# 和暦変換 vs TimeHack

The clearest difference is update cadence: 和暦変換 at every 9 days against TimeHack's every 3 months. TimeHack's advantage is iOS requirement (13.0 vs 17.6). On price, ads, 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.

和暦変換 ships an update every 9 days, TimeHack every 3 months. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 和暦変換 | TimeHack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 3 months |
| Size | 114 MB | 33 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249) | [Aito Takazawa](https://appshunter.io/developer/1873580593) |

## What reviewers say

### 和暦変換

[App page](https://appshunter.io/ios/app/id1453666818)

**Features:** macOS Compatibility

**In-app purchases:** none


### TimeHack

[App page](https://appshunter.io/ios/app/timehack-time-and-study-log/id6758551908)

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

**In-app purchases:** none


## Frequently asked questions

### Is 和暦変換 free?

和暦変換 is free to download, with no in-app purchases.

### Is TimeHack free?

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

### Do 和暦変換 or TimeHack have ads?

Both 和暦変換 and TimeHack show ads.

### Which is updated more often, 和暦変換 or TimeHack?

和暦変換 ships an update every 9 days, and TimeHack every 3 months. Most recently, 和暦変換 was updated on October 2, 2026 and TimeHack on September 23, 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.*