QR Code Scanner vs KCH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR Code Scanner
Instantly scan QR codes from your iPhone camera or photo library. Quickly access information and keep a history of all your scanned codes for easy review.
- QR code scanning
- Camera integration
- Photo album scanning
- Scan history
- Quick access
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QR Code Scanner is a simple, fast QR code and barcode scanning tool, built specifically for iPhone. Trusted by users in Japan, with over 270,000 ratings and an average of 4.5 stars on the Japan App Store. The camera launches instantly when you open the app — no extra steps needed. Just point and scan. 【Key Features】 ・Supports QR codes, EAN-13, and other barcode formats ・Supports Wi-Fi QR codes — connect to a network right after scanning, no need to type the password manually ・Supports Passkey QR codes ・Scan directly from photos in your library — no camera needed ・Scan results are automatically saved to your history for easy reference anytime ・Built-in flashlight for scanning in low light ・Share scan results with one tap ・Choose to open links in Safari or the app's built-in browser ・Supports Dark Mode 【Use Cases】 ・Scan QR codes on storefronts, flyers, and posters ・Connect to Wi-Fi at restaurants, hotels, and public venues ・Look up product info from barcodes ・Scan QR codes from screenshots or photos sent by friends ・Scan QR codes for event registration, tickets, and coupons Clean, intuitive, and ready the moment you open it — your go-to QR code and barcode scanner, always at hand.
KCH
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KCH-10VA-J is a dedicated controller app for the KCH-10VA industrial device. The app connects to the device via Bluetooth Low Energy (BLE) and allows users to monitor status, control operations, and manage timers directly from an iPhone. Main features: • Scan and connect to nearby KCH-10VA devices via BLE • Control fan and combustion functions • Create and manage timers (daily or one-time) • Sync device time with the mobile device • View device status and next scheduled timer This application is designed for use with compatible KCH-10VA hardware only. It does not support cloud connectivity and operates locally via Bluetooth. Recommended for industrial and professional use.
Screenshots
Verdict
The clearest difference is ads: KCH at none against QR Code Scanner's shown. KCH also leads on update cadence (every 2 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
QR Code Scanner ships an update fortnightly, KCH every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | QR Code Scanner | KCH |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (93 ratings) — better | — |
| Positive reviews | 74.5% of reviews | — |
| Number of ratings | 93 — better | — |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 9 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Takashi Wada | CÔNG TY CỔ PHẦN KATSURA VIỆT NAM |
In-app purchases
QR Code Scanner
No in-app purchases
KCH
No in-app purchases









