Comparison

QR Code vs KoreLock Admin

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

Head to head
About

QR Code

This app quickly scans and decodes QR codes and barcodes, supporting various data types like URLs, contacts, and plain text. It also allows users to generate their own QR codes and manage scan history.

Highlights
  • Instant QR code and barcode scanning
  • Generate custom QR codes
  • Scan from photos
  • Unlimited scan history
  • Auto-decode various data types
  • Directly open web links and map locations
Features
Read full description

QR Code Reader is the fastest and most user-friendly QR code scanner available. If your iPhone, iPad, or iPod came with a built-in scanner, this would be it. This app support both barcodes and QR codes, which encode URLs, contact details, emails, or any kind of data. You can also easily generate your own QR code. How to use: 1. Open the scanner 2. Point the camera to the QR code/barcode 3. Auto recognize, scan and decode 4. Get results and relevant options When scanning a QR code, if the code contains a website URL, you will automatically be taken to the site. If the code just contains text, you'll immediately see it. For other formats such as phone numbers, email addresses, or contact info, you will be prompted to take the appropriate action. Features: - For iPhone, iPod touch, and iPad. - Instant Scan. - Unlimited storage for scan history. - Create your own QR Codes. - Auto decode all types of QR codes: contact details, plain text, website URL, telephone number, SMS message, email address, locations... - Scan Barcodes & QR codes from photos in your Photo Roll. - Perform all the actions related to the QR code without quitting the app. - Flashlight supported for low light environment. - Open web links and map locations directly in the app. - Share by mail and text message. Enjoy!

About

KoreLock Admin

Manage and monitor smart locks remotely or via Bluetooth. Register devices, control access for up to 3600 users with custom schedules, and view access history. Configure lock settings like auto-lock and mute.

Highlights
  • Remote lock/unlock
  • User credential management
  • Access scheduling
  • Temporary guest access
  • Access history log
  • Lock settings configuration
Features
Read full description

The KoreLock app provides control and monitoring of your locks from your smartphone over Bluetooth when within range or WiFi to control remotely. This app works with any KoreLock powered locking device. Utilize the KoreLock app to register, configure and control your KoreLock powered smart lock. Control all lock functionality through the app, including: - Lock registration - Connect lock to existing WiFi networks - Lock/Unlock over Bluetooth or remotely over WiFi - Manage up to 3600 unique user credentials - Create access schedules to limit user access to weekly schedules - Create temporary guest credentials/pin codes - View lock access history - Manage lock settings including auto-lock, mute, and lock schedules - Manage and invite additional admins

Screenshots

QR Code2 screens
KoreLock Admin4 screens

Verdict

The call

The clearest difference is rating: KoreLock Admin at 5.0 against QR Code's 3.1. QR Code's advantage is ratings volume (26 vs 2) and iOS requirement (9.0 vs 15.6). On price, update cadence, ads and in-app purchases 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

KoreLock Admin holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: QR Code has 26 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

QR Code ships an update every 4 months, KoreLock Admin every 2 months. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
QR Code versus KoreLock Admin: the parameters behind the verdict, then further details
ParameterQR CodeKoreLock Admin
PriceFreeFree
Rating3.1 (26 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings26 — better2
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size22 MB49 MB
Age rating4+4+
Developer海文 王KoreLock, Inc.

Customer experience

QR Code

All ratings26 ratings
Positive42.3%
Neutral15.4%
Negative42.3%
Written reviews62 reviews
Positive50.0%
Neutral3.2%
Negative46.8%

KoreLock Admin

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

QR Code

No in-app purchases

None

KoreLock Admin

No in-app purchases

Questions

Is QR Code free?
QR Code is free to download, with no in-app purchases.
Is KoreLock Admin free?
KoreLock Admin is free to download, with no in-app purchases.
Which has better reviews, QR Code or KoreLock Admin?
KoreLock Admin is rated higher. QR Code averages 3.1 out of 5 from 26 ratings, while KoreLock Admin averages 5.0 from 2 ratings.
Do QR Code or KoreLock Admin have ads?
Neither QR Code nor KoreLock Admin shows ads.
Which is updated more often, QR Code or KoreLock Admin?
QR Code ships an update every 4 months, and KoreLock Admin every 2 months. Most recently, QR Code was updated on October 14, 2026 and KoreLock Admin on September 27, 2026.

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