Comparison

QR コードリーダー / きゅーあーるこーど読み取り・生成 vs Chouseisan

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

Head to head
About

QR コードリーダー / きゅーあーるこーど読み取り・生成

This app quickly scans QR codes and barcodes by simply pointing your device. It offers features like scan history, a flashlight, and the ability to read codes from saved images. It also supports creating QR codes and searching for product barcodes on shopping sites.

Highlights
  • Instant QR code scanning
  • Read codes from images
  • Create QR codes
  • Product barcode search
  • Scan history and favorites
  • Flashlight feature
  • Widgets and Share Extension
Features
Read full description

The definitive QR code scanner app — ranked #1 among the most-used apps! This is a reliable Japan-made app, developed in strict compliance with the usage guidelines (the terms for a non-exclusive trademark license) set by DENSO WAVE Incorporated, the trademark holder of QR Code. * Non-exclusive trademark license agreement with DENSO WAVE Incorporated: No. 4075066: Class 9 No. 6181403: Class 9, Class 35 No. 6181404: Class 9, Class 35 In recent updates, we've been actively adding new features to make the app even more convenient! - Added support for iPhone Duo - Added support for widgets, Control Center, and the Share Extension - You can now scan multiple QR codes at once - Added Yahoo! Shopping and Mercari to product barcode search - You can now add history items to your favorites [Just launch and point] 1. Scanning starts the moment you open the app! 2. Simply point your screen at a QR code! Also fully equipped with scan history and a flashlight feature! You can even read QR codes from images saved in your camera roll! All features in this app are available for free! [Feature list] - Autofocus - Tap the screen to adjust focus - Support for "Sign in with a passkey" QR codes - Support for Wi-Fi connection QR codes - Scan history - Flashlight feature - Read QR codes from camera roll images - Change the app icon - Automatically detects which apps can be launched based on the scanned content - Scan product barcodes to search for items on shopping sites - QR code creation - Widgets, Share Extension, and Control Center If prompted for camera access on launch, please allow it. If a camera launch error appears, go to "Settings" > "Privacy" > "Camera" on your iPhone and enable access for "QR Code." [Supported barcodes] Codabar, Code 39, Code 39 mod 43, Code 93, Code 128, EAN-8, EAN-13, GS1 DataBar, GS1 DataBar Expanded, GS1 DataBar Limited, Interleaved 2 of 5 (ITF), ITF14, UPC-E Aztec, DataMatrix, Micro PDF417, Micro QR, PDF417, QR * Featured in AppBank's "3 Free Apps People Actually Used [July 2018 Edition]" on 2018/08/02 and others * Ranked #1 in AppBank's "[Updated Daily] Top 50 Most-Used Free Apps" on 2016/06/16 and others * Ranked #1 in AppBank's "Weekly Ranking of the Top 50 Most-Used Free Apps" on 2016/06/16 and others * Featured in many other media outlets QR Code is a registered trademark of DENSO WAVE Incorporated.

About

Chouseisan

This free scheduling app simplifies event organization for both personal and professional use. Easily create event pages and share URLs with guests to coordinate schedules efficiently. It's a top scheduling service in Japan, designed for smooth itinerary planning.

Highlights
  • Streamlines event scheduling
  • Easy event page creation
  • Shareable event URLs
  • Suitable for private and business use
  • Large user base in Japan
Features
Read full description

Chouseisan is a free and easy to use scheduling application that streamlines scheduling. By streamlining scheduling, you can organize all kinds of events smoothly. ■ One of the largest scheduling services in Japan This is the official application of Chouseisan, one of the largest scheduling applications in Japan with over 8 million monthly active users. ■ Streamlines scheduling for all types of events The simple user experience makes it easy for anyone to use, and it can be used for a wide range of itinerary coordination from private to business situations. ■ Just share the URL with your guests to schedule an event. You can create an event page easily by simply entering the name of the event and possible dates. In addition, the URL of the event page can be shared with guests via chat, etc., for easy scheduling. ■ Completely free of charge Chouseisan is completely free of charge.

Screenshots

QR コードリーダー / きゅーあーるこーど読み取り・生成4 screens
Chouseisan4 screens

Verdict

The call

The clearest difference is update cadence: QR コードリーダー / きゅーあーるこーど読み取り・生成 at weekly against Chouseisan's fortnightly. Chouseisan's advantage is iOS requirement (15.6 vs 17.0). On price, rating, review sentiment and ratings volume 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for QR コードリーダー / きゅーあーるこーど読み取り・生成 against 4.9 for Chouseisan. Both are backed by a comparable volume of ratings — 53 and 43 respectively. Written reviews are what separate them: 73% of QR コードリーダー / きゅーあーるこーど読み取り・生成's written reviews are positive against 75% of Chouseisan's.

UpkeepUpdate frequency

QR コードリーダー / きゅーあーるこーど読み取り・生成 ships an update weekly, Chouseisan fortnightly. The most recent releases landed on November 13, 2026 and November 14, 2026 respectively.

Scorecard2 real differences · 8 level
QR コードリーダー / きゅーあーるこーど読み取り・生成 versus Chouseisan: the parameters behind the verdict, then further details
ParameterQR コードリーダー / きゅーあーるこーど読み取り・生成Chouseisan
PriceFreeFree
Rating4.8 (53 ratings)4.9 (43 ratings) — better
Positive reviews72.5% of reviews75.0% of reviews — better
Number of ratings53 — better43
Update frequencyWeekly — betterFortnightly
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size43 MB99 MB
Age rating4+4+
DeveloperdotColors LLCMixtend Inc.

Customer experience

QR コードリーダー / きゅーあーるこーど読み取り・生成

All ratings53 ratings
Positive90.6%
Neutral9.4%
Negative0.0%
Written reviews51 reviews
Positive72.5%
Neutral11.8%
Negative15.7%

Chouseisan

All ratings43 ratings
Positive97.7%
Neutral2.3%
Negative0.0%
Written reviews20 reviews
Positive75.0%
Neutral5.0%
Negative20.0%

In-app purchases

None

QR コードリーダー / きゅーあーるこーど読み取り・生成

No in-app purchases

None

Chouseisan

No in-app purchases

Questions

Is QR コードリーダー / きゅーあーるこーど読み取り・生成 free?
QR コードリーダー / きゅーあーるこーど読み取り・生成 is free to download, with no in-app purchases.
Is Chouseisan free?
Chouseisan is free to download, with no in-app purchases.
Which has better reviews, QR コードリーダー / きゅーあーるこーど読み取り・生成 or Chouseisan?
Chouseisan is rated higher. QR コードリーダー / きゅーあーるこーど読み取り・生成 averages 4.8 out of 5 from 53 ratings, while Chouseisan averages 4.9 from 43 ratings.
Do QR コードリーダー / きゅーあーるこーど読み取り・生成 or Chouseisan have ads?
Both QR コードリーダー / きゅーあーるこーど読み取り・生成 and Chouseisan show ads.
Which is updated more often, QR コードリーダー / きゅーあーるこーど読み取り・生成 or Chouseisan?
QR コードリーダー / きゅーあーるこーど読み取り・生成 ships an update weekly, and Chouseisan fortnightly. Most recently, QR コードリーダー / きゅーあーるこーど読み取り・生成 was updated on November 13, 2026 and Chouseisan on November 14, 2026.

Other comparisons