Comparison

QR Code Scanner vs KCH

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • QR code scanning
  • Camera integration
  • Photo album scanning
  • Scan history
  • Quick access
Features
Read full description

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.

About

KCH

Features
Read full description

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

QR Code Scanner3 screens
KCH4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
QR Code Scanner versus KCH: the parameters behind the verdict, then further details
ParameterQR Code ScannerKCH
PriceFreeFree
Rating4.7 (93 ratings) — better—
Positive reviews74.5% of reviews—
Number of ratings93 — better—
Update frequencyFortnightlyEvery 2 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size9 MB18 MB
Age rating4+4+
DeveloperTakashi WadaCÔNG TY CỔ PHẦN KATSURA VIỆT NAM

In-app purchases

None

QR Code Scanner

No in-app purchases

None

KCH

No in-app purchases

Questions

Is QR Code Scanner free?
QR Code Scanner is free to download, with no in-app purchases.
Is KCH free?
KCH is free to download, with no in-app purchases.
Do QR Code Scanner or KCH have ads?
QR Code Scanner shows ads; KCH does not.
Which is updated more often, QR Code Scanner or KCH?
QR Code Scanner ships an update fortnightly, and KCH every 2 days. Most recently, QR Code Scanner was updated on November 1, 2026 and KCH on October 31, 2026.

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