SGC Grading vs CardMaps
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SGC Grading
Manage your trading card collection and grading submissions. Submit orders, track their progress, and build a digital inventory of your graded cards. Access detailed information and verification for your collection.
- Submit and track grading orders
- Build and manage digital card collection
- Verify card certifications and access images
- Search and view pop report data
- Find current services and pricing
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Enhance the way you collect with SGC. Submit and track orders. Easily access Cert Code and Pop Report data. Build, manage, and enjoy your SGC collection. SMOOTH SUBMISSION PROCESS Submit orders directly from the SGC app and track your submissions throughout the entire grading process. MY CARDS FEATURE Build, manage and enjoy your collection in the palm of your hands with the new My Cards feature. SIMPLE & QUICK CERT VERIFICATION Find high-resolution images and information about your SGC graded cards. EASY TO USE POP REPORT A fast and easy way to find pop report data on cards in your collection or cards you’re looking to add to your collection. App features include: Submit orders directly from the SGC app and track the progress of your orders as they go through the grading process Build, manage and enjoy your collection with the My Cards feature Use the Cert Verification feature to access high-resolution images and look up important information about your SGC cards such as graded-on dates Search Pop Report data with ease Download high-resolution images of cards you submit for grading Find current services and pricing Contact our Collector Support Team For more information please visit https://gosgc.com/
CardMaps
Discover local trading card shops, upcoming shows, and vendors. Connect with sellers, get updates, and manage your collection interests. Free to browse, with an optional account for enhanced features.
- Map of card shops with details
- Find upcoming card shows
- Discover vendors and their specialties
- Follow shops and vendors
- Direct messaging with shops/vendors
- User reviews and ratings
- Personalized collection feed
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CardMaps is the map for the trading card community. Find card shops, card shows, and vendors near you — then follow the ones worth keeping up with. FOR COLLECTORS • Browse card shops on a map, with hours, contact details, and directions • Find upcoming card shows near you, with dates, venues, and registration links • Discover vendors who sell at those shows, and see what they specialize in • Favorite shops, follow vendors, and mark the shows you're going to • Get a feed of updates from the sellers you follow • Message shops and vendors directly • Read and write reviews • Tell us what you collect and see results tuned to it Browsing is free and does not require an account. Create a free account to favorite, follow, message, and review. FOR VENDORS AND SHOPS Run a table at shows? Own a shop? Add a public profile and manage it from the same account you collect with. Premium features for vendors and shops include: • Collectors can follow you and message you directly • Post updates that reach all of your followers • Show your eBay, Whatnot, and social links on your profile • Book shows and go live so collectors know where to find you • A shareable QR code for your table or counter • Public reviews and a star rating • A verified badge and a highlighted pin on the map SOFT LAUNCH — PREMIUM FEATURES ARE FREE While we get the first vendors and shops on board, every premium feature listed above is unlocked free. There is no subscription, no trial, no payment method required, and nothing to cancel. COMMUNITY BUILT Shops and shows can be submitted by anyone and are reviewed before they appear, so the map stays accurate. Questions: support@cardmaps.app Terms: https://cardmaps.app/terms Privacy: https://cardmaps.app/privacy
Screenshots
Verdict
The clearest difference is rating: CardMaps at 5.0 against SGC Grading's 4.1. CardMaps also leads on update cadence (every 5 days vs every 4 weeks). SGC Grading's advantage is ratings volume (113 vs 1). On price, ads, in-app purchases and monetization model 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.
CardMaps holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: SGC Grading has 113 ratings behind it against 1, so its average is the more settled of the two.
SGC Grading ships an update every 4 weeks, CardMaps every 5 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | SGC Grading | CardMaps |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (113 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 41.2% of reviews | — |
| Number of ratings | 113 — better | 1 |
| Update frequency | Every 4 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 46 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | SGC Grading | Hernando Media LLC |
Customer experience
SGC Grading
CardMaps
Bugs and requests
SGC Grading
Reported bugs
11 issues- App freezing upon opening
- Need to log back in every time
- Wrong password/username errors after reset
- App kicks out after failed login attempts
- Spinner does not stop on login
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- Cards not transferring to 'My Cards' after completion
- Screen locks up on sign in
- Clicks card without user input
- Loading issue after login (continuous load)
- App crashes on older devices/OS versions
- App stalls on login, requires force close
Requested features
8 requests- Walk-in drop-off service
- Reveal feature like PSA app
- Sort cards after import
- Better order tracking within the app
- iPad/landscape orientation support
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- Face ID login
- Option to add photos for older graded cards
- QR code option for adding cards to registry
CardMaps
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SGC Grading
No in-app purchases
CardMaps
No in-app purchases








