Substack writers can now direct US readers to (often cheaper) web-based subscriptions on iOS Sarah Perez 10:16 AM PDT · August 18, 2025 ...

Substack's iOS app rolls out support for web-based payments, which can save subscribers money.

On his first day publishing it on Substack, he brought in $100,000 in subscriptions. Substack, then as now, took 10 percent.

Substack Raises $100 Million, Betting on Subscriptions but Coming Around to Ads Substack, originally a newsletter service, says its app now has millions of users interacting with its creators.

Substack's iOS app rolls out support for web-based payments, which can save subscribers money.

Is Substack sustainable for writers addressing a general audience? Just in the last week or so, a cluster of critics have been publishing that the platform may be on shaky ground.