# Side Brain vs Between

The clearest difference is update cadence: Side Brain at every 4 days against Between's every 2 weeks. Side Brain also leads on iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Side Brain sells 3 in-app purchases, starting at $2.99 per 7 days and Between sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Side Brain ships an update every 4 days, Between every 2 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Side Brain | Between |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 6 MB | 13 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Petr Nezval](https://appshunter.io/developer/1870515085) | [Dzmitry Bosak](https://appshunter.io/developer/6789844564) |

## What reviewers say

### Side Brain

[App page](https://appshunter.io/ios/app/side-brain-read-later-and-ai/id6758042214)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $7.99 | per month |
| Yearly Premium | $39.99 | per year |


### Between

[App page](https://appshunter.io/ios/app/between-decision-journal/id6789844562)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Between Unlimited Monthly | $3.99 | per month |
| Between Unlimited Yearly | $24.99 | per year |


## Frequently asked questions

### Is Side Brain free?

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

### Is Between free?

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

### Do Side Brain or Between have ads?

Neither Side Brain nor Between shows ads.

### Which is updated more often, Side Brain or Between?

Side Brain ships an update every 4 days, and Between every 2 weeks. Most recently, Side Brain was updated on November 5, 2026 and Between on November 10, 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.*