# Second Brain vs Second Brain

The clearest difference is in-app purchases: Second Brain at none against Second Brain's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Second Brain sells 2 in-app purchases, starting at $7.99 per 7 days. Second Brain asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Second Brain | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 17 MB | 55 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Pustotin](https://appshunter.io/developer/1854093247) | [Terra Innovations](https://appshunter.io/developer/1789492814) |

## What reviewers say

### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-voice-to-action/id6787875111)

**Features:** Vision Pro support

**In-app purchases:** none


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-ai-assistant/id6792532203)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $29.99 | per month |


## Frequently asked questions

### Is Second Brain free?

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

### Is Second Brain free?

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

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

Neither Second Brain nor Second Brain shows ads.

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

Second Brain ships an update every 5 days, and Second Brain every 5 days. Most recently, Second Brain was updated on October 17, 2026 and Second Brain on October 15, 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.*