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Validatedⓘ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.
Automated Invoice Email Tool
In their words
"running a custom software agency with my partner, our biggest bottleneck wasn't writing code … it was getting paid" — 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.
Pain, in numbers
Only where a builder stated a figure — quoted word-for-word from the post.
“We currently have approximately 80 recurring clients”80 recurring clients
Hard requirements
Summarised from the posts below. Miss one and they will not switch.
Google Sheets integrationGoogle Drive integrationGmail integrationmanual resend functionalitymerge yes and paymentnon-Zapier solution
Competitor pricing
Named rivals & real prices 🔒
Rivals charge $5.99/mo · names — log in ↗
Open-source check · GitHub · 2026-08-17
🔵 5 open-source attempts, none above ⭐8 — no winner yet · verify ↗
How we checked
Where we searched
3 sources · GitHub (open-source check) · App Store · SaaS marketplaces
Verification funnel
89 raw matches scanned, then AI-de-duped · see the breakdown below
Last scan
today · 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
24 tracked posts (5 asks · 19 product/news)
first post Apr 2026
▲ 2 in the last 30 days
Cumulative tracked posts (asks + products + news) by original post date · GapMine tracked communities — not search volume · every step traces to a real post in the evidence record (sign in to read them).
Evidence pool
Top 8 of the 24 tracked posts, picked as evidence — each insight links back to a real one.
6 reddit2 discourse