| What it does | AI card grading that predicts PSA, BGS, and CGC outcomes in 60 seconds
| Human evaluation for text-to-speech with blinded listening studies
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Freemium
| Paid
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| Pricing | Hobby $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).
| $18.00 per hour of audio heard by listeners; $0.30 per judgement on a pair of two 30-second clips; $300.00 for 200 pairs × 5 ratings with 30-second clips (1,000 judgements)
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| 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
| - Blinded paired-preference studies with no system names visible
- API for creating studies and retrieving results
- Exact price quote before study starts
- Per-judgement data export as CSV
- Paid US-based listener panel
- Attention signals recorded with every judgement
- Live results streaming as listeners answer
- Detection template for AI vs human narration
- Published methodology and platform transparency
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| 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
| - Publishes its own listening studies on the same platform with the same methodology as customer studies
- Forced-choice preference testing answers which system people prefer, not rating scales
- Fast turnaround with live result streaming and no minimum study size
- Transparent pricing with no setup fees or minimums, quoted before starting
- Customer audio stored securely and used only for that study
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 33 ▲ +1 (up) since last check | 8 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 9 |
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| Citation Flow (Majestic) | 36 | 24 |
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| Referring domains (Majestic) | 125 | 69 |
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CardGrade
Woodstitch