OneSignal is the market-leading customer messaging and engagement solution, offering mobile and web push notifications, in-app messaging, SMS, and email. Our powerful omnichannel platform enables 1M+ businesses to deliver over 10B+ messages daily. Powered by superior architecture, OneSignal is designed to scale with your business and deliver messages more quickly and reliably than the competition.
Make every email count. Build a strong domain reputation with OneSignal’s Email Auto Warm Up, so an email sent = an email received. Get started for free today.
Live Activities by OneSignal (iOS 16.1+)
Pin your app to iOS Lock Screens + Dynamic Islands—for up to 8 hours!—with Apple's Live Activities feature. Engage users with live info about a game, delivery, rideshare & more. Easily create them without significant dev time with OneSignal's API and SDK.