Centering50 vs Centered Cardboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Centering50
This tool helps collectors accurately measure card centering ratios for TCG and sports cards. It uses AI-assisted scanning and manual guides to provide precise measurements, helping users predict grades and save on submission fees.
- AI-assisted border detection
- Manual measurement guides
- Front and back analysis
- 15x precision zoom
- Grading standard library
- Dynamic contrast adjustment
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Centering50: TCG & Sports Card Grading Tool Stop guessing and start grading with confidence. Whether you are a hardcore Pokémon TCG investor, a sports card flipper, or a casual collector, centering is the #1 reason cards fail to hit a Gem Mint 10. Centering50 is the professional-grade scanner designed to help you predict your grade before you spend a cent on submission fees. WHY CENTERING MATTERS In the modern hobby, the price gap between a PSA 9 and a PSA 10 can be thousands of dollars. Professional graders at PSA, BGS, SGC, CGC, and TAG use digital precision to measure border ratios. If your card is even 2% off, you lose the Gem Mint dream. Centering50 brings that same laboratory precision to your smartphone. PRECISION FEATURES FOR COLLECTORS: "Smart-Snap AI: Our algorithm helps you detect card borders for lightning-fast scanning of modern Pokémon, Magic: The Gathering (MTG), Lorcana, and One Piece cards. Save time with AI-assisted alignment, then fine-tune for 0.1% precision." Auto-Straighten Technology: Don't worry about perfect alignment. Scan at any angle and the app will instantly fix the tilt. The "Magenta Line" Manual Mode: For vintage cards or thick-bordered sports cards (Topps, Panini, Upper Deck), use our high-contrast measurement guides to set your own anchor points with 0.1% accuracy. Grading Standard Library: Instantly compare your results against the official 2026 standards: PSA: 55/45 Front (New 2025 Standard) BGS: 50/50 for Black Label eligibility SGC & CGC: Real-time centering thresholds Front & Back Analysis: Don't get rejected for a 90/10 back! Measure both sides independently to ensure your submission is truly "Perfect." 15x Precision Zoom: Perfectly align your guides on thin silver or gold borders with our enhanced magnification tool. SAVE MONEY ON SUBMISSION FEES Sending cards to be graded is expensive. Why pay for a "Near Mint 7" when you could have known the result at home? Use Centering50 to filter your collection and only send your strongest candidates. It’s the ultimate pre-grading utility for: Pokémon TCG (English & Japanese) Sports Cards (Basketball, Baseball, Football, Soccer) Disney Lorcana & One Piece TCG Yu-Gi-Oh! & Magic: The Gathering DESIGNED FOR THE 2026 HOBBYIST We know you’re scanning in different lighting. Our app features Dynamic Contrast Adjustment and Skew Correction, so even if your photo is slightly tilted, our math remains perfect. HOW TO USE: Place your card on a high-contrast, flat surface (no sleeves for best results). Take a photo directly from above. (with the green bubble in center) Align the Centering50 guides with the card edges and the internal art border. (Optionally: Unlock the image and move/resize/rotate) Get your LR (Left/Right) and TB (Top/Bottom) ratios instantly. JOIN THE 50/50 CLUB Centering50 isn't just a calculator; it’s your secret weapon in the grading game. Download now and take the guesswork out of your collection. Note: Centering50 provides a highly accurate estimate based on physical centering. Final grades are determined by professional grading companies based on additional factors like surface, corners, and edges. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Centered Cardboard
This app helps trading card collectors pre-grade their cards by analyzing centering and alignment. It uses your device's camera and visual tools to provide quick, consistent, and accurate feedback on card position and border spacing.
- Live centering feedback with color-coded indicators
- Skewed measuring for rotated borders
- Exact distances for border spacing
- Gyro leveling crosshair
- Outline guide overlays
- Up to 100x zoom
- Camera capture or photo import
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Centered Cardboard helps you pre-grade trading cards by making centering, alignment, and corner assessment quick, consistent, and easy to understand. Use your camera or import photos to examine cards with clear visual tools designed for accuracy: • Live centering feedback with color-coded ratios • Grading score estimates based on leading grading-company standards • Corner Grading for recording all four front and back corners • Tilted Measuring for cards with rotated inner borders • True Distance measurements for exact border spacing • Adjustable outline guides for accurate card alignment • Gyro crosshair and calibration tools for level camera positioning • Photo filters that improve edge visibility in difficult lighting • Up to 100× zoom for precise positioning and fine adjustments • Camera, Photos, and Files image support • Separate or combined front and back scores • Side-by-side exports for sharing both sides in one image • Cardboard History for saving, searching, editing, and revisiting exports locally • One-tap sharing for quickly saving or sending results Centered Cardboard gives collectors a clear, repeatable way to inspect cards before submitting them for grading. Centered Cardboard is an independent tool and is not affiliated with or endorsed by any card-grading company. Results are estimates and do not guarantee an official grade.
Screenshots
Verdict
The clearest difference is review sentiment: Centered Cardboard at 100% against Centering50's 0%. Centered Cardboard also leads on ads (none vs shown) and rating (4.9 vs 4.6). Centering50's advantage is update cadence (every 8 days vs every 3 weeks). On price, ratings volume, 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. Centering50 sells 3 in-app purchases, starting at $4.99 per month and Centered Cardboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Centered Cardboard holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 42 and 58 respectively. Written reviews point the same way: 0% of Centering50's written reviews are positive against 100% of Centered Cardboard's.
Centering50 ships an update every 8 days, Centered Cardboard every 3 weeks. Both last shipped on October 25, 2026.
| Parameter | Centering50 | Centered Cardboard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (42 ratings) | 4.9 (58 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 42 | 58 — better |
| Update frequency | Every 8 days — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 155 MB | 18 MB |
| Age rating | 17+ | 4+ |
| Developer | FUK WAI LI | Oak Labs Limited Liability Company |
Customer experience
Centering50
Centered Cardboard
In-app purchases
Centering50
- Unlimited Monthly$4.991 Month
- Unlimited Yearly$24.991 Year
- Full Version Lifetime Access$49.99
Centered Cardboard
- Centered Cardboard Pro$4.99
Questions
Is Centering50 free?
Is Centered Cardboard free?
Which has better reviews, Centering50 or Centered Cardboard?
Do Centering50 or Centered Cardboard have ads?
Which is updated more often, Centering50 or Centered Cardboard?
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