# RS3 NFC Setup vs Instant Mobile Alert

The clearest difference is rating: Instant Mobile Alert at 5.0 against RS3 NFC Setup's 1.0. Instant Mobile Alert also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (12.2 vs 15.6). 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.

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

RS3 NFC Setup ships an update every 5 months, Instant Mobile Alert every 3 weeks. The most recent releases landed on October 18, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | RS3 NFC Setup | Instant Mobile Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/rs3-nfc-setup/id1047923529/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/instant-mobile-alert/id1504137124/reviews)** |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 26 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serialio Ltd.](https://appshunter.io/developer/333178140) | [CAPSOL, LLC](https://appshunter.io/developer/1394185059) |

## 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


### Instant Mobile Alert

[App page](https://appshunter.io/ios/app/instant-mobile-alert/id1504137124)

Receive critical message notifications from authorized administrators on campus or in a business. This utility app is designed for users in any US city, county, or state to stay informed.

**Highlights:** Receive message notifications, Authorized administrator messages, Campus and business alerts, US city, county, and state coverage

**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 Instant Mobile Alert free?

Instant Mobile Alert is free to download, with no in-app purchases.

### Which has better reviews, RS3 NFC Setup or Instant Mobile Alert?

Instant Mobile Alert is rated higher. RS3 NFC Setup averages 1.0 out of 5 from 2 ratings, while Instant Mobile Alert averages 5.0 from 2 ratings.

### Do RS3 NFC Setup or Instant Mobile Alert have ads?

Neither RS3 NFC Setup nor Instant Mobile Alert shows ads.

### Which is updated more often, RS3 NFC Setup or Instant Mobile Alert?

RS3 NFC Setup ships an update every 5 months, and Instant Mobile Alert every 3 weeks. Most recently, RS3 NFC Setup was updated on October 18, 2026 and Instant Mobile Alert on October 29, 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.*