# Mindbrew vs Earth9

The clearest difference is in-app purchases: Earth9 at none against Mindbrew's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mindbrew sells 2 in-app purchases, starting at $3.99 per month. Earth9 asks for nothing beyond the download.

Mindbrew ships an update fortnightly, Earth9 every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Mindbrew | Earth9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 52 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gasim Gasimzada](https://appshunter.io/developer/1801835780) | [Qeap Labs LLC](https://appshunter.io/developer/1733114045) |

## What reviewers say

### Mindbrew

[App page](https://appshunter.io/ios/app/mindbrew-your-ai-journal/id6744844847)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $3.99 | per month |
| Premium (1 year) | $39.99 | per year |


### Earth9

[App page](https://appshunter.io/ios/app/earth9/id6775628018)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mindbrew free?

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

### Is Earth9 free?

Earth9 is free to download, with no in-app purchases.

### Do Mindbrew or Earth9 have ads?

Neither Mindbrew nor Earth9 shows ads.

### Which is updated more often, Mindbrew or Earth9?

Mindbrew ships an update fortnightly, and Earth9 every 3 weeks. Most recently, Mindbrew was updated on October 30, 2026 and Earth9 on November 5, 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.*