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A retrieval engine that handles document review end to end and hands a human the exceptions rather than the queue. Aimed at legal solo practitioners, catching the error before it becomes a change order.
In short: Legal Document Reviewer is a retrieval engine aimed at legal solo practitioners, covering document review. It scores 71/100 on AltF Ideas, carried by moat (90) and held back by monetisation (45). Typical pricing is $5.7k–$85k per customer per year, with a first version reachable in about a quarter for $15k–$35k.
Legal teams lose a 900-page document read by someone billing $300 an hour. In most legal businesses this job has never had software written for it. The error rate is tolerated because measuring it would cost more than the errors.
A narrow retrieval engine scoped to document review alone — no platform, no migration, no six-month rollout. Revenue is data subscription, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $1.7B |
|---|---|
| Category growth (CAGR) | 10% |
| Annual contract value | $5.7k – $85k |
| Pricing model | Data subscription |
| Time to first revenue | 68 days |
| Startup cost to MVP | $15k – $35k |
| Build effort | ~1 quarter |
Retrieval over private documents became cheap enough to run per query. Legal is growing at roughly 12% a year, and this job has not been re-tooled since it was designed around paper.
| Who | The gap |
|---|---|
| A spreadsheet | The real incumbent in most of the market, and it is free |
| A vertical competitor | Priced and scoped for enterprise accounts, not this segment |
| An internal hire | Works until volume doubles, then breaks again |
Accuracy is unforgiving here — one wrong output costs more than the subscription.
An idea you cannot act on is entertainment. Four concrete steps, wired to tools already running on AltFTool.
Score problem urgency, willingness to pay, and reachable audience size before writing any code.
→ AltF IdeaLabAsk how they handle this today and what it costs them. If nobody can quantify the pain, the demand score is optimistic.
→ Survey BuilderCheck availability, DNS, and email authentication in one pass so your first outreach lands in an inbox.
→ AltF DomainOpsStand up intake, the review queue, and billing before you build the clever part.
→ AltF Flow