# Substack

Substack is a publishing platform where writers, journalists, podcasters and video creators publish free newsletters, video and podcasts, and charge subscribers for paid content. Creators keep 90% of their revenue, and they own their mailing list and subscriber payments. Subscribers find new publications through recommendations, notes and collaborations on the platform.

Page: https://slateindex.ai/brand/substack · data of 2026-11-02

## Facts

- Founded: 2017
- Company type: Private, venture-backed
- Latest funding: Series C
- Best for: Writers, journalists, podcasters, video creators and media companies that want to sell subscriptions directly to readers

## Products

- Substack newsletters: Free and paid newsletter publishing with built-in subscriptions and payments.
- Substack TV: App for Apple TV and Google TV.
- Recording Studio: Built-in podcast and video recording on desktop.
- Substack Defender: Legal support for publishers, including legal fees, advice and pre-publication review.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| Email Marketing | 55 of 55 | 0.0 | 0 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 0.0 | 0.0% |
| google_ai_mode | 0.0 | 0.0% |
| perplexity | 0.0 | 0.0% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “Substack AI visibility profile”, https://slateindex.ai/brand/substack, data of 2026-11-02. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).