# Mettis Instructor vs Reviso

The clearest difference is ads: Mettis Instructor at none against Reviso's shown. Reviso's advantage is update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Mettis Instructor ships an update weekly, Reviso every 3 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Mettis Instructor | Reviso |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 31 MB | 51 MB |
| Requires iOS | 15.1 | **14.0.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mettis AI](https://appshunter.io/developer/1854102469) | [Arsene VOYNIER](https://appshunter.io/developer/1845401689) |

## 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


### Reviso

[App page](https://appshunter.io/ios/app/reviso/id6767066391)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mettis Instructor free?

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

### Is Reviso free?

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

### Do Mettis Instructor or Reviso have ads?

Reviso shows ads; Mettis Instructor does not.

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

Mettis Instructor ships an update weekly, and Reviso every 3 days. Most recently, Mettis Instructor was updated on October 25, 2026 and Reviso on October 19, 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.*