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CorroboratedⓘEvidence tiers: Early signal = 1 uncorroborated request — treat as radar, not a validated opportunity · Corroborated = 2-3 requests · Validated = 4+ requests from 2+ different people. Every count appears exactly once, in the fact bar below — each traces to a real source post.
Personal book catalog system
In their words
"I’d like to be able to: * Track books I’m currently reading, have completed, or want to read" — a builder, verbatim · sign in free to trace the source ↗
What they tried & dropped
Quoted from the posts below — each quote is checked word-for-word against the stored post.
Notion
— "I can set up basic things in Notion and it makes a lot of logical sense to me"
verbatimsign in to trace ↗
Hard requirements
Summarised from the posts below. Miss one and they will not switch.
integration with Bookly appunique name for fanfiction and booksconnects reading-session log to main book databasetracks various statisticsallows daily page goal setting
Competitor pricing
Named rivals & real prices 🔒
Rivals charge $4.99-$15.99/mo · names — log in ↗
How we checked
Where we searched
3 sources · GitHub (open-source check) · App Store · SaaS marketplaces
Verification funnel
41 raw matches scanned, then AI-de-duped · see the breakdown below
Last scan
11d ago · auto-refreshed every 30 days
Sign in to see the full opportunity
Every source post · named rivals with real prices · what builders tried & dropped · quantified pain — all traceable to the original posts
Sign up free →Signal history
4 tracked posts (3 asks · 1 product/news)
first post Feb 2024
0 in the last 30 days
Cumulative tracked posts (asks + products + news) by original post date · 2 earlier posts before this 12-month window carried into the baseline · GapMine tracked communities — not search volume · every step traces to a real post in the evidence record (sign in to read them).
Evidence pool
4 source posts picked as evidence — each insight links back to a real one.
4 reddit