# QRCode vs Maintenance by Socket Mobile

The clearest difference is price: Maintenance by Socket Mobile at Free against QRCode's $0.99. QRCode's advantage is update cadence (every 9 months vs every 21 months) and iOS requirement (11.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Maintenance by Socket Mobile is free to download; QRCode costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QRCode ships an update every 9 months, Maintenance by Socket Mobile every 21 months. The most recent releases landed on September 8, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | QRCode | Maintenance by Socket Mobile |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/maintenance-by-socket-mobile/id1562749373/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 21 months |
| Monetization | — | Free |
| Size | 1 MB | 24 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [p swagath](https://appshunter.io/developer/1490375500) | [Socket Mobile](https://appshunter.io/developer/456055935) |

## What reviewers say

### QRCode

[App page](https://appshunter.io/ios/app/qrcode-barcode-fast-scanner/id1112189321)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Maintenance by Socket Mobile

[App page](https://appshunter.io/ios/app/maintenance-by-socket-mobile/id1562749373)

This utility app allows users to upgrade the firmware on Socket Mobile Bluetooth LE NFC readers and barcode scanners. It provides information on current and available firmware, device statistics, and configuration settings. Designed for advanced users, it facilitates essential maintenance for compatible hardware.

**Highlights:** Firmware upgrade, Display firmware information, Device statistics, Device configuration, Identify reader

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QRCode free?

QRCode costs $0.99, with no in-app purchases.

### Is Maintenance by Socket Mobile free?

Maintenance by Socket Mobile is free to download, with no in-app purchases.

### Do QRCode or Maintenance by Socket Mobile have ads?

Neither QRCode nor Maintenance by Socket Mobile shows ads.

### Which is updated more often, QRCode or Maintenance by Socket Mobile?

QRCode ships an update every 9 months, and Maintenance by Socket Mobile every 21 months. Most recently, QRCode was updated on September 8, 2026 and Maintenance by Socket Mobile on September 1, 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.*