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Last updated on: 2026-09-27
Android Apps > Sports > CertCheck - Graded Card Lookup
App profile · Sports · Data updated 2026-09-27
CertCheck - Graded Card Lookup icon

CertCheck - Graded Card Lookup

by MNM Applications · Free · Version 1.20

“Verify graded card details and check population reports. PSA, CGC, SGC, and more” the developer's tagline

Availability On Google Play since October 2022
Rating on Google Play
4.08/5
16 ratings
At a glance AppBrain's trailer of this app, made from our data
Rating
4.08
16 reviews
Total installs
5.4
thousand
Installs, last 30 days
8
Best rank
–
not in the top lists
Last updated
October 16, 2022
1.20
AppBrain's verdict EstablishedNiche

CertCheck - Graded Card Lookup is a niche app, with 5.4 thousand installs. It doesn't have enough ratings yet to judge what users think.

CertCheck - Graded Card Lookup is made and published by MNM Applications. AppBrain is an independent app data site and isn't affiliated with MNM Applications. The app name, icon, screenshots and description belong to MNM Applications and are shown as published on Google Play.

About CertCheck - Graded Card Lookup

“Verify graded card details and check population reports. PSA, CGC, SGC, and more”

MNM Applications, on Google Play

CertCheck - Graded Card Lookup is a sports app developed by MNM Applications.

Install Statistics

CertCheck - Graded Card Lookup has been installed 5.4 thousand times. In the last 30 days, the app was installed 8 times.

User Ratings

CertCheck - Graded Card Lookup is rated 4.08 out of 5 stars. The rating is based on 16 ratings.

App Information

CertCheck - Graded Card Lookup is freely available from Google Play. The app size is 3.75 MB. The latest version available is 1.20. The last update was on October 16, 2022.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since October 2022.

Description by MNM Applications (from Google Play)
CertCheck - A lookup and verification utility for Graded Card certificate information - CGC, PSA, SGC, and more grading companies.

Before purchasing your next graded card, it's a good idea to double check it's certificate info. This helps you validate all the details about the card you're about to spend hard-earned money on, and it can also warn you if the cert has become invalidated in the case that it was determined to be fake or altered after the fact.

The CertCheck app makes it easy to find all the certificate details for cards in your collection or cards you're thinking about purchasing, and it works across most major grading companies too.



★ Grading Companies Supported:

CertCheck supports cards that are graded and authenticated by the following grading companies:

- PSA - Professional Sports Authenticator
- CGC - Certified Guaranty Company
- SGC - Sportscard Guaranty Corporation
- AGS - Automated Grading Systems
- DSG - Diamond Service Grading
- MNT - MNT Grading
- PGS - Platin Grading Service
- [Coming soon] KSA



★ Types of Cards Supported:

CertCheck works for all different types and genres of cards of cards. It can pull card details for sports cards like baseball cards, basketball cards, or football cards. It can also retrieve card information for Pokemon TCG cards, Yugioh cards, and MTG cards. As long as CertCheck supports the card's grading company, it's details can likely be found by CertCheck. This works across a variety of collectible card games / trading card games such as the following:

- Pokemon cards
- Yugioh cards
- Magic the Gathering cards
- Football cards
- Baseball cards
- Basketball cards
- Hockey cards
- And more!



★ How to Use:

You can search for graded card certificate details in one of two ways:

1) Camera Scan

Press the camera icon floating near the bottom of the home screen to initiate a camera search. Line up the QR code on the slab you'd like to search with the camera preview and the searching should happen automatically if the brand is recognized.

NOTE: Scanning currently only works for CGC and PSA graded cards. Other supported companies do not offer QR codes on their slabs.


2) Manual certificate number entry

Enter the certificate number of the graded card that you'd like to search, then select the radio button corresponding to the slab's grading company. Click the search button to initiate, and the results should appear within a couple seconds if the card details were found.



★ Disclaimers:

Some PSA cards will directly link out to the certificate page if the app is unable to complete a search.

KSA cards certified before 2012 may not be searchable. According to KSA, these cards have not been entered into their searchable database yet.

All data and information is provided “as is” - CertCheck cannot completely guarantee the accuracy of all data displayed. You should use the link provided for each card search to view the official certificate information as an extra layer of validation.

CertCheck is not affiliated with any of the aforementioned grading companies.

If you experience any problems with the app, please contact me via the address listed below.



★ Support:
Email: mnmapplications@gmail.com
Developer Website: www.MNMApplications.com

Recent changes:
- Adding DSG as a search option
- Adding an expanded similar items on eBay screen with better sorting and filtering controls
- Introducing the ability to manage saved lists of cards, and to see all past cards that have been searched
Show more Show less
Price Free
Total installs 5.4 thousand
Recent installs 8
Rating 4.08 based on 16 ratings
Ranking Not ranked
Version 1.20
App size 3.75 MB
Number of libraries ?
Suitable for Everyone
Ads Contains ads

App Performance Report

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Screenshots

CertCheck - Graded Card Lookup Screenshot 1 of 8
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CertCheck - Graded Card Lookup Screenshot 4 of 8
CertCheck - Graded Card Lookup Screenshot 5 of 8
CertCheck - Graded Card Lookup Screenshot 6 of 8
CertCheck - Graded Card Lookup Screenshot 7 of 8
CertCheck - Graded Card Lookup Screenshot 8 of 8
Screenshots by MNM Applications, from the Google Play listing
4.08 · 16 reviews · 5,000+ downloads
Official page on Google Play

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Google Play Rating history and histogram

Rating history
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Installs over time

Installs over time
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CertCheck - Graded Card Lookup has been installed 5.4 thousand times. Over the past 30 days, it has been installed 8 times.

Changelog of CertCheck - Graded Card Lookup

Show changelog

Developer information for MNM Applications

MNM Applications

mnmapplications@gmail.com

Website

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Comments on CertCheck - Graded Card Lookup for Android

★★★★★ Digs Daner · Jun 19, 2021
Great app! This makes it trivially easy to look up the certs for my graded cards-- just scan and the info is pulled up instantly. Also, handy that this developer has a crypto portfolio app so between the two, I've got all most of "new economy" investments covered. All that's left is an app for NFTs!
★★★★★ mininggpu coin · May 28, 2023
Seriously exceeded expectations! Easily look up pics for a bunch a cards quickly like psa and cgc mostly. Super easy vs. Going to the websites directly.

Google Play Rankings for CertCheck - Graded Card Lookup

This app is not ranked

Technologies used by CertCheck - Graded Card Lookup

8 permissions
Subscribe to see full permission and library details
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