# ロボットアーム vs Physics Quest

The clearest difference is ads: Physics Quest at none against ロボットアーム's shown. Physics Quest also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.0 vs 17.6.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ロボットアーム ships an update every 2 weeks, Physics Quest every 2 days. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ロボットアーム | Physics Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 4 MB | 334 MB |
| Requires iOS | 17.6.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Risako Asai](https://appshunter.io/developer/1671273580) | [Miura Kenichi](https://appshunter.io/developer/6811033482) |

## What reviewers say

### ロボットアーム

[App page](https://appshunter.io/ios/app/id6720753682)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Quest

[App page](https://appshunter.io/ios/app/physics-quest/id6811033480)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ロボットアーム free?

ロボットアーム is free to download, with no in-app purchases.

### Is Physics Quest free?

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

### Do ロボットアーム or Physics Quest have ads?

ロボットアーム shows ads; Physics Quest does not.

### Which is updated more often, ロボットアーム or Physics Quest?

ロボットアーム ships an update every 2 weeks, and Physics Quest every 2 days. Most recently, ロボットアーム was updated on September 26, 2026 and Physics Quest on October 3, 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.*