✍️Writing & Content58🎨Image Generation71🎬Video & Animation119🎵Audio & Music100💬Chatbots & Assistants109💻Coding & Development444📈Marketing & SEO197⚡Productivity401🎯Design & UI/UX120📊Data & Analytics126📚Education & Research55💼Business & Finance174🏥Healthcare & Wellness22🔍Search & Knowledge20🤖AI Agent Infrastructure208🛡️AI Security & Testing32🧊3D & Spatial22🔎SEO Tools113🏡Real Estate7🗃️Data Extraction104🧠ADHD & Focus Tools11🔬Research & Academia45🧩LLM APIs & Models34⚙️Automation & Workflows45🔐Security & Privacy31📊Analytics & BI55⚖️Legal & Contracts14
Listed in Data & Analytics with 206 other toolsPart of 7571+ curated AI tools on AISO

Substack Explorer

Find top Substack newsletters and creators in any niche

freemiumFree tier plus paid plans.View full pricing →

About Substack Explorer

Search Substack newsletters by keyword and see subscriber counts and engagement for each one. Compare the newsletters in your niche, track their growth, and pull the same data into Claude through MCP or the API. By Build to Launch.

Does ChatGPT recommend your AI tool?

If you're building in Data & Analytics, run a free AI-visibility scan on your own product — we ask ChatGPT across 5 prompt angles and score how often you get named. ~30 seconds, no signup, no card.

Key Features

✓Newsletter search by keyword
✓subscriber counts
✓engagement data
✓niche comparison
✓growth tracking
✓MCP and API

Tags

🛡️

Is Substack Explorer your tool?

This is the page shoppers and AI assistants read when they look up Substack Explorer. The one-time $99 Verified tier adds:

  • Our 12-point AI-visibility scan of Substack Explorer, emailed to you: which ChatGPT prompts named you, which named a competitor instead, and the wording the model used.
  • The 🛡️ Verified badge on this page and next to your name in the category and newest-tool lists.

One-time $99, no subscription, nothing to fill in again. Your link back to your site is marked rel="sponsored", as Google requires for paid listings.

Secure Stripe checkout — Apple Pay, Google Pay, Link or card. Nothing to fill in again.

Stay updated on Data & Analytics tools — join our weekly newsletter

One concise email with fresh launches, trending picks, and featured standouts.

More Data & Analytics tools

Agent connectivity: not yet verified