# Second Brain vs ADH Do It

The clearest difference is in-app purchases: Second Brain at none against ADH Do It's 2. ADH Do It's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ADH Do It sells 2 in-app purchases, starting at $2.99 per month. Second Brain asks for nothing beyond the download.

Second Brain ships an update every 3 weeks, ADH Do It daily. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Second Brain | ADH Do It |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 2 MB | 104 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jikku Chacko](https://appshunter.io/developer/1882820555) | [TimTom Studio](https://appshunter.io/developer/1896714683) |

## What reviewers say

### Second Brain

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ADH Do It

[App page](https://appshunter.io/ios/app/adh-do-it/id6778379461)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ADH Do It Pro Monthly | $2.99 | per month |
| ADH Do It Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is Second Brain free?

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

### Is ADH Do It free?

ADH Do It is free to download, with in-app purchases available.

### Do Second Brain or ADH Do It have ads?

Neither Second Brain nor ADH Do It shows ads.

### Which is updated more often, Second Brain or ADH Do It?

Second Brain ships an update every 3 weeks, and ADH Do It daily. Most recently, Second Brain was updated on September 10, 2026 and ADH Do It on September 22, 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.*