Compare products
CometChat vs OneSignal
People
Price
Free
In-App Messaging
Annual estimate10 people, entry price
Free
Offer
No offer right now
No offer right now
Ask the vendor
Add a product here
In-App Messaging
Overview
Focus
In-App Messaging
Push Notification Platforms
Product
In-app chat SDK adding messaging, voice, and video calls to apps and websites with customizable UIs.
OneSignal is a customer messaging platform specializing in push notifications, email, SMS, and in-app messaging, serving over a million developers and businesses with a generous free tier.
Headquarters
Denver, Colorado
San Mateo, California
Company size
51-200 employees
201-500 employees
Founded
2010
2014
Pricing details
Published rate
Free
Free options
Free plan, Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026