Adapty.io is an in-app purchase platform that helps businesses grow their subscriber base. It simplifies subscription pricing and strategy testing. The platform offers features like a subscriptions/in-app purchases SDK for platforms like iOS, Android, Flutter, React Native, and Unity. It handles server-side receipt validation and customer synchronization across all platforms, including the web. It supports Observer mode, allowing SDK use without changing existing purchase infrastructure. Adapty.io enables A/B testing for subscription plans and provides detailed app monetization analytics. It can also send subscription events to third-party analytics such as Amplitude, AppsFlyer, Adjust, Branch, Mixpanel, Facebook Ads, AppMetrica, and custom Webhook. Adapty.io is useful for developers, marketers, and executives. It allows marketers to engage users with promotional offers and eliminates the need for manual segment extraction. It provides a dashboard with subscription metrics and reports for product managers and executives.