# Onclass Messenger vs Bluebird

The clearest difference is in-app purchases: Onclass Messenger at none against Bluebird's 5. Bluebird's advantage is ads (none vs shown) and update cadence (every 3 months vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Bluebird sells 5 in-app purchases, starting at $9.99 per month. Onclass Messenger asks for nothing beyond the download.

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

## The numbers

| Metric | Onclass Messenger | Bluebird |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 35 MB | 45 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Lingo Play Ltd](https://appshunter.io/developer/969976196) | [Pronunciator LLC](https://appshunter.io/developer/520228857) |

## 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


### Bluebird

[App page](https://appshunter.io/ios/app/bluebird-learn-czech/id1583922699)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited languages (1 month) | $9.99 | per month |
| Unlimited languages (1 year) | $99.99 | per year |
| RAPID TEST PRODUCT | $19.99 | one-time |
| One Language Lifetime purchase | $99.00 | one-time |
| Lifetime purchase | $199.99 | one-time |


## Frequently asked questions

### Is Onclass Messenger free?

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

### Is Bluebird free?

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

### Do Onclass Messenger or Bluebird have ads?

Onclass Messenger shows ads; Bluebird does not.

### Which is updated more often, Onclass Messenger or Bluebird?

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