Comparison

Just A Weight Tracker vs Weight Diary

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

Head to head
About

Just A Weight Tracker

Monitor your weight journey with progress tracking, milestone rewards, and advanced analytics. This app offers instant BMI feedback and clear visuals to keep you motivated. Your data is private and stored locally on your device.

Highlights
  • Progress tracking and achievements
  • Advanced analytics and insights
  • Instant BMI calculation
  • Fast and simple logging
  • Clear charts and visuals
  • Private, local data storage
  • Metric and imperial support
Read full description

Track smarter. Progress faster. Stay motivated. Just a Weight Tracker helps you stay in control of your weight journey with powerful progress tracking, milestone rewards, and advanced analytics - all in a clean, distraction-free app. Perfect for weight loss, gain, or maintenance. ** Why you’ll love Just a Weight Tracker ** - Progress bar & achievements – Stay motivated as you move closer to your goal - Advanced analytics – See trends, pace, averages, and insights to guide your journey - Instant BMI feedback – Automatically calculated from your latest weight - Fast & simple logging – Enter your weight in seconds - Clear charts & visuals – See your progress at a glance - Private by design – No sign-ups, no accounts, no cloud. Data stays on your device unless you choose to export it (no personal details included) - Flexible tracking – Log daily, weekly, or whenever suits you - Metric & imperial support – Choose between kg/lbs and cm/in effortlessly - Data management – Export or import your weight history in CSV or JSON format Whether you're aiming to lose, gain, or maintain, Just a Weight Tracker gives you clarity, motivation, and control - so you can reach your goals with confidence. ** Privacy & Security ** Your data stays private and secure - stored locally on your device. No accounts. No tracking. No personal details shared. ** In-App Purchases & Subscriptions ** Upgrade to Premium for full access to milestones, advanced analytics, and data management features. - Weekly Subscription – Includes a 3-day free trial. - Lifetime Purchase – Pay once and unlock everything forever. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings after purchase. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ** Disclaimer ** This app provides BMI calculations and general health insights for informational purposes only. It is not intended to diagnose, treat, or provide medical advice. Always consult a qualified medical professional for personalized guidance.

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 β€” every entry lands on a color-coded calendar, so a whole month of progress is visible at a glance. β€’ Calendar view β€” entries appear as colored cards on each day, turning your month into a picture. β€’ Context tags β€” log up to 5 entries a day, tagged Fasted, After meal, Workout, or Other. β€’ Smart filters β€” show only your fasted weigh-ins to see your true trend. Toggle any context on or off, in both calendar and stats. β€’ Trend charts β€” see your change over 7 days, 1 month, or 3 months, with period change and average at a glance. β€’ BMI β€” calculated automatically from your height and weight, with healthy-range guidance. β€’ Your units β€” switch between kgΒ·cm and lbΒ·ft anytime. β€’ No sign-up β€” 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. β€’ 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

Screenshots

Just A Weight Tracker4 screens
Weight Diary4 screens

Verdict

The call

The clearest difference is update cadence: Just A Weight Tracker at monthly against Weight Diary's every 5 months. Weight Diary's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Just A Weight Tracker sells 4 in-app purchases, starting at $0.99 per 7 days and Weight Diary sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Just A Weight Tracker ships an update monthly, Weight Diary every 5 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

Scorecard2 real differences Β· 6 level
Just A Weight Tracker versus Weight Diary: the parameters behind the verdict, then further details
ParameterJust A Weight TrackerWeight Diary
PriceFreeFree
Positive reviews76.5% of reviewsβ€”
Update frequencyMonthly β€” betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumβ€”
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.6 β€” better
Further details β€” not scored
Size8 MB24 MB
Age rating4+4+
DeveloperPaul LoughlinJuno Kim

In-app purchases

4 purchases

Just A Weight Tracker

Subscriptions3
  • Weekly Premium Subscription$0.997 Days
  • Monthly Pass$3.991 Month
  • Monthly Premium Subscription$24.991 Year
One-time1
  • Lifetime Premium Unlock$44.99
1 purchases

Weight Diary

Subscriptions1
  • Monthly Subscription$2.991 Month

Questions

Is Just A Weight Tracker free?
Just A Weight Tracker is free to download, with in-app purchases available.
Is Weight Diary free?
Weight Diary is free to download, with in-app purchases available.
Do Just A Weight Tracker or Weight Diary have ads?
Neither Just A Weight Tracker nor Weight Diary shows ads.
Which is updated more often, Just A Weight Tracker or Weight Diary?
Just A Weight Tracker ships an update monthly, and Weight Diary every 5 months. Most recently, Just A Weight Tracker was updated on October 14, 2026 and Weight Diary on October 18, 2026.

Other comparisons