# Thread to Self vs Zen Matrix

The clearest difference is in-app purchases: Zen Matrix at none against Thread to Self's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thread to Self sells 1 one-off in-app purchase. Zen Matrix asks for nothing beyond the download.

## The numbers

| Metric | Thread to Self | Zen Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [You-R-Here LLC](https://appshunter.io/developer/1883419373) | [Ruoyi Shangguan](https://appshunter.io/developer/6795174461) |

## What reviewers say

### Thread to Self

[App page](https://appshunter.io/ios/app/thread-to-self/id6791155475)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thread to Self Unlock | $4.99 | one-time |


### Zen Matrix

[App page](https://appshunter.io/ios/app/zen-matrix-eisenhower-tasks/id6795174459)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thread to Self free?

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

### Is Zen Matrix free?

Zen Matrix is free to download, with no in-app purchases.

### Do Thread to Self or Zen Matrix have ads?

Neither Thread to Self nor Zen Matrix shows ads.

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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.*