Comparison

Weight Diary vs Diet Diary DaDa

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

Head to head
About

Weight Diary

Easily log your weight, body fat percentage, and nutrition to track progress towards your health goals. Visualize your journey with intuitive graphs and a calendar view, and customize the app to suit your needs. Share your progress with others and stay motivated.

Highlights
  • Log weight, body fat, nutrition, activity, and mood
  • Calendar view for daily logging overview
  • Graphs for weekly, monthly, and yearly progress
  • Customizable logging fields
  • Data import from other health apps
  • Password protection for privacy
  • Push notification reminders
Features
Read full description

'Weight Diary' is an app that allows you to easily log your weight and body fat percentage, calculate BMI, and track your progress by date. Keep logging consistently and reach your weight goals! Are you looking for a weight tracking app without complex features? Do you want to keep a log of your progress toward your diet goals? Do you want to manage your weight, body fat percentage, and BMI consistently? Do you want to measure if your bulk-up(weight gain) is going well? 'Weight Diary' is perfect for those who want to consistently track their body and nutrition. Features: ■ Log your weight, body fat percentage, nutrition, activity, and mood - Move the scale left and right to enter your weight easily. - Use cute emojis to express your nutrition and mood. - If you have done weight loss activities, you can add and enter activities such as 'swimming', 'jogging', and 'pilates'. - If you missed logging yesterday, you can move the date and log it. - If you entered the wrong weight, you can enter it again and overwrite it. - If you feel like there are too many things to log, you can hide everything except your weight in settings. ■ Understand what you have logged at a glance with a calendar - You can track if there are any dates that you missed logging at the calendar. - You can track how you felt and what you ate on a particular day. - You can share your weight calendar with your trainer or friends. ■ Manage your body and nutrition status with graphs - Watch the changes in your weight and body fat percentage on a weekly, monthly, and yearly basis. - Watch the statistics of your mood, nutrition, and activity for each period. - Measure if you are progressing well towards your weight, BMI, and body fat percentage goal. - You can share your weight graph with your trainer or friends. ■ Customize the app for your convenience - If your current height or weight goal has changed, you can re-enter it. - You can hide body fat percentage, activity, today's mood, and diet if you don't want to enter them. - You can receive push notifications to remind you of logging. - You can set a password for the app to protect your privacy. - Do you already have weight and body fat percentage data recorded in a health app? You can import the data into this app at any time and log it simultaneously. Keep logging your body & nutrition status and achieve your goals! We have prepared various features necessary for you to log your body & nutrition status. If you feel uncomfortable or need more features, please let us know in the app review! help+weightjournal@openrhapsody.com Privacy Policy: https://adrop.notion.site/studio-privacy Terms of Use (EULA): https://adrop.notion.site/studio-terms

About

Diet Diary DaDa

Features
Read full description

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.

Screenshots

Weight Diary4 screens
Diet Diary DaDa4 screens

Verdict

The call

The clearest difference is in-app purchases: Diet Diary DaDa at none against Weight Diary's 2. Weight Diary's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price and device support 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 2 in-app purchases, starting at $1.99 per month. Diet Diary DaDa asks for nothing beyond the download.

UpkeepUpdate frequency

Weight Diary ships an update weekly, Diet Diary DaDa every 3 weeks. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 6 level
Weight Diary versus Diet Diary DaDa: the parameters behind the verdict, then further details
ParameterWeight DiaryDiet Diary DaDa
PriceFreeFree
Rating4.5 (36 ratings) — better
Positive reviews95.7% of reviews
Number of ratings36 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size102 MB4 MB
Age rating4+4+
DeveloperOpenRhapsodySeonggon Sim

In-app purchases

2 purchases

Weight Diary

Subscriptions2
  • Remove Ads (Monthly)$1.991 Month
  • Remove Ads (Yearly)$6.991 Year
None

Diet Diary DaDa

No in-app purchases

Questions

Is Weight Diary free?
Weight Diary is free to download, with in-app purchases available.
Is Diet Diary DaDa free?
Diet Diary DaDa is free to download, with no in-app purchases.
Do Weight Diary or Diet Diary DaDa have ads?
Diet Diary DaDa shows ads; Weight Diary does not.
Which is updated more often, Weight Diary or Diet Diary DaDa?
Weight Diary ships an update weekly, and Diet Diary DaDa every 3 weeks. Most recently, Weight Diary was updated on September 19, 2026 and Diet Diary DaDa on September 17, 2026.

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