# ozzy.games vs Harmonyland

The clearest difference is in-app purchases: ozzy.games at none against Harmonyland's 1. ozzy.games also leads on iOS requirement (12.0 vs 15.0). Harmonyland's advantage is update cadence (every 5 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Harmonyland sells 1 in-app purchase, starting at $39.99 per year. ozzy.games asks for nothing beyond the download.

ozzy.games ships an update every 4 months, Harmonyland every 5 weeks. The most recent releases landed on September 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ozzy.games | Harmonyland |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/harmonyland-notation-quest/id6748853587/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 452 MB | 147 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Farko Productions Aps](https://appshunter.io/developer/503643849) | [Jessica Zuch Studios Limited](https://appshunter.io/developer/1827676254) |

## What reviewers say

### ozzy.games

[App page](https://appshunter.io/ios/app/ozzygames/id6740316656)

**Features:** macOS Compatibility

**In-app purchases:** none


### Harmonyland

[App page](https://appshunter.io/ios/app/harmonyland-notation-quest/id6748853587)

This app transforms music theory into a magical adventure for children. It combines storytelling and interactive games to teach note recognition and keyboard exploration through a whimsical world and lovable characters.

**Highlights:** Storytelling-based learning, Interactive piano keyboard exploration, Note recognition games, Unlockable characters and helpers, Progress tracking and badges, Musical alphabet (A-G) introduction

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonyland – All-Access (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is ozzy.games free?

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

### Is Harmonyland free?

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

### Do ozzy.games or Harmonyland have ads?

Neither ozzy.games nor Harmonyland shows ads.

### Which is updated more often, ozzy.games or Harmonyland?

ozzy.games ships an update every 4 months, and Harmonyland every 5 weeks. Most recently, ozzy.games was updated on September 18, 2026 and Harmonyland on September 30, 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.*