The short answer
Pick Card Centering Calculator if you only want centering, on an iPhone, for a one-time $4.99. Pick Midpoint if you also want corners, edges and surface judged, the grade estimated and the card priced raw and graded, on iPhone, Android or the web.
Choose Card Centering Calculator if
- You only need centering
- You prefer a one-time purchase to a subscription
- You want the ACE and SGC centering scales too
Choose Midpoint if
- You want the whole grade, not just centering
- You want to see if grading pays: raw and graded prices on the same screen
- You use Android or the web
Feature by feature
| Feature | Midpoint | Card Centering Calculator |
|---|---|---|
| Measures centering from a photo | Yesautomatic outer edge + print frame, 8 handles, ratios and mm | Yesautomatic or manual guides; six graders |
| Estimates the grade (corners, edges, surface) | YesPSA, BGS, CGC and TAG estimates with subgrades | Nocentering only, by its own listing |
| Identifies a card from a photo | Yes | Not stated |
| Reads graded slab labels | YesPSA, BGS, CGC, TAG | Not stated |
| Raw (ungraded) market prices | Yes | Not stated |
| Graded prices (PSA, BGS, CGC…) | YesPSA, CGC, BGS, SGC, TAG by grade | Not stated |
| Price history charts | Yes | Not stated |
| Price alerts | Yespush + email | Not stated |
| Collection value tracking | Yes | Not stated |
| Bulk scanning | Yesup to 200 cards, or one photo of a whole binder page | Not stated |
| CSV export | Yes | Not stated |
| Buy and sell inside the app | Nolinks out to live eBay listings | Not stated |
| Community / forum | Yes | Not stated |
“Not stated” means none of Card Centering Calculator’s official pages we checked describe the feature either way.
What each costs
Card Centering Calculator
- Free: $0 (with ads). Centering measurement.
- Premium: $4.99 one-time. No ads, real-time grades, higher scanner resolution (per the developer, January 2025).
Midpoint
- Free: $0. All prices (raw and graded), price history and sold listings; 2 centering or grading analyses; 2 photo lookups; 3 Chat questions a day; free centering checker on the web (3 a day, no account).
- Weekly: $9.99/week. Unlimited centering, AI grading, photo lookup, bulk and scan-a-sheet, adding cards to your collection, unlimited Chat.
- 6 months: $49.99. Same as Weekly.
- Annual: $79.99/year. Same as Weekly.
Where Card Centering Calculator is strong
- The most-rated centering-only app on the US App Store (4.7 from 2,489 ratings)
- Centering grade at six graders, front and back
- One-time purchase instead of a subscription
Ratings: iOS 4.7 (2,489 ratings).
Switching to Midpoint
Nothing to move: re-scan the cards you are about to submit.
Questions
Does Card Centering Calculator estimate the full grade?
No. Its App Store listing says it does not assess corners, edges, surface or other criteria. Midpoint estimates the grade with subgrades.
Is there an Android version?
Card Centering Calculator is iPhone-only. Midpoint is on iPhone, Android and the web.
