# Onclass Messenger vs Domium 3

The clearest difference is ads: Domium 3 at none against Onclass Messenger's shown. Domium 3 also leads on update cadence (every 10 days vs every 6 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

Onclass Messenger ships an update every 6 months, Domium 3 every 10 days. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Onclass Messenger | Domium 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/onclass-messenger/id1536409641/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 35 MB | 300 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lingo Play Ltd](https://appshunter.io/developer/969976196) | [Gordeev Stepan](https://appshunter.io/developer/1701600785) |

## What reviewers say

### Onclass Messenger

[App page](https://appshunter.io/ios/app/onclass-messenger/id1536409641)

This app facilitates communication between students and teachers using your phone's internet connection. It allows for direct messaging, group chats, and ensures you remain logged in to never miss important messages or notifications.

**Highlights:** Direct messaging, Group chat, Cross-app messaging, Push notifications, Always logged in

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

**In-app purchases:** none


### Domium 3

[App page](https://appshunter.io/ios/app/domium-3/id6572311508)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Onclass Messenger free?

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

### Is Domium 3 free?

Domium 3 is free to download, with no in-app purchases.

### Do Onclass Messenger or Domium 3 have ads?

Onclass Messenger shows ads; Domium 3 does not.

### Which is updated more often, Onclass Messenger or Domium 3?

Onclass Messenger ships an update every 6 months, and Domium 3 every 10 days. Most recently, Onclass Messenger was updated on October 18, 2026 and Domium 3 on October 12, 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.*