# Mnemo vs Second Brain

The clearest difference is in-app purchases: Second Brain at none against Mnemo's 4. Second Brain also leads on device support. Mnemo's advantage is iOS requirement (14.0 vs 17.6). On price there is nothing between them.

Both are free to download. Mnemo sells 4 in-app purchases, starting at $5.99 per month. Second Brain asks for nothing beyond the download.

## The numbers

| Metric | Mnemo | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 76 MB | 2 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alvaro Juan Ciriaco](https://appshunter.io/developer/1820388713) | [Jikku Chacko](https://appshunter.io/developer/1882820555) |

## What reviewers say

### Mnemo

[App page](https://appshunter.io/ios/app/mnemo-my-second-brain/id6756796222)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mnemo Basic (Monthly) | $5.99 | per month |
| Mnemo Pro (Monthly) | $14.99 | per month |
| Mnemo Basic (Annual) | $59.99 | per year |
| Mnemo Pro (Annual) | $149.99 | per year |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-adhd-planner/id6760140172)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mnemo free?

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

### Is Second Brain free?

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

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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.*