# Katchao! - 最安値でお買い物をしましょう！

> Shopping assistant app for price comparison, reviews, and rankings via barcode or keyword. (iPhone/iPad app by Duc Tam Trinh.)

- Source: https://appshunter.io/ios/app/katchao/id1389699574 (this page in markdown: same URL + `.md`)
- Developer: [Duc Tam Trinh](https://appshunter.io/developer/1252200086)
- Category: Shopping
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 15 MB
- Languages: American English
- Released: 2019-07-03
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/katchao/id1389699574/reviews.md

## What is Katchao!?

「Katchao!」は、商品バーコードやキーワードで価格、レビュー、ランキングなどの視点から比較検討できるショッピング補助アプリです。

通販の最安値を検索するだけでなく、気になった商品をバーコードでスキャンして口コミを確認したり、メモの変わりに使うこともできます。

※このアプリでできること：

・商品バーコード検索：
バーコード検索機能により、外出先で気になった製品も、バーコードを読み取ることで、すばやく簡単に検索できます。

・キーワード検索：
調査したいキーワードを入力して検索ボタンを押すだけで、自分にぴったりの製品を見つけることができます。

・履歴機能：
検索履歴に検索時間や商品名なども表示されるので、あとから確認するときにわざわざ検索しなくていいので便利。

・ほしい物リスト：
気に入った製品をほしい物リストに登録機能で、ワンタップで製品を簡単に「ほしい物リスト」に登録できます。

・ランキング：
２億点以上の商品から人気商品のランキングが閲覧可能。
ジャンル別や男女別など、様々なランキングをチェックできます。

## Key features

- Barcode product search
- Keyword search for products
- Search history tracking
- Wishlist functionality
- Product ranking browsing
- Price comparison

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/katchao/id1389699574/reviews.md

### 4/5 — なかなか良いです。

*2023-02-18*

商品が底値で検索できて買えるので
原価資本主義の通販と言えると思い
ます。

### 5/5 — とても便利です！

*2019-07-03*

よくショッピングしているから、このアプリを使ってみました。とても便利です。

## Frequently asked questions about Katchao!

### What can Katchao! do?

Katchao! allows you to compare prices, reviews, and rankings of products by scanning barcodes or using keywords. You can also save items to a wishlist and view popular product rankings.

### How does Katchao! help me find the best prices?

You can search for the lowest prices online by entering keywords or scanning product barcodes. The app aggregates this information to help you make informed purchasing decisions.

### Can I save products I'm interested in with Katchao!?

Yes, Katchao! features a 'wishlist' function that allows you to easily add products you like with a single tap for later reference.

### Does Katchao! show popular products?

Katchao! provides access to rankings of popular products from a selection of over 200 million items, categorized by genre and gender.

### Is Katchao! available on Android devices?

Based on the provided information, Katchao! is supported on iPhone, iPad, and iPod. Android device compatibility is not specified.

### When was Katchao! last updated?

The latest version of Katchao! is 1.0.2, which was last updated on July 11, 2019.

### What is the age rating for Katchao!?

Katchao! has an age rating of 4+, making it suitable for a wide range of users.

### Does Katchao! have ads?

No, Katchao! does not contain advertisements.

## Version history (last 3 releases)

### 1.0.2 — 2019-07-11

- Fix minor bug

### 1.0.1 — 2019-07-08

- Add share product's URL
- Add copy text function
- Add backdrop style

### 1.0.0 — 2019-07-02

No release notes.

## Apps similar to Katchao!

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [最安値サーチ - 有名ECサイトをまとめて検索](https://appshunter.io/ios/app/ec/id548988096) | — | Free | Shopping |
| [価格サーチ](https://appshunter.io/ios/app/id474475587) | 3.0 (1) | Free | Shopping |
| [ikommer - hàng nội địa Nhật](https://appshunter.io/ios/app/ikommer-hang-noi-ia-nhat/id6450911309) | — | Free | Shopping |
| [買い物ポケットbyGMO](https://appshunter.io/ios/app/bygmo/id447045138) | 3.0 (1) | Free | Shopping |
| [Milala](https://appshunter.io/ios/app/milala/id6444173581) | — | Free | Shopping |
| [Good value calculator](https://appshunter.io/ios/app/good-value-calculator/id1349646286) | — | Free | Shopping |

## More apps by Duc Tam Trinh

- [JAccent: Japanese dict with AI](https://appshunter.io/ios/app/jaccent-japanese-dict-with-ai/id1252200087)
- [sZip Lite: Zip Management Tool](https://appshunter.io/ios/app/szip-lite-zip-management-tool/id1454893258)

All apps by Duc Tam Trinh: https://appshunter.io/developer/1252200086

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*