# IQ Test Challenge vs Museum Gacha

The clearest difference is device support: IQ Test Challenge at 3 against Museum Gacha's 1. IQ Test Challenge also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. IQ Test Challenge sells 2 in-app purchases, starting at $1.99 per month and Museum Gacha sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | IQ Test Challenge | Museum Gacha |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Size | 16 MB | 72 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Paul Stelzer](https://appshunter.io/developer/644648487) | [RIEKO NAITO](https://appshunter.io/developer/1823123668) |

## What reviewers say

### IQ Test Challenge

[App page](https://appshunter.io/ios/app/iq-test-challenge/id6816346720)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Club Monthly | $1.99 | per month |
| Club Yearly | $8.99 | per year |


### Museum Gacha

[App page](https://appshunter.io/ios/app/museum-gacha/id6820324006)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midnight Circus | $0.49 | one-time |
| Cyber Rococo | $0.49 | one-time |
| Candy Nightmare | $0.49 | one-time |
| Heisei Retro | $0.49 | one-time |
| Moonlit Carnival | $0.49 | one-time |
| Neon Atami | $0.49 | one-time |
| Industrial | $0.49 | one-time |
| Stardust Aquarium | $0.49 | one-time |
| Digital Green | $0.49 | one-time |
| Electric Street | $0.49 | one-time |


## Frequently asked questions

### Is IQ Test Challenge free?

IQ Test Challenge is free to download, with in-app purchases available.

### Is Museum Gacha free?

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

### Do IQ Test Challenge or Museum Gacha have ads?

Neither IQ Test Challenge nor Museum Gacha shows ads.

### Which is updated more often, IQ Test Challenge or Museum Gacha?

IQ Test Challenge ships an update every 3 days, and Museum Gacha every 3 days. Most recently, IQ Test Challenge was updated on October 25, 2026 and Museum Gacha on October 26, 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.*