# ToDoLinks vs Second Brain

The clearest difference is in-app purchases: Second Brain at none against ToDoLinks's 1. ToDoLinks's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ToDoLinks sells 1 in-app purchase, starting at $1.99 per month. Second Brain asks for nothing beyond the download.

ToDoLinks ships an update every 6 days, Second Brain every 5 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ToDoLinks | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 5 days** |
| Size | 25 MB | 17 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ori Shalom](https://appshunter.io/developer/1887340066) | [Aleksandr Pustotin](https://appshunter.io/developer/1854093247) |

## What reviewers say

### ToDoLinks

[App page](https://appshunter.io/ios/app/todolinks/id6761277641)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ToDoLinks Pro | $1.99 | per month |


### Second Brain

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ToDoLinks free?

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

### Is Second Brain free?

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

### Do ToDoLinks or Second Brain have ads?

Neither ToDoLinks nor Second Brain shows ads.

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

ToDoLinks ships an update every 6 days, and Second Brain every 5 days. Most recently, ToDoLinks was updated on October 10, 2026 and Second Brain on October 1, 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.*