# MintySlab® \| Card Centering — user reviews > 6 indexed App Store user reviews of MintySlab® | Card Centering by Peryer Technologies LLC, rated 4.56/5 from 9 ratings. - Source: https://appshunter.io/ios/app/mintyslab-card-centering/id6605924591/reviews - App overview in markdown: https://appshunter.io/ios/app/mintyslab-card-centering/id6605924591.md - Rating breakdown: 5★ 7 · 4★ 1 · 3★ 0 · 2★ 1 · 1★ 0 ## Most critical reviews (6 lowest-rated) ### 2/5 — Has potential *2024-10-15* Pros: I really like how the app crops the card neatly to the edges. It works surprisingly well, even if the card is skewed (not perfectly aligned with the camera during the scan). The scanner somehow corrects the skew, and the crop is often nearly perfect, which is crucial for accurately measuring centering. The tool does a good job at automatically detecting the card content. Most of the time, I only need to make small adjustments, but overall, it’s reliable. Cons: I can’t select photos from my library. This is a deal breaker because I often use scans of cards stored in my Photos library or Files app. Could this be added? Another issue is the banner ads. Sometimes, they appear over the “crop” and “keep” buttons at the bottom of the screen. Depending on the width of the banner, I can’t even tap on the buttons (this happens on my iPhone 15 Pro Max). On top of that, the only way to remove ads is with a monthly subscription. I get that the company needs to make money, but adding another subscription is frustrating. I’d be willing to support the app with a one-time purchase, even at a higher price. I’m looking forward to future updates! This has potential to be a 5-star app and I’m hoping the developers make the fixes with the banner ads displaying over the buttons… It basically renders the app useless. **Developer response:** Update (2/10/25): The latest update now allows MintySlab+ subscribers to upload photos from the camera roll. Previous versions have fixed the banner ad issue you mentioned. We hope you try out the latest version and find it useful! _______________________________________ Appreciate the feedback! Adding in a photo upload feature is definitely something we can put into a future release. We’ll also take a look into the banner ad issue you experienced. Thanks for supporting! And remember…Always Scan Before You Slab! ### 5/5 — Best App Ever!!!!!! *2025-12-19* MintySlab is a great sports card scanner that’s fast, accurate, and easy to use. Scanning cards is quick, the info is clear, and it makes managing a collection way simpler. If you collect sports cards, this app is a must-have. **Developer response:** Thanks for the feedback! ### 5/5 — Good tool when buying cards *2025-12-10* I’ve been using this card centering app for over a year now and it works great. Been a subscriber for some time and like the new eBay feature to pull cards I’m looking at to check the centering before I buy them **Developer response:** Thanks for the feedback on our new features! ### 5/5 — Great Card Centering App! *2025-11-29* Saw someone using this online and decided to download it. Works great for centering detection! **Developer response:** Thanks for the feedback! ### 5/5 — Finally a good pre-grade app! *2024-10-13* Been into trading cards for some time now and started to get into grading them. Scanning and it automatically giving me a grade on the centering, much easier for my eyes than using the manual tool **Developer response:** Glad you found our app useful and thanks for supporting! ### 5/5 — Sports *2024-09-30* Amazing App works perfect.. I would highly recommend this App.. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*