🆚 RevenueCat vs. Substack
RevenueCat
SubstackType
About
RevenueCat is a subscription infrastructure platform that provides a unified service and SDKs for managing in-app purchases and subscriptions across iOS, Android, and web.
It handles server-side receipt validation with the 
App Store and 
Google Play, manages entitlements to control access to premium features, supports remote configuration of products and paywalls, provides analytics with metrics such as conversion and churn, and includes an MCP server for AI assistants.
Substack is an online publishing and social platform that enables writers and journalists to create subscription-based newsletters, podcasts, and multimedia content delivered directly to subscribers.
It provides email newsletter distribution, a web-based archive, built-in payment processing, and audience analytics, and includes social features such as recommendations, comments, and a Notes feed for short-form posts and discovery.
Headquarters
Pricing
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- 🥈 Second most popular in the United States in the Blogging Platforms category.
- 🥈 Second most popular in the Netherlands in the Blogging Platforms category.
- 🥉 Third most popular in the United States in the Subscriptions category.
- 🥉 Third most popular in the United Kingdom in the Blogging Platforms category.
- 🥉 Third most popular in Italy in the Subscriptions category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 4,001,723 websites. However, data for RevenueCat is still being collected and reflects a smaller subset of sites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.