Substack is a platform that enables writers to create newsletters and generate income through subscription services. Writers can publish content directly to their subscribers via email and build a dedicated audience. Users can subscribe to various newsletters, free or paid, and access a wide range of content from independent creators on diverse topics.

Substack offers a free tier for both writers and subscribers. Writers can charge for their newsletters, with Substack taking a 10% commission on paid subscriptions. Subscribers can access free newsletters at no cost and may need to pay for premium content from some writers.

Yes, writers can import their existing email lists into Substack. This feature helps those who already have an audience elsewhere to transition smoothly to the platform and maintain their subscriber engagement.

Substack prioritizes user privacy by adhering to data protection regulations and providing tools for writers to manage subscriber data responsibly. They use encryption to secure information, ensuring a safe environment for both writers and subscribers, with users maintaining control over their personal data.

Substack hosts a wide variety of content, including newsletters on topics such as politics, technology, culture, health, and more. It features independent writers, covering both niche and mainstream subjects, allowing users to discover content suited to their interests from experts and enthusiasts alike.