# Museek World vs Onga9

The clearest difference is in-app purchases: Onga9 at none against Museek World's 10. Onga9 also leads on update cadence (every 3 days vs weekly). Museek World's advantage is iOS requirement (14.0.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Museek World sells 10 in-app purchases, starting at $1.00 per month. Onga9 asks for nothing beyond the download.

Museek World ships an update weekly, Onga9 every 3 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Museek World | Onga9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 141 MB | 14 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Maxximal](https://appshunter.io/developer/1713377615) | [Kenta Terunuma](https://appshunter.io/developer/1883249034) |

## What reviewers say

### Museek World

[App page](https://appshunter.io/ios/app/museek-world/id6737152677)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Support | $1.00 | per month |
| Monthly Support | $2.00 | per month |
| Monthly Support | $3.00 | per month |
| Monthly Support | $4.00 | per month |
| Monthly Support | $5.00 | per month |
| Lifetime Access | $25.00 | one-time |
| Lifetime Access | $50.00 | one-time |
| Lifetime Access | $100.00 | one-time |
| Lifetime Access | $150.00 | one-time |
| Lifetime Access | $200.00 | one-time |


### Onga9

[App page](https://appshunter.io/ios/app/onga9/id6760211706)

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

**In-app purchases:** none


## Frequently asked questions

### Is Museek World free?

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

### Is Onga9 free?

Onga9 is free to download, with no in-app purchases.

### Do Museek World or Onga9 have ads?

Neither Museek World nor Onga9 shows ads.

### Which is updated more often, Museek World or Onga9?

Museek World ships an update weekly, and Onga9 every 3 days. Most recently, Museek World was updated on October 8, 2026 and Onga9 on October 14, 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.*