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Should I Grade It? vs Calculator Heaven

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Should I Grade It? compared with Calculator Heaven
DetailShould I Grade It? logo Should I Grade It? Calculator Heaven
What it doesFree Pokémon card grade checker Quick, free converters and calculators for everyday use with no sign-up required
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Free
PricingFree: 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 Not given
Key features
  • 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
  • Unit converters for length, weight and distance
  • Cooking and baking converters including cups to grams and oven temperature
  • Health calculators for BMI, body fat, calorie and pregnancy
  • Math calculators including scientific, fractions and geometry
  • Date and time calculators for age, birthdays and time zones
  • Everyday calculators for GPA, concrete, flooring and home projects
  • Calculations performed entirely in browser with no data transmission
  • Internationally agreed unit conversion definitions
What makes it different
  • 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
  • No sign-up or clutter required
  • Full transparency showing how calculations are derived
  • Every calculator tested against worked examples before launch
  • Privacy-first with calculations done entirely in browser
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check3 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1511
Referring domains (Majestic)23

4 details filled in for both companies.

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