# ClearTangle vs Second Brain

The clearest difference is iOS requirement: ClearTangle at 15.1 against Second Brain's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ClearTangle sells 2 in-app purchases, starting at $9.99 per month and Second Brain sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

ClearTangle ships an update every 9 days, Second Brain every 5 days. The most recent releases landed on October 31, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ClearTangle | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 39 MB | 17 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mahipal Jat](https://appshunter.io/developer/1885317727) | [Aleksandr Pustotin](https://appshunter.io/developer/1854093247) |

## What reviewers say

### ClearTangle

[App page](https://appshunter.io/ios/app/cleartangle-ai-second-brain/id6760611528)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $9.99 | per month |
| Ultimate (Monthly) | $24.99 | per month |


### Second Brain

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

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Monthly | $12.99 | per month |
| Second Brain Annual | $119.99 | per year |


## Frequently asked questions

### Is ClearTangle free?

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

### Is Second Brain free?

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

### Do ClearTangle or Second Brain have ads?

Neither ClearTangle nor Second Brain shows ads.

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

ClearTangle ships an update every 9 days, and Second Brain every 5 days. Most recently, ClearTangle was updated on October 31, 2026 and Second Brain on November 8, 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.*