Diet Diary DaDa vs Weight Diary
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Diet Diary DaDa
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Diet Diary DaDa is a weight tracker with one job: record what you weigh. Nothing else. No calories, no meals, no photos, no endless settings. Open the app, pick a date, type your weight in kg, and you're done. One entry per day - saving the same date again simply replaces it, and future dates aren't allowed. Three charts, one scrolling screen - Bar chart of your last 20 days, color-coded by range with the value on every bar - Trend line for the last 30 days with your average marked; tap any point to see that day's date and weight - Distribution circle covering every record you have, with a legend for each range Your records Entries are grouped by year. Tap one to edit it, swipe or long-press to delete it, or clear them all at once. Moving to a new phone Copy your whole history to the clipboard as text, then paste it into DaDa on the new device to restore it. Restoring replaces the data already there. No account, no sign-in, no server. Everything stays on your phone and the app works completely offline. Free, supported by a banner ad.
Weight Diary
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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
Verdict
The clearest difference is in-app purchases: Diet Diary DaDa at none against Weight Diary's 1. Diet Diary DaDa also leads on update cadence (every 3 weeks vs every 5 months). Weight Diary's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price 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
Both are free to download. Weight Diary sells 1 in-app purchase, starting at $0.99 per month. Diet Diary DaDa asks for nothing beyond the download.
Diet Diary DaDa ships an update every 3 weeks, Weight Diary every 5 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.
| Parameter | Diet Diary DaDa | Weight Diary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Every 5 months |
| Ads | Yes | No β better |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone, iPod β better |
| Requires iOS | 17.0 | 15.6 β better |
| Further details β not scored | ||
| Size | 4 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Seonggon Sim | Juno Kim |
In-app purchases
Diet Diary DaDa
No in-app purchases
Weight Diary
- Monthly Subscription$0.991 Month
Questions
Is Diet Diary DaDa free?
Is Weight Diary free?
Do Diet Diary DaDa or Weight Diary have ads?
Which is updated more often, Diet Diary DaDa or Weight Diary?
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