# Offline Notes AI vs Cerebro Keyboard

The clearest difference is ads: Cerebro Keyboard at none against Offline Notes AI's shown. Offline Notes AI's advantage is update cadence (weekly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Offline Notes AI ships an update weekly, Cerebro Keyboard every 6 months. The most recent releases landed on May 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Offline Notes AI | Cerebro Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 months |
| Size | 112 MB | 4 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Yang Li](https://appshunter.io/developer/1866410565) | [Allonsy GmbH](https://appshunter.io/developer/1876356976) |

## What reviewers say

### Offline Notes AI

[App page](https://appshunter.io/ios/app/offline-notes-ai/id6757368867)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cerebro Keyboard

[App page](https://appshunter.io/ios/app/cerebro-keyboard/id6759010457)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Offline Notes AI free?

Offline Notes AI is free to download, with no in-app purchases.

### Is Cerebro Keyboard free?

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

### Do Offline Notes AI or Cerebro Keyboard have ads?

Offline Notes AI shows ads; Cerebro Keyboard does not.

### Which is updated more often, Offline Notes AI or Cerebro Keyboard?

Offline Notes AI ships an update weekly, and Cerebro Keyboard every 6 months. Most recently, Offline Notes AI was updated on May 14, 2026 and Cerebro Keyboard on September 17, 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.*