# 鬼計算 vs AroundPrefecture

The clearest difference is ads: AroundPrefecture at none against 鬼計算'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.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 鬼計算 | AroundPrefecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | Every 5 months |
| Size | 12 MB | 17 MB |
| Requires iOS | **15.2** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [masaaki genno](https://appshunter.io/developer/1611455396) | [Motonari Hibi](https://appshunter.io/developer/386737172) |

## What reviewers say

### 鬼計算

[App page](https://appshunter.io/ios/app/hp/id1613670633)

**Features:** macOS Compatibility

**In-app purchases:** none


### AroundPrefecture

[App page](https://appshunter.io/ios/app/aroundprefecture/id1643742735)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 鬼計算 free?

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

### Is AroundPrefecture free?

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

### Do 鬼計算 or AroundPrefecture have ads?

鬼計算 shows ads; AroundPrefecture does not.

### Which is updated more often, 鬼計算 or AroundPrefecture?

鬼計算 ships an update every 5 months, and AroundPrefecture every 5 months. Most recently, 鬼計算 was updated on October 8, 2026 and AroundPrefecture on September 30, 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.*