# QR Code vs KoreLock Admin

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.

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

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.

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.

## The numbers

| Metric | QR Code | KoreLock Admin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (26 ratings)](https://appshunter.io/ios/app/qr-code-qr-reader-and-scanner/id1180506724/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/korelock-admin/id6444193771/reviews)** |
| Number of ratings | **26** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 22 MB | 49 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海文 王](https://appshunter.io/developer/380479150) | [KoreLock, Inc.](https://appshunter.io/developer/1652983807) |

## What reviewers say

### QR Code

[App page](https://appshunter.io/ios/app/qr-code-qr-reader-and-scanner/id1180506724)

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:** macOS Compatibility

**In-app purchases:** none


### KoreLock Admin

[App page](https://appshunter.io/ios/app/korelock-admin/id6444193771)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*