Slabline VS ClientForms.app

Slabline's answer

• Computer vision — identifies a card from a phone photo by matching it against an image index of our 1.57M-card catalogue
• AI grading models — read centering, corners, edges and surface to predict a raw card's likely grade
• Sales data pipeline — ingests recorded sales from eBay and the major auction houses every night and re-prices each card by grade
• Web, iOS and Android apps — one TypeScript/React codebase across all three
• MCP server and ChatGPT app — so AI assistants can look up card values directly

ClientForms.app's answer:

Frontend: Next.js 15 (React 19), Tailwind CSS Backend: Supabase (PostgreSQL, Row-Level Security) Authentication: Clerk Payments: Stripe Hosting: Vercel (Sydney region) Database hosting: Supabase (Australian data residency)

Slabline's answer

Collectors who own graded cards (slabs) and want to know what their collection is really worth: from people with a handful of PSA 10s to serious collectors with hundreds of slabs. Also collectors deciding whether to grade raw cards, and anyone who wants their collection documented for insurance.

ClientForms.app's answer:

Psychologists who assess ADHD and autism. Typically private practice, solo or small group (1-5 clinicians), currently using paper forms and spending hours on admin per assessment. They want something that works and is secure.

Slabline's answer

Every value is tied to the real sales behind it. Slabline shows a card's price at every grade (PSA, BGS, SGC and CGC) along with the dated recorded sales it came from, so you can see why a card is worth what it's worth. Then it goes beyond a price tracker: it manages your whole collection like a portfolio, predicts a raw card's grade from a photo before you pay to grade it, and scores how well your collection is protected, with insurance-ready records.

ClientForms.app's answer:

Neurodivergent-first design. Most digital forms just replicate paper online. ClientForms is built specifically for ADHD and autism patients - progress bars with time remaining (helps with time blindness), softer colours instead of harsh white, sticky headers so you always know where you are. The forms are designed to reduce anxiety and improve completion rates.

Slabline's answer

Most card apps give you one number. Slabline gives you the number, the sales behind it, and what to do next: which grader pays most for your card, whether grading a raw card is worth the fee, and whether your collection is properly insured. It covers sports cards and Pokémon/TCG across four grading companies, works on web, iPhone and Android, and you can start free without an account.

ClientForms.app's answer:

Most clinical software treats patients as an afterthought. ClientForms is designed specifically for neurodivergent users who are filling out the forms, progress indicators, time estimates, calmer colours, predictable layouts. One link, no signup required, works on any device. Patients just open and complete.

Slabline's answer

Slabline is built by Hobby Smart Case, a company of collectors that makes protection gear for card collections. We kept hearing the same two questions: "what is my collection actually worth?" and "am I protected if something happens to it?" Slabline is the software answer to both: live values from real sales, and a single score for how well your collection is protected.