Caller ID App
In their words
"I've already tried about 10 apps and called myself from another phone with a private call, but no app was able to tell me the number of the private call" — a builder, verbatim · sign in free to trace the source ↗
What they tried & dropped
Extracted word-for-word from the evidence posts below — every item is quoted verbatim from a real builder.
Pain, in numbers
Quantified only where a builder stated a real figure — no LLM estimates.
about 10 apps“I've already tried about 10 apps”
Hard requirements
Non-negotiables stated by builders in their own words. Miss one and they will not switch.
Competitor pricing
How we checked
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
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 on record — each insight links back to a real one.