# AI Chants vs Earth9

The clearest difference is in-app purchases: Earth9 at none against AI Chants's 4. Earth9 also leads on update cadence (every 3 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Chants sells 4 one-off in-app purchases. Earth9 asks for nothing beyond the download.

AI Chants ships an update every 7 months, Earth9 every 3 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | AI Chants | Earth9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 69 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [CIHAN 8ULUT](https://appshunter.io/developer/1745677027) | [Qeap Labs LLC](https://appshunter.io/developer/1733114045) |

## What reviewers say

### AI Chants

[App page](https://appshunter.io/ios/app/ai-chants/id6572293992)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 40 Credits | $4.99 | one-time |
| 85 Credits | $9.99 | one-time |
| 180 Credits | $19.99 | one-time |
| 500 Credits | $49.99 | one-time |


### Earth9

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

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Chants free?

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

### Is Earth9 free?

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

### Do AI Chants or Earth9 have ads?

Neither AI Chants nor Earth9 shows ads.

### Which is updated more often, AI Chants or Earth9?

AI Chants ships an update every 7 months, and Earth9 every 3 weeks. Most recently, AI Chants was updated on October 16, 2026 and Earth9 on October 16, 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.*