# ERAD Mobile vs Grey Trunk RFID

The clearest difference is rating: ERAD Mobile at 5.0 against Grey Trunk RFID's 2.5. ERAD Mobile also leads on iOS requirement (12.0 vs 17.6). Grey Trunk RFID's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

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

ERAD Mobile holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Grey Trunk RFID has 6 ratings behind it against 1, so its average is the more settled of the two.

ERAD Mobile ships an update every 8 months, Grey Trunk RFID every 4 months. The most recent releases landed on September 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ERAD Mobile | Grey Trunk RFID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/erad-mobile/id1155992956/reviews)** | [2.5 (6 ratings)](https://appshunter.io/ios/app/grey-trunk-rfid/id1404905054/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 43 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ERAD Group, Inc.](https://appshunter.io/developer/1155992955) | [ARK BUSINESS SYSTEMS LLC](https://appshunter.io/developer/1404905053) |

## What reviewers say

### ERAD Mobile

[App page](https://appshunter.io/ios/app/erad-mobile/id1155992956)

This investigative solution allows law enforcement to document and interrogate plastic cards found during arrests. It provides critical card issuer information and enables immediate securing or freezing of funds from prepaid cards, with reporting for forensic analysis and legal documentation.

**Highlights:** Document confiscated credit, debit, and prepaid cards, Interrogate plastic cards found during arrests, Instant card issuer information retrieval, Secure or freeze prepaid card funds, Forensic analysis and documentation reports, Transfer funds to law enforcement accounts

**Features:** macOS Compatibility

**In-app purchases:** none


### Grey Trunk RFID

[App page](https://appshunter.io/ios/app/grey-trunk-rfid/id1404905054)

This app enables small and medium-sized businesses to track assets using RFID technology at a barcode scanner's price. It also functions as a barcode scanner using your device's camera and can pair with Bluetooth RFID readers for inventory management and bulk actions.

**Highlights:** RFID asset tracking, Barcode scanning via camera, Bluetooth RFID reader pairing, Inventory reporting, Bulk item actions

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

**In-app purchases:** none


## Frequently asked questions

### Is ERAD Mobile free?

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

### Is Grey Trunk RFID free?

Grey Trunk RFID is free to download, with no in-app purchases.

### Which has better reviews, ERAD Mobile or Grey Trunk RFID?

ERAD Mobile is rated higher. ERAD Mobile averages 5.0 out of 5 from 1 ratings, while Grey Trunk RFID averages 2.5 from 6 ratings.

### Do ERAD Mobile or Grey Trunk RFID have ads?

ERAD Mobile shows ads; Grey Trunk RFID does not.

### Which is updated more often, ERAD Mobile or Grey Trunk RFID?

ERAD Mobile ships an update every 8 months, and Grey Trunk RFID every 4 months. Most recently, ERAD Mobile was updated on September 23, 2026 and Grey Trunk RFID on October 24, 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.*