# SerialMagic Keys vs ShieldCampus Crisis

The clearest difference is in-app purchases: ShieldCampus Crisis at none against SerialMagic Keys's 9. ShieldCampus Crisis also leads on update cadence (fortnightly vs monthly). SerialMagic Keys's advantage is iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. SerialMagic Keys sells 9 one-off in-app purchases. ShieldCampus Crisis asks for nothing beyond the download.

SerialMagic Keys ships an update monthly, ShieldCampus Crisis fortnightly. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SerialMagic Keys | ShieldCampus Crisis |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 12 MB | 3 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Serialio Ltd.](https://appshunter.io/developer/333178140) | [SHIELDCAMPUS, LLC](https://appshunter.io/developer/1679069785) |

## What reviewers say

### SerialMagic Keys

[App page](https://appshunter.io/ios/app/serialmagic-keys/id1122825214)

This app enables wireless RFID GEN2 UHF, NFC, and barcode readers, along with other devices, to send data directly into iOS applications. It supports a wide range of Bluetooth scanners and sensors, making it ideal for inventory, asset tracking, and data collection tasks.

**Highlights:** Connects wireless RFID GEN2 UHF, NFC, and barcode readers, Integrates with sensors, scales, and other wireless devices, Sends data directly into iOS apps, Supports a wide range of Bluetooth scanner models, Enables data input for inventory, asset tracking, and more, Reads and writes NDEF data, Simulates keyboard input for data posting

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable RFID-NFC User Data Reading & Writing | $19.99 | one-time |
| Built-in NFC reading | $19.99 | one-time |
| Allow Special Key(s) | $19.99 | one-time |
| Enable Data Handling | $24.99 | one-time |
| More supported scanners | $29.99 | one-time |
| Laser Measurer support | $49.99 | one-time |
| S3 Scale Head support | $79.99 | one-time |
| PosiTector 6000 support | $89.99 | one-time |
| Advanced Posting Mode | $99.99 | one-time |


### ShieldCampus Crisis

[App page](https://appshunter.io/ios/app/shieldcampus-crisis/id6740538777)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SerialMagic Keys free?

SerialMagic Keys is free to download, with in-app purchases available.

### Is ShieldCampus Crisis free?

ShieldCampus Crisis is free to download, with no in-app purchases.

### Do SerialMagic Keys or ShieldCampus Crisis have ads?

Neither SerialMagic Keys nor ShieldCampus Crisis shows ads.

### Which is updated more often, SerialMagic Keys or ShieldCampus Crisis?

SerialMagic Keys ships an update monthly, and ShieldCampus Crisis fortnightly. Most recently, SerialMagic Keys was updated on October 1, 2026 and ShieldCampus Crisis on October 10, 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.*