# Focus4 vs DetoxScreen

The clearest difference is in-app purchases: DetoxScreen at none against Focus4's 2. DetoxScreen also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Focus4 sells 2 in-app purchases, starting at $2.99 per month. DetoxScreen asks for nothing beyond the download.

Focus4 ships an update every 2 months, DetoxScreen weekly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Focus4 | DetoxScreen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 18 MB | 28 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kirlos Yousef](https://appshunter.io/developer/1514432748) | [Tristan Heraud](https://appshunter.io/developer/6778021026) |

## What reviewers say

### Focus4

[App page](https://appshunter.io/ios/app/focus4-work-and-study-ai-timer/id6739164359)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership (Monthly) | $2.99 | per month |
| Premium Membership | $19.99 | per year |


### DetoxScreen

[App page](https://appshunter.io/ios/app/detoxscreen-app-blocker/id6778021024)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Focus4 free?

Focus4 is free to download, with in-app purchases available.

### Is DetoxScreen free?

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

### Do Focus4 or DetoxScreen have ads?

Neither Focus4 nor DetoxScreen shows ads.

### Which is updated more often, Focus4 or DetoxScreen?

Focus4 ships an update every 2 months, and DetoxScreen weekly. Most recently, Focus4 was updated on October 30, 2026 and DetoxScreen on November 10, 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.*