# 日常物理 vs PhysKey Custom

The clearest difference is update cadence: PhysKey Custom at every 4 months against 日常物理's every 28 months. PhysKey Custom also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

日常物理 ships an update every 28 months, PhysKey Custom every 4 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 日常物理 | PhysKey Custom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 28 months | **Every 4 months** |
| Size | 2 MB | 5 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shosuke Sato](https://appshunter.io/developer/1709991841) | [Ryosuke Asano](https://appshunter.io/developer/1858758761) |

## What reviewers say

### 日常物理

[App page](https://appshunter.io/ios/app/id6475620635)

**In-app purchases:** none


### PhysKey Custom

[App page](https://appshunter.io/ios/app/physkey-custom/id6757507136)

**In-app purchases:** none


## Frequently asked questions

### Is 日常物理 free?

日常物理 is free to download, with no in-app purchases.

### Is PhysKey Custom free?

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

### Which is updated more often, 日常物理 or PhysKey Custom?

日常物理 ships an update every 28 months, and PhysKey Custom every 4 months. Most recently, 日常物理 was updated on October 10, 2026 and PhysKey Custom on October 7, 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.*