What is the best alternative to Substack?

Based on company usage data, Tumblr is the most widely adopted alternative, detected on 6,972 websites.

How many companies use Substack?

AgentData detects Substack on 6,092 company websites as of October 2026.

Are companies switching away from Substack?

AgentData tracks technology changes across company websites. Check back for switching trends as we detect more changes.

Substack alternatives

Ranked by real company usage

The most popular alternatives to Substack based on AgentData's analysis of 6,092 company websites are Tumblr (6,972 companies), Overblog (995 companies), Blogger (747 companies).

Substack: 6,092 companiesCategory: Blogs8 alternatives found

Top alternatives to Substack

6,972 companies

995 companies

747 companies

669 companies

355 companies

264 companies

27 companies

26 companies

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6,092 companies with emails, tech stacks, and contacts

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1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=substack

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Compare

Substack vs TumblrCompare →Substack vs OverblogCompare →Substack vs BloggerCompare →Substack vs TypechoCompare →

Companies using Substack→

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