# Mettis Instructor vs StudyChamp

The clearest difference is in-app purchases: Mettis Instructor at none against StudyChamp's 3. Mettis Instructor also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StudyChamp sells 3 in-app purchases, starting at $9.99 per month. Mettis Instructor asks for nothing beyond the download.

Mettis Instructor ships an update weekly, StudyChamp every 5 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Mettis Instructor | StudyChamp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 31 MB | 74 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Mettis AI](https://appshunter.io/developer/1854102469) | [Domenico Marco Di Donna](https://appshunter.io/developer/1890112575) |

## What reviewers say

### Mettis Instructor

[App page](https://appshunter.io/ios/app/mettis-instructor/id6759099435)

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

**In-app purchases:** none


### StudyChamp

[App page](https://appshunter.io/ios/app/studychamp-ai-study-packs/id6761615722)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyChamp Basic Monthly | $9.99 | per month |
| StudyChamp Pro Monthly | $22.99 | per month |
| StudyChamp Extra Credits | $24.99 | one-time |


## Frequently asked questions

### Is Mettis Instructor free?

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

### Is StudyChamp free?

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

### Do Mettis Instructor or StudyChamp have ads?

Neither Mettis Instructor nor StudyChamp shows ads.

### Which is updated more often, Mettis Instructor or StudyChamp?

Mettis Instructor ships an update weekly, and StudyChamp every 5 weeks. Most recently, Mettis Instructor was updated on September 17, 2026 and StudyChamp on September 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.*