RevenueCat is the leading platform for consumer app monetization that handles billing, analytics, and conversion optimization across iOS, Android, and web. It processes over $8 billion in annual transactions for 50,000+ apps including OpenAI's ChatGPT, Notion, VSCO, and Runna.

RevenueCat streamlines app monetization by handling automated receipt validation, customizable paywalls, and analytics with subscriber growth and churn tracking. The platform offers drag-and-drop paywall editors, web billing for off-app store transactions, and virtual currency support. With RevenueCat, developers offload billing complexity and reduce backend code needs by 30-45%. The company raised $50M in Series C funding led by Bain Capital Ventures in 2025 (following a $12M Series C in 2024), bringing total funding to $100M. RevenueCat powers monetization across subscriptions, consumables, lifetime purchases, and virtual currencies.
App Monetization Platform for Consumer Software
G2 Rating
Starting Price
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Subscription billing & affiliate management
Founded
PayKickstart is a complete checkout, recurring billing, affiliate management, and retention solution with global capabilities. Founded in 2016 and based in Carmel, Indiana, it helps creators monetize their content, courses, knowledge, or coaching.
Membership site software
MemberSpace (formerly known as Pico) is membership site software that allows entrepreneurs, creators, and business owners to monetize their websites by selling memberships and digital products. The platform provides powerful membership management across multiple website platforms.
Open-source billing platform for the intelligence era
Founded
Polar.sh is an open-source billing platform for developers launched in 2023. It positions itself as a Merchant of Record that handles payment processing, tax compliance, and digital product delivery for SaaS and developer tools.