Glassfy SDK enables you to build, learn, and grow in-app subscriptions and purchases to scale your app revenue. Easily add subscriptions and one-time purchases with a few lines of code. Get access to real-time user subscription events, trigger automations and monitor subscription performance in real-time. Use our growth tools like promotional codes and no-code paywall builder to maximize revenue. Glassfy enables apps to have the largest possible share of the app spend economy that will reach $400b by 2026.