I didn't use any. From the posts + some initial research https://www.applozic.com/platform/chat-messaging/ looks the most suitable and.
edit: scrap that, they've increased prices like 10x. Apparently the affordable part was an introductory offer. So probably Firebase or AWS are the only non-corporate options.
Talking about the parameters of pricing, performance and everything you've mentioned, Applozic is a viable option as well, with advanced SDKs and customizable UI kits. Do check it out and let me know what do you think?
Take a look at https://www.applozic.com Easy integrate, Customizable UI with open source UI toolkit code: https://github.com/AppLozic/Applozic-Android-SDK Supports android, iOS and web Setting up push notification is fairly easy, all you have to do is update the GCM server key and APN certificate in Applozic dashboard. Affordable pricing to suit your budget.
PS: I am cofounder @Applozic
This blog will help you understand how push notifications works, it’s concepts and application. Do give it a read and let me know if it helped! https://www.applozic.com/blog/native-push-notifications-the-concept-applications-and-considerations/
In case of chat API, Applozic is a viable option with a free trial option.
Check it out https://www.applozic.com/
It has advanced SDKs and customizable UI kits as well.
Let me know what you think
I guess integration with signal is not possible.
But there are other services
Talking about the parameters of pricing and fulfilling your requirements of Video as well as Voice call, Applozic is a viable option
Check it out https://www.applozic.com/
It has advanced SDKs and customizable UI kits.
In-app chat feature of Applozic is a viable option as well, with advanced SDKs and customizable UI kits.
Check out the product link : https://www.applozic.com/platform/chat-messaging/
Hey do check out Applozic's SDK. Fits your requirement criteria aptly as they offer a cost-efficient chat and messaging APIs, SDKs and customizable UI kits.
Applozic did Build a WhatsApp clone from scratch using Flutter. Do check it out. Applozic's SDK.