# SGC Grading vs CardMaps

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.

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.

## The numbers

| Metric | SGC Grading | CardMaps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (113 ratings)](https://appshunter.io/ios/app/sgc-grading/id1625689449/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardmaps/id6791249193/reviews)** |
| Number of ratings | **113** | 1 |
| Positive reviews | 41.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 46 MB | 57 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SGC Grading](https://appshunter.io/developer/1724962251) | [Hernando Media LLC](https://appshunter.io/developer/1896499800) |

## What reviewers say

### SGC Grading

[App page](https://appshunter.io/ios/app/sgc-grading/id1625689449)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast service (company)
- 👍 Good company reputation
- 👍 Nice app addition
- 👍 Competitive pricing

**What reviewers complain about**

- 🐛 App is buggy
- 🐛 Constantly freezing
- 🐛 Slow performance
- 🐛 Login issues
- 🐛 Requires frequent re-login

**Reported bugs**

- 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

**Requested features**

- Walk-in drop-off service
- Reveal feature like PSA app
- Sort cards after import
- Better order tracking within the app
- iPad/landscape orientation support


### CardMaps

[App page](https://appshunter.io/ios/app/cardmaps/id6791249193)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SGC Grading free?

SGC Grading is free to download, with no in-app purchases.

### Is CardMaps free?

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

### Which has better reviews, SGC Grading or CardMaps?

CardMaps is rated higher. SGC Grading averages 4.1 out of 5 from 113 ratings, while CardMaps averages 5.0 from 1 ratings.

### Do SGC Grading or CardMaps have ads?

Neither SGC Grading nor CardMaps shows ads.

### Which is updated more often, SGC Grading or CardMaps?

SGC Grading ships an update every 4 weeks, and CardMaps every 5 days. Most recently, SGC Grading was updated on November 3, 2026 and CardMaps on November 6, 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.*