Comparison

Weight Diary vs Weight Tracker

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

Head to head
About

Weight Diary

Features
Read full description

Logging your weight takes 3 seconds. Open the app, tap +, done. Weight Diary is the simplest way to track your weight — every entry lands on a color-coded calendar, so a whole month of progress is visible at a glance. • Calendar view — entries appear as colored cards on each day, turning your month into a picture. • Context tags — log up to 5 entries a day, tagged Fasted, After meal, Workout, or Other. • Smart filters — show only your fasted weigh-ins to see your true trend. Toggle any context on or off, in both calendar and stats. • Trend charts — see your change over 7 days, 1 month, or 3 months, with period change and average at a glance. • BMI — calculated automatically from your height and weight, with healthy-range guidance. • Your units — switch between kg·cm and lb·ft anytime. • No sign-up — everything stays on your device. No account, no ads. [Premium] Unlock 6-month and 1-year trends, plus viewing and editing entries older than 3 months, with a Premium subscription. • Subscriptions renew monthly and can be cancelled anytime in iOS Settings > Apple Account > Subscriptions. Payment is charged to your Apple ID account, and the subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Terms of Use: https://juno1028.github.io/weight-tracker-legal/terms.html Privacy Policy: https://juno1028.github.io/weight-tracker-legal/privacy.html

About

Weight Tracker

Features
Read full description

Log your weight once a day, in a few seconds. What you can do • Quick logging: type a number or tap ±0.1 and ±1 kg buttons • See your trend: charts from 1 week to all time, with average, lowest and highest • Set a goal: pick a starting and goal weight and see how far you have left • AI forecast: estimates your weight in 30 days and when you may reach your goal, based on your recent logs (for reference only) • Apple Health import: bring in the weight logs you already have • Export: save all your logs as a CSV file • Daily reminder: a nudge only on days you haven't logged yet • Widgets: see today's log, your latest weight and your streak on the Home and Lock Screen • Start without an account, then continue with Apple or Google Use pounds (lb) or kilograms (kg). Switch anytime in Settings. The AI forecast isn't medical advice. Talk to a medical professional about health decisions.

Screenshots

Weight Diary4 screens
Weight Tracker4 screens

Verdict

The call

The clearest difference is ads: Weight Diary at none against Weight Tracker's shown. Weight Tracker's advantage is update cadence (every 4 days vs every 5 months). On price, in-app purchases, device support 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. Weight Diary sells 1 in-app purchase, starting at $2.99 per month and Weight Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Weight Diary ships an update every 5 months, Weight Tracker every 4 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
Weight Diary versus Weight Tracker: the parameters behind the verdict, then further details
ParameterWeight DiaryWeight Tracker
PriceFreeFree
Update frequencyEvery 5 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better16.4
Further details — not scored
Size24 MB84 MB
Age rating4+4+
DeveloperJuno KimSEONGHOON JEON

In-app purchases

1 purchases

Weight Diary

Subscriptions1
  • Monthly Subscription$2.991 Month
1 purchases

Weight Tracker

One-time1
  • 몸무게 기록 프리미엄$3.99

Questions

Is Weight Diary free?
Weight Diary is free to download, with in-app purchases available.
Is Weight Tracker free?
Weight Tracker is free to download, with in-app purchases available.
Do Weight Diary or Weight Tracker have ads?
Weight Tracker shows ads; Weight Diary does not.
Which is updated more often, Weight Diary or Weight Tracker?
Weight Diary ships an update every 5 months, and Weight Tracker every 4 days. Most recently, Weight Diary was updated on October 18, 2026 and Weight Tracker on October 24, 2026.

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