# 計量変換 vs 価格比較アプリCompey(こんぺい)

The clearest difference is review sentiment: 価格比較アプリCompey(こんぺい) at 79% against 計量変換's 56%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

計量変換 ships an update every 2 weeks, 価格比較アプリCompey(こんぺい) fortnightly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 計量変換 | 価格比較アプリCompey(こんぺい) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 55.6% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 6 MB | 44 MB |
| Requires iOS | 17.5 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社DONIKA](https://appshunter.io/developer/1078148699) | [Ryo Narisawa](https://appshunter.io/developer/1579223521) |

## What reviewers say

### 計量変換

[App page](https://appshunter.io/ios/app/id1181310253)

Easily convert ingredient and seasoning quantities for recipes. Adjust measurements between different units or scale them for a different number of servings. Ideal for home cooks who want to save time and reduce kitchen clutter.

**Highlights:** Convert between measurement units (cups, grams, tablespoons, teaspoons), Adjust recipe servings for different family sizes, Calculate quantities per ingredient/seasoning individually, Save frequently used items to a favorites list, Supports rice measurements (go, cups, grams)

**Features:** Vision Pro support

**In-app purchases:** none


### 価格比較アプリCompey(こんぺい)

[App page](https://appshunter.io/ios/app/compey/id1579223519)

Easily track product prices and find the lowest prices at different stores. Register purchases from receipts or by scanning barcodes to automatically see the lowest price and which store offers it. Ideal for budget-conscious shoppers looking to manage grocery expenses without complex apps.

**Highlights:** Register products and prices from receipts, Scan barcodes for product registration, View lowest prices for each product, Rank stores by product price, Compare unit prices considering quantity, Dark theme support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 計量変換 free?

計量変換 is free to download, with no in-app purchases.

### Is 価格比較アプリCompey(こんぺい) free?

価格比較アプリCompey(こんぺい) is free to download, with no in-app purchases.

### Do 計量変換 or 価格比較アプリCompey(こんぺい) have ads?

Both 計量変換 and 価格比較アプリCompey(こんぺい) show ads.

### Which is updated more often, 計量変換 or 価格比較アプリCompey(こんぺい)?

計量変換 ships an update every 2 weeks, and 価格比較アプリCompey(こんぺい) fortnightly. Most recently, 計量変換 was updated on October 29, 2026 and 価格比較アプリCompey(こんぺい) on October 24, 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.*