Grey Trunk RFID vs Karbadi User
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Karbadi User
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1. Second-Hand Car Marketplace Buy & Sell Used Cars: Browse a wide range of pre-owned cars listed by verified sellers. List your car for sale with detailed descriptions, high-quality images, and competitive pricing. Advanced Search Filters: Find the perfect car by filtering based on brand, model, year, price, location, mileage, and condition. Verified Listings: All car listings are vetted to ensure transparency and authenticity, giving buyers confidence in their purchases. Price Negotiation: Communicate directly with sellers to negotiate the best deal securely within the app. Vehicle History Reports: Access detailed history reports (where available) to check a car’s ownership, accident history, and maintenance records. 2. Car Spare Parts Marketplace Buy & Sell Spare Parts: Explore a vast inventory of new and used car spare parts, from engines and tires to electronics and accessories. Compatibility Search: Easily find spare parts compatible with specific car makes and models using the app’s smart search tool. Seller Ratings: Purchase parts from trusted sellers with user reviews and ratings for added peace of mind. 3. User-Friendly Interface Intuitive Design: Navigate effortlessly with a clean, modern interface designed for both novice and experienced users. Secure Messaging: Communicate with buyers and sellers through an in-app chat system to discuss details and finalize deals. 4. Secure Transactions Safe Payment Gateway: Make secure payments through integrated payment options, including credit/debit cards, UPI, and bank transfers. Escrow Protection: Funds are held securely until the buyer confirms receipt and satisfaction with the car or spare parts. Fraud Prevention: Advanced verification processes and AI-driven fraud detection ensure a safe trading environment. 5. Additional Features Price Estimator Tool: Get an estimated market value for your car or spare parts based on real-time data and trends. Community Forum: Join a community of car enthusiasts to share tips, ask questions, and discuss automotive trends. Service Provider Directory: Connect with trusted mechanics, car inspectors, and service centers for post-purchase support.
Screenshots
Verdict
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.
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.
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.
| Parameter | Grey Trunk RFID | Karbadi User |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | ARK BUSINESS SYSTEMS LLC | Haresh Parmar |
In-app purchases
Grey Trunk RFID
No in-app purchases
Karbadi User
No in-app purchases








