NoteStack — Substack Analytics & AI-Powered Scheduler
NoteStack is a Substack analytics Chrome extension: 235 installs, 68% install-to-use conversion, live on the Chrome Web Store — all fully organic, zero marketing done yet. Full product built: analytics dashboard, competitor analysis, best-time insights, plus a Pro tier ($8–$12/mo) — AI Ghostwriter that writes Notes in the user's voice, bulk scheduler, and sponsor media-kit generator. Working licensing infrastructure. Turnkey for a buyer to grow. Solo-built, clean codebase, full handover included
NoteStack — Substack Analytics & AI-Powered Scheduler
NoteStack is a Substack analytics Chrome extension: 235 installs, 68% install-to-use conversion, live on the Chrome Web Store — all fully organic, zero marketing done yet. Full product built: analytics dashboard, competitor analysis, best-time insights, plus a Pro tier ($8–$12/mo) — AI Ghostwriter that writes Notes in the user's voice, bulk scheduler, and sponsor media-kit generator. Working licensing infrastructure. Turnkey for a buyer to grow. Solo-built, clean codebase, full handover included
Ranked #6962 on TrustMRR
1 active subscriptions
Md Usama32 followers on 𝕏
Revenue is verified with
Polar API key.Last updated: Sep 18, 2026, 07:15 PM
Turns Substack Notes into growth: analytics, AI writing in your own voice, and scheduling — all in one Chrome extension.
Substack creators fly blind on Notes — no analytics, no way to see what works, and slow manual writing and posting.
Audience
Substack writers and newsletter creators growing an audience through Notes.
Pricing
Starter - $8/mo Billed monthly · 7-day free trial Pro - $12/mo Billed monthly
Team size
1 person
Tech stack
Frontend
Additional info
Live on the Chrome Web Store with 235 organic installs and ~68% install-to-use conversion — zero marketing spend to date. Full product built: 19 free features plus a 5-feature Pro tier, with working licensing infrastructure. Analytics stay local in the browser; AI features run through a lightweight
"I’m selling because I don’t currently have the marketing budget to grow the app, and I’m shifting my focus to other projects. The extension is already built and offers a clear opportunity for someone with the resources to invest in marketing and scale it further."
engineer.who.vibes
Founder of NoteStack — Substack Analytics & AI-Powered Scheduler
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