# Within Body vs Tom Curve

The clearest difference is in-app purchases: Tom Curve at none against Within Body's 1. Tom Curve also leads on update cadence (daily vs every 6 weeks). Within Body's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price and ads there is nothing between them.

Both are free to download. Within Body sells 1 in-app purchase, starting at $250.00 per month. Tom Curve asks for nothing beyond the download.

Within Body ships an update every 6 weeks, Tom Curve daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Within Body | Tom Curve |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 51 MB | 6 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Jakub Domanus](https://appshunter.io/developer/1774498763) | [Michal Sroka](https://appshunter.io/developer/1865995969) |

## What reviewers say

### Within Body

[App page](https://appshunter.io/ios/app/within-body/id6737058218)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $250.00 | per month |


### Tom Curve

[App page](https://appshunter.io/ios/app/tom-curve/id6757315265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Within Body free?

Within Body is free to download, with in-app purchases available.

### Is Tom Curve free?

Tom Curve is free to download, with no in-app purchases.

### Do Within Body or Tom Curve have ads?

Neither Within Body nor Tom Curve shows ads.

### Which is updated more often, Within Body or Tom Curve?

Within Body ships an update every 6 weeks, and Tom Curve daily. Most recently, Within Body was updated on October 25, 2026 and Tom Curve 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.*