views
  • Daily/weekly reminders
  • Import/export data to Apple Health
Features
Read full description

See your progress, not just a number: MyWeight Assistant keeps your weight history, BMI and body measurements in one place – day after day. Log your weight in seconds, set a target, watch the curve. Add body fat, muscle mass and measurements to see what is really changing, even on the days the scale stands still. FEATURES • Log your weight daily or weekly, with a clear history • Current BMI (body mass index) and a smoothed average curve • Set a target weight and a time frame, then track your progress • Statistics and charts for weight, BMI and body measurements • Save charts as an image and share them • Daily or weekly weigh-in reminders • Apple Health: import and export your weight data • CSV import and export • Simple, uncluttered handling WITH MYWEIGHT PREMIUM • No ads • Automatic cloud backup – daily, weekly or monthly – and restore on a new device • Track body fat percentage and muscle mass alongside your weight • Measure neck, chest, upper arms, waist, hips, thighs and more, and compare photos • Multiple profiles on one device, for the whole family • Passcode lock at launch: six-digit code, Face ID or Touch ID MyWeight Assistant can sync your weight data with the Apple Health app. MyWeight Assistant uses the default Health app on your iPhone to display your existing weight data and store new weight data. Therefore, MyWeight Assistant will ask for read and write access to your weight data. Terms of use: https://langsoftware.de/?page_id=272 and Privacy policy: https://langsoftware.de/?page_id=233 Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

About

Body Diary

Track daily body changes beyond just weight, including circumference and physical state. Analyze your data to adjust your plan for safe and healthy progress towards your fitness goals.

Highlights
  • Record daily body changes
  • Track weight, circumference, and physical state
  • Analyze data for plan adjustments
  • Set fitness goals
  • Motivate progress
Features
Read full description

Weight loss is a very popular topic at the moment. Some people say that "weight loss is the career of a lifetime". Weight loss is people's pursuit of beauty, but also the pursuit of health. But scientific weight loss should not only focus on changes in body weight, but more importantly, changes in body circumference and physical state. Recording your body changes every day is to leave some traces of the years, and also to motivate yourself to move forward. More importantly, you can adjust your plan through the analysis of the data to ensure the safety and health of the road to weight loss. Set a goal for yourself now, make a plan, and make yourself more disciplined and in a better mood. - Terms of Use: https://github.com/Yonhou/Privacy-Policy/wiki/Terms-of-Use - Privacy Policy: https://github.com/Yonhou/Privacy-Policy/wiki/Privacy-Policy Any questions, please contact: Email: i.punk@qq.com

Screenshots

MyWeight Assistant4 screens
Body Diary4 screens

Verdict

The call

The clearest difference is rating: MyWeight Assistant at 4.0 against Body Diary's 3.5. MyWeight Assistant also leads on ratings volume (11 vs 2). Body Diary's advantage is ads (none vs shown) and update cadence (every 9 days vs every 3 months). On price, in-app purchases, monetization model and iOS requirement 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. MyWeight Assistant sells 2 in-app purchases, starting at $1.99 per month and Body Diary sells 4 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MyWeight Assistant holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: MyWeight Assistant has 11 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

MyWeight Assistant ships an update every 3 months, Body Diary every 9 days. The most recent releases landed on November 3, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
MyWeight Assistant versus Body Diary: the parameters behind the verdict, then further details
ParameterMyWeight AssistantBody Diary
PriceFreeFree
Rating4.0 (11 ratings) — better3.5 (2 ratings)
Positive reviews22.7% of reviews—
Number of ratings11 — better2
Update frequencyEvery 3 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size106 MB6 MB
Age rating4+4+
DeveloperSebastian Lang永超 侯

Customer experience

MyWeight Assistant

All ratings11 ratings
Positive72.7%
Neutral9.1%
Negative18.2%
Written reviews22 reviews
Positive22.7%
Neutral4.5%
Negative72.7%

Body Diary

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

MyWeight Assistant

Subscriptions2
  • Monthly subscription Premium$1.991 Month
  • Year Subscription Premium$9.991 Year
4 purchases

Body Diary

Subscriptions3
  • VIP Membership$1.491 Month
  • Vip Membership$3.993 Months
  • VIP membership$11.991 Year
One-time1
  • Remove Ads$2.99

Questions

Is MyWeight Assistant free?
MyWeight Assistant is free to download, with in-app purchases available.
Is Body Diary free?
Body Diary is free to download, with in-app purchases available.
Which has better reviews, MyWeight Assistant or Body Diary?
MyWeight Assistant is rated higher. MyWeight Assistant averages 4.0 out of 5 from 11 ratings, while Body Diary averages 3.5 from 2 ratings.
Do MyWeight Assistant or Body Diary have ads?
MyWeight Assistant shows ads; Body Diary does not.
Which is updated more often, MyWeight Assistant or Body Diary?
MyWeight Assistant ships an update every 3 months, and Body Diary every 9 days. Most recently, MyWeight Assistant was updated on November 3, 2026 and Body Diary on October 15, 2026.

Other comparisons