# Grey Trunk RFID vs Karbadi User

The clearest difference is update cadence: Karbadi User at every 5 weeks against Grey Trunk RFID's every 4 months. On price, ads, 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.

Grey Trunk RFID ships an update every 4 months, Karbadi User every 5 weeks. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Grey Trunk RFID | Karbadi User |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/grey-trunk-rfid/id1404905054/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 116 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARK BUSINESS SYSTEMS LLC](https://appshunter.io/developer/1404905053) | [Haresh Parmar](https://appshunter.io/developer/1809981333) |

## What reviewers say

### 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


### Karbadi User

[App page](https://appshunter.io/ios/app/karbadi-user/id6744930664)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grey Trunk RFID free?

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

### Is Karbadi User free?

Karbadi User is free to download, with no in-app purchases.

### Do Grey Trunk RFID or Karbadi User have ads?

Neither Grey Trunk RFID nor Karbadi User shows ads.

### Which is updated more often, Grey Trunk RFID or Karbadi User?

Grey Trunk RFID ships an update every 4 months, and Karbadi User every 5 weeks. Most recently, Grey Trunk RFID was updated on September 15, 2026 and Karbadi User on September 11, 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.*