# MARVLS vs Unit Gacha !

The clearest difference is in-app purchases: MARVLS at none against Unit Gacha !'s 2. Unit Gacha !'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Unit Gacha ! sells 2 one-off in-app purchases. MARVLS asks for nothing beyond the download.

MARVLS ships an update every 4 weeks, Unit Gacha ! every 3 weeks. The most recent releases landed on September 9, 2026 and June 19, 2026 respectively.

## The numbers

| Metric | MARVLS | Unit Gacha ! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/marvls-quantum-computing/id6740221029/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 168 MB | 47 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michele McColgan](https://appshunter.io/developer/1532617986) | [Shunsuke Nakamura](https://appshunter.io/developer/1828229182) |

## What reviewers say

### MARVLS

[App page](https://appshunter.io/ios/app/marvls-quantum-computing/id6740221029)

Explore quantum computing concepts through interactive augmented reality models. Requires a Merge Cube to visualize and manipulate topics like superposition and entanglement. Navigate through various educational modules to deepen your understanding.

**Highlights:** Augmented reality visualization, Interactive quantum concepts, Merge Cube integration, Topics: superposition, entanglement, qubits, Logic gates visualization, Nuclear and electron spin models

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Gacha !

[App page](https://appshunter.io/ios/app/unit-gacha/id6756411322)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all mechanics problems | $5.99 | one-time |
| Unlock all electromagnetic problems | $5.99 | one-time |


## Frequently asked questions

### Is MARVLS free?

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

### Is Unit Gacha ! free?

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

### Do MARVLS or Unit Gacha ! have ads?

Neither MARVLS nor Unit Gacha ! shows ads.

### Which is updated more often, MARVLS or Unit Gacha !?

MARVLS ships an update every 4 weeks, and Unit Gacha ! every 3 weeks. Most recently, MARVLS was updated on September 9, 2026 and Unit Gacha ! on June 19, 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.*