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CardGrade vs DidWork

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

CardGrade compared with DidWork
DetailCardGrade logo CardGradeDidWork logo DidWork
What it doesAI card grading that predicts PSA, BGS, and CGC outcomes in 60 seconds Independent verification for AI agent outcomes
StageNot given Startup
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingHobby $4.99/month (10 credits), Starter $9.99/month (25 credits), Pro $24.99/month (80 credits), Business $74.99/month (300 credits). Annual plans: Hobby $47.99/year, Starter $95.99/year, Pro $239.99/year, Business $719.99/year. One-time credit packs from $9.99 (20 credits) to $99.99 (285 credits). Hobbyist: free forever with 250 checks/month; Pro: $9/month with 2,500 checks/month, $0.01 per extra check
Key features
  • 16 inspection zones covering corners, edges, centering, and surface
  • 60-second grade predictions
  • PSA, BGS, and CGC grade predictions with confidence scores
  • Forensic Capture macro close-up analysis on Pro and Business plans
  • Bulk grading for 10-50 cards at once
  • Chrome extension for grading cards while browsing
  • iOS and Android mobile apps
  • Smart capture guide with real-time lighting and angle feedback
  • Market value estimates for graded cards
  • API access with webhooks on Pro and Business plans
  • Independent outcome verification with VERIFIED, FAILED, or UNKNOWN status
  • First-party adapters for Stripe, GitHub, Linear, Sentry, Resend, and HTTP endpoints
  • MCP integration with Claude Code, Cursor, and any MCP host
  • GitHub Actions required check that fails on unverified claims
  • Audit trail storing claims, evidence, and verdicts separately
  • Capability inspection before agents call tools
  • Read-only credential access with AES-256-GCM encryption
  • Continuous monitoring with watches every 5-10 minutes on Pro plan
  • Evidence retention for 7 days on Hobbyist, 1 year on Pro
What makes it different
  • Photo-based pre-screening avoids months-long mail-in turnaround times
  • Trained on thousands of card images across all major trading card types
  • 2-grade credit-back guarantee if predictions miss
  • Detailed per-pillar subgrades showing exactly where cards lose points
  • Works across all major trading card categories including Pokémon, sports, and TCG
  • Refuses to guess: returns UNKNOWN rather than false positives when evidence is unreachable
  • Neutral gate between agent execution and success verification
  • Runs the same way in production as in development
  • Never needs write access, only reads authoritative state
  • Structured audit trail for debugging and agent evaluation
Community votes00
DR (Domain Rating by Ahrefs)34 +1 (up) since last check2 no change since last check
Trust Flow (Majestic)91
Citation Flow (Majestic)3623
Referring domains (Majestic)12514

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