ERAD Mobile vs Grey Trunk RFID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERAD Mobile
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.
- 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
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Welcome to ERAD™, a patented platform available only to Law Enforcement Agencies. This complete investigative solution provides Law Enforcement with the ability to inventory and interrogate any plastic card found during an arrest. The ERAD platform will help you document every confiscated credit, debit and prepaid card, and instantaneously provide key card issuer information that’s critical to your investigation. And if some of those cards are prepaid cards, ERAD™ gives you the ability, right at the point of arrest, to determine the value and immediately secure or freeze those funds. With this information, and proper legal authority, Law Enforcement personnel can transfer the money associated with a prepaid card directly to a designated Law Enforcement bank account to protect the integrity of the evidence and ensure the funds are available for trial or forfeiture. ERAD™provides a full array of reports to provide forensic analysis and documentation required for subpoenas, warrants or management information.
Grey Trunk RFID
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.
- RFID asset tracking
- Barcode scanning via camera
- Bluetooth RFID reader pairing
- Inventory reporting
- Bulk item actions
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Grey Trunk RFID is a beautiful out of the box solution to help users track their assets. Grey Trunk allows the small and medium-sized business to utilize RFID at the price of Barcode. If you are not ready for RFID yet, Grey Trunk allows for users to download the app and use the camera as a barcode scanner. The Grey Trunk app allows users to pair with a Bluetooth RFID reader and create inventory reports or process bulk actions on items.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ERAD Mobile | Grey Trunk RFID |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.5 (6 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 8 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 12 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | ERAD Group, Inc. | ARK BUSINESS SYSTEMS LLC |
Customer experience
ERAD Mobile
Grey Trunk RFID
In-app purchases
ERAD Mobile
No in-app purchases
Grey Trunk RFID
No in-app purchases









