# 買い物の計算を楽にする − 買計 Kaikei vs Wowoo

The clearest difference is update cadence: 買い物の計算を楽にする − 買計 Kaikei at every 3 days against Wowoo's fortnightly. Wowoo's advantage is iOS requirement (13.0 vs 17.0). 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.

買い物の計算を楽にする − 買計 Kaikei ships an update every 3 days, Wowoo fortnightly. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 買い物の計算を楽にする − 買計 Kaikei | Wowoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 4 MB | 141 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHO NOZAKI](https://appshunter.io/developer/1661511048) | [Metabit](https://appshunter.io/developer/1868587821) |

## What reviewers say

### 買い物の計算を楽にする − 買計 Kaikei

[App page](https://appshunter.io/ios/app/kaikei/id1661511046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wowoo

[App page](https://appshunter.io/ios/app/wowoo/id6757732721)

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

**In-app purchases:** none


## Frequently asked questions

### Is 買い物の計算を楽にする − 買計 Kaikei free?

買い物の計算を楽にする − 買計 Kaikei is free to download, with no in-app purchases.

### Is Wowoo free?

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

### Do 買い物の計算を楽にする − 買計 Kaikei or Wowoo have ads?

Neither 買い物の計算を楽にする − 買計 Kaikei nor Wowoo shows ads.

### Which is updated more often, 買い物の計算を楽にする − 買計 Kaikei or Wowoo?

買い物の計算を楽にする − 買計 Kaikei ships an update every 3 days, and Wowoo fortnightly. Most recently, 買い物の計算を楽にする − 買計 Kaikei was updated on October 10, 2026 and Wowoo on October 6, 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.*