Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)

Apps similar to Pubnub include Supabase, which is open source with a free version. Other options are Firebase, GUN, AWS Amplify and dweet.io. You're spoiled for choice with Backend as a Service like Pubnub: we list more than 50 alternatives for the web, Windows, Mac, Android and iPhone.

moBack is an enterprise-ready mobile backend platform that combines an array of services for rapid development and deployment of applications over your infrastructure of choice at Web-scale, while providing best-in-class security, scalability, and enterprise-wide visibility.
The IoT Guru provides cloud services and mobile application for developers and users of IoT devices; also offers free and paid as you go tier, mostly based on the data retention and number of messages.




Apphitect IM Solution is a readymade instant messaging solution equipped to develop real-time chat apps that are capable of multiple modes of communication, organization, security and scalability.
Flexible notifications infrastructure offering API-driven cross-channel messaging, fast deployment, preference management, instant scaling, multi-channel support, pay-as-you-go pricing, and reduced engineering effort for high-volume communications.


Beebotte is a cloud platform providing key building blocks to accelerate the development of the Internet of Things and Real time connected applications. Beebotte supports REST, Websockets and MQTT to connect anything and everything in real time.
Flexible DataSync is a BAAS with a complete client framework. Developers can build real-time applications and communication services and deploy them easily

Syncano is a serverless application platform that gives developers a seamless environment for user management, microservices, real-time data and event driven automations to build user-centric applications.
Superior Push Notifications. A Reliable XMPP channel with Android GCM and IOS APNs integration.



Hotsock is a fully-private service that powers real-time functionality in your web and mobile apps, installed serverlessly in your own AWS account.
Kuzzle is a high performance open source, on premise and cloud agnostic backend for IoT and modern apps featuring CRUD, real-time notifications, authentication, geofencing, a full featured cluster mode and more.
Frisby is a REST API testing framework built on node.js and Jasmine that makes testing API endpoints easy, fast, and fun.