# Change Chain vs Mind Trace

The clearest difference is update cadence: Change Chain at every 3 days against Mind Trace's every 10 days. Change Chain also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Change Chain ships an update every 3 days, Mind Trace every 10 days. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Change Chain | Mind Trace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 21 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Livanda - Internetkliniken AB](https://appshunter.io/developer/1607972909) | [HyunSeok Park](https://appshunter.io/developer/1724015501) |

## What reviewers say

### Change Chain

[App page](https://appshunter.io/ios/app/change-chain/id1644319974)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mind Trace

[App page](https://appshunter.io/ios/app/mind-trace-ai-mood-tracker/id6747179265)

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

**In-app purchases:** none


## Frequently asked questions

### Is Change Chain free?

Change Chain is free to download, with no in-app purchases.

### Is Mind Trace free?

Mind Trace is free to download, with no in-app purchases.

### Do Change Chain or Mind Trace have ads?

Neither Change Chain nor Mind Trace shows ads.

### Which is updated more often, Change Chain or Mind Trace?

Change Chain ships an update every 3 days, and Mind Trace every 10 days. Most recently, Change Chain was updated on October 3, 2026 and Mind Trace on October 24, 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.*