On Deck by MDC vs UltraRare
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
On Deck by MDC
Organize, track, and manage your trading card collection from anywhere. Features include inventory management, collection organization, and detailed card information. Sync your data across devices for seamless access.
- Inventory management
- Collection organization
- Card details and grading
- Pricing and tracking
- Fast search and filtering
- Cloud sync
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On Deck by MDC is an inventory, sales, and show-prep platform built for trading card collectors, vendors, and hobby sellers. Manage raw cards and graded slabs, organize collections, track cost and market value, prepare inventory for shows, build trades and bundles, and keep sold cards organized — all from one connected inventory. Whether you collect, sell locally, vend at card shows, or sell online, On Deck gives you a faster way to manage your cards without relying on spreadsheets. FEATURES • RAW & GRADED INVENTORY Track raw cards and graded slabs with card details, cost, market value, grading information, certification numbers, and collection data. • COLLECTION MANAGEMENT Create and organize collections while keeping your inventory searchable and easy to manage. • ON DECK SHOW PREP Move cards into your active selling lineup and quickly access the inventory you plan to bring to a show. • VENDOR MODE Prepare cards for in-person selling, manage show inventory, view pricing targets, and use customizable QR price labels. • TRADE & BUNDLE TOOLS Build multi-card deals and trades while viewing individual and combined market values. • PRIVATE SALES Create a shareable sales catalog from your inventory, add card images, receive buyer inquiries, and manage potential deals. • EBAY MODE Estimate selling fees, shipping costs, and expected take-home amounts before listing or accepting an offer. • COST & MARKET TRACKING Compare what you paid against current market values so you can better understand inventory value and margins. • SOLD CARD TRACKING Record sales while keeping transaction information connected to your inventory history. • FAST SEARCH & FILTERING Quickly find cards across your inventory and collections. • QR & CAMERA WORKFLOWS Use scanning tools to speed up inventory management and card access. • CLOUD SYNC Your inventory is connected to your account and available across supported devices. On Deck by MDC was built around the actual workflow of collectors and card sellers — from adding a card to inventory to preparing for a show, making a trade, or completing a sale. Spend less time managing spreadsheets and more time working with your collection.
UltraRare
Instantly identify trading cards with your camera in real-time, even offline. Get up-to-date market prices and manage your collection with a simple, distraction-free interface. Perfect for collectors on the go or at home.
- Real-time camera card identification
- Offline scanning and recognition
- Up-to-date market price checks
- Complete card index browsing
- Visual gallery for scanned cards
- One-handed operation
- Secure collection syncing
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Instantly identify any trading card with your camera — in real time. No typing. No searching. No internet required. UltraRare recognizes collectible trading cards instantly as you scan, showing you exactly what each card is and what it's worth. Designed to be fast, lightweight, and easy to use with one hand, it's the perfect companion for card shows, local shops, and sorting collections at home. REAL-TIME CARD IDENTIFICATION Instantly recognize cards as you point your camera Continuous scanning lets you identify card after card without stopping Fast, accurate recognition that works completely offline CHECK MARKET VALUES View up-to-date market prices at a glance Browse a complete card index Review your scans in a clean, visual gallery DESIGNED FOR COLLECTORS Free to use Fully functional offline for card identification Comfortable one-handed operation for scanning through large collections Simple, modern, distraction-free interface Securely sign in to save and sync your collection Whether you're opening fresh packs, organizing years of cards, or hunting for hidden gems at a card show, UltraRare transforms a stack of cards into an organized, identified collection in minutes. Download UltraRare today and start scanning instantly.
Screenshots
Verdict
The clearest difference is ads: On Deck by MDC at none against UltraRare's shown. On Deck by MDC also leads on rating (5.0 vs 4.8) and monetization model (free vs ad-supported). UltraRare's advantage is ratings volume (93 vs 1) and update cadence (every 2 days vs every 4 days). 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.
On Deck by MDC holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: UltraRare has 93 ratings behind it against 1, so its average is the more settled of the two.
On Deck by MDC ships an update every 4 days, UltraRare every 2 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | On Deck by MDC | UltraRare |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (93 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 93 — better |
| Update frequency | Every 4 days | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 51 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Villegas | Ultra Rare World, INC |
Customer experience
On Deck by MDC
UltraRare
In-app purchases
On Deck by MDC
No in-app purchases
UltraRare
No in-app purchases









