| What it does | Free online reaction time test that measures your reflex speed in milliseconds
| Free Pokémon card grade checker
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: 7 full scans per month, live scan, grade estimate, values, decision, calculators and collection unlimited. Pro monthly: $3.99/month (rises to $4.99 for new subscribers January 1, 2027), unlimited scans. Pro yearly: $31.99/year, $2.67 per month, save 33% (rises to $39.99 for new subscribers Jan
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| Key features | - Reaction time measured in milliseconds
- Sessions of 5, 10 or 20 rounds
- Best and average score tracking
- Percentile comparison with online-test benchmarks
- Shareable score card and friend challenge link
- Light and dark mode
- Works on mobile, tablet and desktop
- No registration or download required
- Random delay prevents anticipation
| - PSA grade estimation with centering, corners, edges and surface subgrades measured from photos
- Card identification using CardSight AI matched to exact TCGplayer printing
- Raw prices from TCGplayer refreshed daily for each printing variant
- Graded values from median of recent eBay completed sales for PSA, CGC and Beckett
- Collection tracker with daily valuation and price history charts synced across devices
- Grade-or-not verdict calculated after subtracting grading fees, shipping and eBay fees
- Price guide searchable by card name or number with separate prices for Shadowless, 1st Edition and other printings
- Grade range showing likely grade plus how far it could swing based on photo limitations
- Free account with email sign-up, no password required, optional collection sync across devices
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| What makes it different | - No sign-up, download, or account required
- Does not collect or store personal data
- Sub-millisecond timer precision using browser performance API
- Benchmarks against pro gamers, trained athletes, and average adults
- Fast and clean interface without ads
| - No download required, runs directly in web browser on phone and computer
- Built by an actual collector and reseller with dated real-world sales data
- Independent and unaffiliated with PSA, graders, retailers or Pokémon Company
- Live camera scanning with auto-straightening works at any angle, including full tilted surface check
- Compares estimated grade and grading cost against raw and graded comps to show actual profit potential
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 12 | 15 |
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| Referring domains (Majestic) | 3 | 2 |
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VoltReflex
Should I Grade It?