# Weight Diary vs Watch Weight

The clearest difference is review sentiment: Weight Diary at 97% against Watch Weight's 47%. Weight Diary also leads on rating (4.9 vs 4.2) and in-app purchases (none vs 1). Watch Weight's advantage is price (Free vs $7.99) and iOS requirement (17.0 vs 26.0). On update cadence, ads, monetization model and device support there is nothing between them.

Watch Weight is free to download; Weight Diary costs $7.99 up front. Watch Weight sells 1 one-off in-app purchase. Weight Diary asks for nothing beyond the download.

Weight Diary holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Weight Diary has 2.6K ratings behind it against 45, so its average is the more settled of the two. Written reviews point the same way: 97% of Weight Diary's written reviews are positive against 47% of Watch Weight's.

Weight Diary ships an update every 6 months, Watch Weight every 4 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Weight Diary | Watch Weight |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/weight-diary/id410413185/reviews)** | [4.2 (45 ratings)](https://appshunter.io/ios/app/watch-weight-daily-tracker/id894352882/reviews) |
| Number of ratings | **2.6K** | 45 |
| Positive reviews | **96.8% of reviews** | 46.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Best chart rank | **#126** | — |
| Size | 11 MB | 10 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CURLYBRACE APPS LTD](https://appshunter.io/developer/410413205) | [Yogasoft Applications](https://appshunter.io/developer/827568900) |

## What reviewers say

### Weight Diary

[App page](https://appshunter.io/ios/app/weight-diary/id410413185)

**Currently charting:** #126 Top Paid · Health & Fitness (US App Store)

Track your weight loss journey with a clear trend line to visualize progress. Log daily weights, estimate loss rates, and plan for your goals. Supports custom start dates and integrates with health platforms.

**Highlights:** Daily weight logging, Clear trend line visualization, Progress and goal tracking, Custom start date setting, Apple Health and scale sync, BMI and calorie calculators, Data backup and export

**In-app purchases:** none


### Watch Weight

[App page](https://appshunter.io/ios/app/watch-weight-daily-tracker/id894352882)

Easily record and visualize your bodyweight using your Apple Watch or iOS device. This app offers a simple interface to log daily measurements and view trends in charts or lists, with data syncing to the Health app.

**Highlights:** Daily weight logging, Apple Watch app for entry, Weight data charts, List view of entries, Syncs with Health app, Export data to email

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Weight Premium | $0.99 | one-time |


## Frequently asked questions

### Is Weight Diary free?

Weight Diary costs $7.99, with no in-app purchases.

### Is Watch Weight free?

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

### Which has better reviews, Weight Diary or Watch Weight?

Weight Diary is rated higher. Weight Diary averages 4.9 out of 5 from 2.6K ratings, while Watch Weight averages 4.2 from 45 ratings.

### Do Weight Diary or Watch Weight have ads?

Neither Weight Diary nor Watch Weight shows ads.

### Which is updated more often, Weight Diary or Watch Weight?

Weight Diary ships an update every 6 months, and Watch Weight every 4 months. Most recently, Weight Diary was updated on November 1, 2026 and Watch Weight on November 1, 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.*