# SmartBehavior vs NailFree

The clearest difference is price: NailFree at Free against SmartBehavior's $4.99. SmartBehavior's advantage is in-app purchases (none vs 1) and iOS requirement (16.6 vs 26.0). On ads and device support there is nothing between them.

NailFree is free to download; SmartBehavior costs $4.99 up front. NailFree sells 1 in-app purchase, starting at $3.99 per 7 days. SmartBehavior asks for nothing beyond the download.

## The numbers

| Metric | SmartBehavior | NailFree |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 45 MB | 11 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Julian Kern](https://appshunter.io/developer/1695570389) | [DOMINIK STRNADEL](https://appshunter.io/developer/1794777315) |

## What reviewers say

### SmartBehavior

[App page](https://appshunter.io/ios/app/smartbehavior/id6752805381)

**Features:** macOS Compatibility

**In-app purchases:** none


### NailFree

[App page](https://appshunter.io/ios/app/nailfree-stop-nail-biting/id6759039376)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NailFree Premium | $3.99 | per 7 days |


## Frequently asked questions

### Is SmartBehavior free?

SmartBehavior costs $4.99, with no in-app purchases.

### Is NailFree free?

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

### Do SmartBehavior or NailFree have ads?

Neither SmartBehavior nor NailFree shows ads.

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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.*