# Focus One：ADHD Focus Timer vs Gambia9

The clearest difference is in-app purchases: Gambia9 at none against Focus One：ADHD Focus Timer's 2. Focus One：ADHD Focus Timer's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Focus One：ADHD Focus Timer sells 2 one-off in-app purchases. Gambia9 asks for nothing beyond the download.

## The numbers

| Metric | Focus One：ADHD Focus Timer | Gambia9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 43 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [龙威 周](https://appshunter.io/developer/1798120294) | [Pay365](https://appshunter.io/developer/1458839769) |

## What reviewers say

### Focus One：ADHD Focus Timer

[App page](https://appshunter.io/ios/app/focus-oneadhd-focus-timer/id6748545171)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Support Us | $5.99 | one-time |


### Gambia9

[App page](https://appshunter.io/ios/app/gambia9/id6801921738)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus One：ADHD Focus Timer free?

Focus One：ADHD Focus Timer is free to download, with in-app purchases available.

### Is Gambia9 free?

Gambia9 is free to download, with no in-app purchases.

### Do Focus One：ADHD Focus Timer or Gambia9 have ads?

Neither Focus One：ADHD Focus Timer nor Gambia9 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.*