# Classroom Simulator vs Lullabird

The clearest difference is device support: Classroom Simulator at 3 against Lullabird's 1. Classroom Simulator also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads 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.

Classroom Simulator ships an update every 4 days, Lullabird every 3 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Classroom Simulator | Lullabird |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 137 MB | 14 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Zomob Games](https://appshunter.io/developer/1712101208) | [Hoonchan Yoon](https://appshunter.io/developer/6807282340) |

## What reviewers say

### Classroom Simulator

[App page](https://appshunter.io/ios/app/classroom-simulator/id6474307454)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lullabird

[App page](https://appshunter.io/ios/app/lullabird/id6813956438)

Guide a parrot to sing lullabies to sleeping neighbors in an old apartment building. The song plays itself, with increasing tempo and new instruments as the night progresses. Help each neighbor fall asleep before midnight to advance through the game.

**Highlights:** Rhythm-based gameplay, Progressive difficulty, Unique neighbor characters, Classical lullabies, No timers or ads, Visual and haptic feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is Classroom Simulator free?

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

### Is Lullabird free?

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

### Do Classroom Simulator or Lullabird have ads?

Both Classroom Simulator and Lullabird show ads.

### Which is updated more often, Classroom Simulator or Lullabird?

Classroom Simulator ships an update every 4 days, and Lullabird every 3 days. Most recently, Classroom Simulator was updated on October 7, 2026 and Lullabird on October 11, 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.*