# DIY Hero vs Second Brain

The clearest difference is ads: Second Brain at none against DIY Hero's shown. DIY Hero's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

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

DIY Hero ships an update fortnightly, Second Brain every 3 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DIY Hero | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 162 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Purple Array Technologies](https://appshunter.io/developer/861461926) | [Jikku Chacko](https://appshunter.io/developer/1882820555) |

## What reviewers say

### DIY Hero

[App page](https://appshunter.io/ios/app/diy-hero/id6480493542)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 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 DIY Hero free?

DIY Hero is free to download, with no in-app purchases.

### Is Second Brain free?

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

### Do DIY Hero or Second Brain have ads?

DIY Hero shows ads; Second Brain does not.

### Which is updated more often, DIY Hero or Second Brain?

DIY Hero ships an update fortnightly, and Second Brain every 3 weeks. Most recently, DIY Hero was updated on October 15, 2026 and Second Brain on October 13, 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.*