# A vs Physics Quest

The clearest difference is in-app purchases: Physics Quest at none against A's 1. Physics Quest also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. A sells 1 one-off in-app purchase. Physics Quest asks for nothing beyond the download.

A ships an update every 2 weeks, Physics Quest every 2 days. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | A | Physics Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 271 MB | 334 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ogumo Co., Ltd.](https://appshunter.io/developer/1289277557) | [Miura Kenichi](https://appshunter.io/developer/6811033482) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-physics-mechanics/id6670272249)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide ads | $5.99 | one-time |


### Physics Quest

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is Physics Quest free?

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

### Do A or Physics Quest have ads?

Neither A nor Physics Quest shows ads.

### Which is updated more often, A or Physics Quest?

A ships an update every 2 weeks, and Physics Quest every 2 days. Most recently, A was updated on October 18, 2026 and Physics Quest on October 20, 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.*