# Orevan Events vs Mouth Detection

The clearest difference is ads: Orevan Events at none against Mouth Detection's shown. Orevan Events also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.7.2). Mouth Detection's advantage is update cadence (fortnightly vs monthly). On price and in-app purchases there is nothing between them.

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

Orevan Events ships an update monthly, Mouth Detection fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Orevan Events | Mouth Detection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mouth-detection/id6733226615/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 59 MB | 36 MB |
| Requires iOS | **13.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OREVAN LLC](https://appshunter.io/developer/1838424462) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Orevan Events

[App page](https://appshunter.io/ios/app/orevan-events/id1539934668)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mouth Detection

[App page](https://appshunter.io/ios/app/mouth-detection/id6733226615)

This utility app focuses on detecting when a mouth is open. It identifies key points and landmarks related to the mouth.

**Highlights:** Detects mouth opening, Identifies facial landmarks, Focuses on mouth detection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Orevan Events free?

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

### Is Mouth Detection free?

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

### Do Orevan Events or Mouth Detection have ads?

Mouth Detection shows ads; Orevan Events does not.

### Which is updated more often, Orevan Events or Mouth Detection?

Orevan Events ships an update monthly, and Mouth Detection fortnightly. Most recently, Orevan Events was updated on October 27, 2026 and Mouth Detection 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.*