# ONE vs Chip

The clearest difference is in-app purchases: ONE at none against Chip's 3. ONE also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). Chip's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Chip sells 3 in-app purchases, starting at $0.99 per 7 days. ONE asks for nothing beyond the download.

## The numbers

| Metric | ONE | Chip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 10 days |
| Size | 63 MB | 19 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Paez](https://appshunter.io/developer/1884753364) | [james jager](https://appshunter.io/developer/1891183573) |

## What reviewers say

### ONE

[App page](https://appshunter.io/ios/app/one-thing/id6760732209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chip

[App page](https://appshunter.io/ios/app/chip-adhd-assistant/id6761900898)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chip Pro Weekly | $0.99 | per 7 days |
| Chip Pro Monthly | $2.99 | per month |
| Chip Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is ONE free?

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

### Is Chip free?

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

### Do ONE or Chip have ads?

ONE shows ads; Chip does not.

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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.*