# Side vs Cerebro Keyboard

The clearest difference is in-app purchases: Cerebro Keyboard at none against Side's 3. Side's advantage is update cadence (daily vs every 6 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Side sells 3 in-app purchases, starting at $4.99 per 7 days. Cerebro Keyboard asks for nothing beyond the download.

Side ships an update daily, Cerebro Keyboard every 6 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Side | Cerebro Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 months |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Adam Southey](https://appshunter.io/developer/1845845950) | [Allonsy GmbH](https://appshunter.io/developer/1876356976) |

## What reviewers say

### Side

[App page](https://appshunter.io/ios/app/side-note/id6753957693)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Side Note Pro Access (Weekly) | $4.99 | per 7 days |
| Side Note Pro Access (Monthly) | $14.99 | per month |
| Side Note Pro Access (Annual) | $119.99 | per year |


### Cerebro Keyboard

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Side free?

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

### Is Cerebro Keyboard free?

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

### Do Side or Cerebro Keyboard have ads?

Neither Side nor Cerebro Keyboard shows ads.

### Which is updated more often, Side or Cerebro Keyboard?

Side ships an update daily, and Cerebro Keyboard every 6 months. Most recently, Side was updated on September 18, 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.*