# RS3 NFC Setup vs Maintenance by Socket Mobile

The clearest difference is rating: Maintenance by Socket Mobile at 5.0 against RS3 NFC Setup's 1.0. RS3 NFC Setup's advantage is update cadence (every 5 months vs every 21 months). On price, ratings volume, 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.

Maintenance by Socket Mobile holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

RS3 NFC Setup ships an update every 5 months, Maintenance by Socket Mobile every 21 months. The most recent releases landed on September 14, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | RS3 NFC Setup | Maintenance by Socket Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/rs3-nfc-setup/id1047923529/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/maintenance-by-socket-mobile/id1562749373/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 9 MB | 24 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serialio Ltd.](https://appshunter.io/developer/333178140) | [Socket Mobile](https://appshunter.io/developer/456055935) |

## What reviewers say

### RS3 NFC Setup

[App page](https://appshunter.io/ios/app/rs3-nfc-setup/id1047923529)

Configure an NFC reader for various card types like iClass, PROX, and MiFare. Easily adjust settings such as card hold time, output format (decimal/HEX), and Wiegand bits. Settings are saved directly to the device's flash memory.

**Highlights:** NFC reader setup, Supports iClass, PROX, ICODE, MiFare, AWID, Configure card hold time, Set output format (decimal/HEX), Control Wiegand bits, Setup delimiters, Persistent settings storage

**Features:** macOS Compatibility

**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 RS3 NFC Setup free?

RS3 NFC Setup is free to download, with no in-app purchases.

### Is Maintenance by Socket Mobile free?

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

### Which has better reviews, RS3 NFC Setup or Maintenance by Socket Mobile?

Maintenance by Socket Mobile is rated higher. RS3 NFC Setup averages 1.0 out of 5 from 2 ratings, while Maintenance by Socket Mobile averages 5.0 from 1 ratings.

### Do RS3 NFC Setup or Maintenance by Socket Mobile have ads?

Neither RS3 NFC Setup nor Maintenance by Socket Mobile shows ads.

### Which is updated more often, RS3 NFC Setup or Maintenance by Socket Mobile?

RS3 NFC Setup ships an update every 5 months, and Maintenance by Socket Mobile every 21 months. Most recently, RS3 NFC Setup was updated on September 14, 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.*