| What it does | Free Pokémon card grade checker
| Offline calculators for electricians, builders and HVAC technicians
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Freemium
| Freemium
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| Pricing | 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
| Free: nine calculators (voltage drop, Ohm's law, watts to amps, concrete slab, roof pitch, board feet, BTU, CFM, BTU to kW), no time limit. Pro: $9.99 per year or $19.99 lifetime (one payment, no renewal).
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| 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
| - Wire sizing and voltage drop calculations
- Conduit fill and box fill calculations
- Offline operation with no network required
- Transparent calculation steps and NEC warnings
- Job organization and PDF/CSV export
- Motor and generator sizing calculators
- Power and conversion calculators
- Building calculations for concrete and roof pitch
- No ads and no account required
- Private with data staying on device
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| 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
| - Works completely offline with no network or cellular signal required
- Private by design with no account, no ads, and calculations never leaving your device
- Shows exact NEC formulas and calculation steps so you can verify results before fieldwork
- Over 35 specialized calculators covering electrical, building and HVAC trades
- Tested code with automated tests against independently worked examples
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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) | 15 | 13 |
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| Referring domains (Majestic) | 2 | 1 |
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