# Focus One vs Buddy AI Note

The clearest difference is in-app purchases: Focus One at none against Buddy AI Note's 4. Buddy AI Note's advantage is update cadence (every 4 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Buddy AI Note sells 4 in-app purchases, starting at $19.99 per month. Focus One asks for nothing beyond the download.

Focus One ships an update every 6 months, Buddy AI Note every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Focus One | Buddy AI Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Size | 15 MB | 81 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KYUNG SUK PARK](https://appshunter.io/developer/1833171976) | [PodTech Corp.](https://appshunter.io/developer/1861424016) |

## What reviewers say

### Focus One

[App page](https://appshunter.io/ios/app/focus-one-pomodoro-timer/id6751436315)

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

**In-app purchases:** none


### Buddy AI Note

[App page](https://appshunter.io/ios/app/buddy-ai-note/id6756564646)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| Pro Max | $49.99 | per month |
| Pro | $179.00 | per year |
| Pro Max | $419.00 | per year |


## Frequently asked questions

### Is Focus One free?

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

### Is Buddy AI Note free?

Buddy AI Note is free to download, with in-app purchases available.

### Do Focus One or Buddy AI Note have ads?

Neither Focus One nor Buddy AI Note shows ads.

### Which is updated more often, Focus One or Buddy AI Note?

Focus One ships an update every 6 months, and Buddy AI Note every 4 days. Most recently, Focus One was updated on October 30, 2026 and Buddy AI Note on October 30, 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.*