Business ideas, backed by real complaints
Reddit threads and one-star reviews, grouped and scored by Claude.
A private library with one account.
Complaints collected4,561
- Reddit posts1,012
- App Store reviews2,084
- Google Play reviews1,465
scored by Claude
- Ideas in play
- 156
- Complaints cited
- 2,624
- Average score
- 5.8
From complaint to scored idea
Collect
Reddit threads and low-star app reviews.
Group
Claude folds repeats into one idea.
Score
Each idea rated out of ten.
Check demand
Google searches and competitors.
Four scores, one verdict
- Opportunity 35%
- How many have it, and would pay.
- Severity 30%
- What it costs them.
- Feasibility 20%
- Can one developer ship it?
- Timing 15%
- A price hike, shutdown or new rule.
Every idea keeps its receipts
- The posts behind it
- One click from each source.
- Competitors and their revenue
- Who sells a fix, and their revenue.
- Search demand
- US searches across ten phrasings.
- A prompt to start building
- Opens in Claude, Lovable, v0 or Cursor.
Tools beside the library
| Validate | Claude researches your own idea and scores it. |
|---|---|
| Match me | A short quiz picks three ideas that fit you. |
| Calculators | MRR, LTV, CAC, churn, runway and break-even. |
| MCP server | Claude Code and Cursor read the library as you build. |