# Diet Diary DaDa vs Weight Diary

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). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Weight Diary sells 1 in-app purchase, starting at $2.99 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 October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Diet Diary DaDa | Weight Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 38 MB | 24 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seonggon Sim](https://appshunter.io/developer/1565259950) | [Juno Kim](https://appshunter.io/developer/1790513505) |

## What reviewers say

### Diet Diary DaDa

[App page](https://appshunter.io/ios/app/diet-diary-dada-weight-log/id6499539149)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Weight Diary

[App page](https://appshunter.io/ios/app/weight-diary-weight-tracker/id6740751760)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |


## Frequently asked questions

### Is Diet Diary DaDa free?

Diet Diary DaDa is free to download, with no in-app purchases.

### Is Weight Diary free?

Weight Diary is free to download, with in-app purchases available.

### Do Diet Diary DaDa or Weight Diary have ads?

Diet Diary DaDa shows ads; Weight Diary does not.

### Which is updated more often, Diet Diary DaDa or Weight Diary?

Diet Diary DaDa ships an update every 3 weeks, and Weight Diary every 5 months. Most recently, Diet Diary DaDa was updated on October 30, 2026 and Weight Diary on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*