- Free tier: 1,000,000 notifications, 500 active devices per namespace
- Pros: No daily quotas, supports Windows Notification Service, Apple Push Notification Service, Google Cloud Messaging and Microsoft Push Notification Service
- Limitations: 500 active devices, free tier has no SLA and no scheduled pushes
- Exceeding the free tier: Pushes are interrupted when 1,000,000 sent. After 500 active devices new registrations are interrupted.
- Free tier: unlimited notifications, up to 100,000 monthly active users
- Pros: supports iOS, Android, Cordova, Phonegap, Ionic, Adobe AIR, Unity mobile applications, basic users segmentation (country/language targeting), message scheduling, transactional API
- Limitations: no advanced user segmentation, campaigns API, data push and A/B testing on free tier
- Free tier: unlimited notifications
- Pros: supports Android, iOS and browsers (Push API), users segmentation, message scheduling, integrates with Firebase analytics
- Free tier: 10K notifications/month
- Pros: provide dashboard to send push to segments, supports scheduling, designed to be sent from Ionic apps
- Free tier: unlimited devices, unlimited notifications
- Pros: support iOS, Android, web push, Windows Phone, Amazon Fire, Chrome extensions and native support for every development environment, localization, unlimited segments, delivery scheduling, realtime analytics, delivery automation, full API, A/B testing, import & export your data