The best alternatives to Soma are WhatsApp, Facebook Messenger, and Telegram 4.7. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
WhatsApp Messenger is a FREE messaging app available for iPhone, Android, and other smartphones. WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos, documents, and Voice Messages.
Instantly reach the people in your life—for free. Messenger is just like texting, but you don't have to pay for every message (it works with your data plan).
YouThere helps better group communication and team collaboration & enables you to build communities or join one based on your interest. The ultimate topic based super-groups & modern inboxes upon which the platform operates are both cutting-edge and intuitive.