# Weight Diary vs Small Habits Studio

The clearest difference is price: Small Habits Studio at Free against Weight Diary's $7.99. Small Habits Studio also leads on update cadence (weekly vs every 6 months) and iOS requirement (15.0 vs 26.0). Weight Diary's advantage is in-app purchases (none vs 2) and chart position (#80 vs unranked). On ads and device support there is nothing between them.

Small Habits Studio is free to download; Weight Diary costs $7.99 up front. Small Habits Studio sells 2 in-app purchases, starting at $45.00 per month. Weight Diary asks for nothing beyond the download.

Weight Diary ships an update every 6 months, Small Habits Studio weekly. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Weight Diary | Small Habits Studio |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/weight-diary/id410413185/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 96.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free | — |
| Best chart rank | **#80** | — |
| Size | 11 MB | 136 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CURLYBRACE APPS LTD](https://appshunter.io/developer/410413205) | [Global Fitness Holdings Ltd](https://appshunter.io/developer/1490993741) |

## What reviewers say

### Weight Diary

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

**Currently charting:** #80 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


### Small Habits Studio

[App page](https://appshunter.io/ios/app/small-habits-studio/id6761860962)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $45.00 | per month |
| Annual Subscription | $419.00 | per year |


## Frequently asked questions

### Is Weight Diary free?

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

### Is Small Habits Studio free?

Small Habits Studio is free to download, with in-app purchases available.

### Do Weight Diary or Small Habits Studio have ads?

Neither Weight Diary nor Small Habits Studio shows ads.

### Which is updated more often, Weight Diary or Small Habits Studio?

Weight Diary ships an update every 6 months, and Small Habits Studio weekly. Most recently, Weight Diary was updated on October 21, 2026 and Small Habits Studio on October 15, 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.*