# Threadmap vs SecondBrain AI Assistant

The clearest difference is update cadence: SecondBrain AI Assistant at daily against Threadmap's fortnightly. SecondBrain AI Assistant also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Threadmap sells 2 in-app purchases, starting at $1.99 per month and SecondBrain AI Assistant sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Threadmap ships an update fortnightly, SecondBrain AI Assistant daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Threadmap | SecondBrain AI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 4 MB | 23 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kanchalika Kongyong](https://appshunter.io/developer/1883480594) | [BUILD TO CONNECT LTD](https://appshunter.io/developer/6778076361) |

## What reviewers say

### Threadmap

[App page](https://appshunter.io/ios/app/threadmap-mind-maps-and-collab/id6761523525)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainWeave Pro — Monthly | $1.99 | per month |
| BrainWeave Pro — Yearly | $14.99 | per year |


### SecondBrain AI Assistant

[App page](https://appshunter.io/ios/app/secondbrain-ai-assistant/id6778076359)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Pro Monthly | $9.99 | per month |
| Second Brain Pro Annual | $69.99 | per year |


## Frequently asked questions

### Is Threadmap free?

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

### Is SecondBrain AI Assistant free?

SecondBrain AI Assistant is free to download, with in-app purchases available.

### Do Threadmap or SecondBrain AI Assistant have ads?

Neither Threadmap nor SecondBrain AI Assistant shows ads.

### Which is updated more often, Threadmap or SecondBrain AI Assistant?

Threadmap ships an update fortnightly, and SecondBrain AI Assistant daily. Most recently, Threadmap was updated on October 25, 2026 and SecondBrain AI Assistant on October 28, 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.*