# 和暦変換 vs B

The clearest difference is ads: B at none against 和暦変換's shown. On price, update cadence, 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, B every 10 days. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 和暦変換 | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 10 days |
| Size | 114 MB | 104 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249) | [BK Keyforce Services Inc.](https://appshunter.io/developer/1786934306) |

## What reviewers say

### 和暦変換

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

**Features:** macOS Compatibility

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-wallet-app/id6739765844)

**Features:** macOS Compatibility

**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 B free?

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

### Do 和暦変換 or B have ads?

和暦変換 shows ads; B does not.

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

和暦変換 ships an update every 9 days, and B every 10 days. Most recently, 和暦変換 was updated on October 19, 2026 and B on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*