What it sells
AI Grading for Teachers
Business model breakdown
Buyer: who owns the budget?
Individual teachers (free/Pro) and school or district administrators (Institution contract).
Trigger: what makes them buy now?
Teachers spend evenings and weekends grading handwritten work; schools want class-level data on misconceptions.
Workflow: what inputs become what output?
Teacher snaps a stack of papers with phone, doc cam or scanner (~30s), Frizzle reads handwriting and each step (~8 min per class), and a live dashboard shows who is stuck and what to teach next.
Economics: what it saves and how it charges
Freemium teacher subscription upselling to annual institution contracts; claims 100,000+ questions graded.
Distribution: how it reaches customers
Self-serve teacher signup (no credit card) with bottom-up expansion to schools; contact sales for Institution; named districts include Greenwich Public Schools and Hazelwood School District.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Summer 2025 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.