What is OneSignal?

Answer

About OneSignal

OneSignal is the market-leading customer engagement platform.

The market-leading customer engagement platform. OneSignal provides push, in-app, email, and SMS messaging with generous free tier — widely used by indie mobile apps.

Source

This answer is drawn from the OneSignal listing on Startup Spotlight, last updated May 25, 2026. For the full profile, see the OneSignal listing.

Other questions about OneSignal

• When was OneSignal launched?

  OneSignal launched in 2014.