18.0
OneSignal is a messaging platform for reaching audiences through mobile and web push, email, in-app messaging, RCS, SMS, and Live Activities.
Free planAndroidiOSWeb
Best Proactive Notification Software in 2026
27.9
PushEngage is a messaging platform for websites and apps, with web push, app push, PWA push, desktop push, and in-app messaging.
Free planAndroidiOSWeb
37.8
Pushwoosh is a customer engagement platform for messaging through mobile push, mobile in-app, web push, email, SMS, WhatsApp, Kakao Talk, and Telegram.
Free planAndroidiOSWeb
- 4
Better Stack
Better Stack is a platform for incident management, on-call work, uptime monitoring, status pages, telemetry, error tracking, and real user monitoring.
Free planAndroidiOSWebAPI7.6From $29 a month - 5
incident.io
incident.io is a software reliability platform for investigating, responding to, and preventing incidents.
Free planAndroidiOSWebAPI7.6From $15 a month - 6
Postmark
Postmark delivers and tracks application email as an alternative to SMTP or Sendmail.
Free planWebAPI7.6Free plan - 7
Atlassian Statuspage
Atlassian Statuspage is a communication tool for notifying users about service outages and scheduled maintenance.
Free planWebAPI7.5From $29 a month - 8
Firebase Cloud Messaging
Firebase Cloud Messaging (FCM) connects servers with apps and devices to deliver messages and notifications, and is listed as free to use.
Free planAndroidiOSWebAPI7.1Free plan - 9
Instatus
Instatus helps teams monitor services, coordinate incident response, and publish status information for customers.
Free planWebAPI7.1From $20 a month - 10
Braze
AndroidiOSWebAPI7.0 - 11
Webpushr
Webpushr is a web push notification platform for sending messages to desktop and mobile browser subscribers.
Free planAPI7.0From $29 a month - 12
Amazon SNS
Amazon SNS is a managed publish-and-subscribe service for sending messages between applications and to people.
Free planWebAPI6.9From $0.06 a month - 13
Customer.io
AndroidiOSWeb6.7From $100 a month - 14
Airship Experimentation
Airship Experimentation provides testing and measurement tools for optimizing app and web experiences against specific goals.
AndroidiOSWebAPI6.3 - 15
Status.io
Web6.0From $79 a month - 16
Vibes
WebAPI6.0From $149 a month - 17
Pusher Beams
API5.6 - 18
WonderPush
API5.5From €1 a month - 19
Courier
AndroidiOSWeb5.4 - 20
CM.com Mobile Push
AndroidiOSWeb5.2 - 214.8