GO SMS Pro Alternatives for iPhone

Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.

WhatsApp is an iPhone and Android messaging app which allows you to exchange messages without having to pay for SMS.

Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations.

Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).

Sesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal Cognitive Messenger™.

Access messages everywhere Whether you are working at your computer, reading on your tablet, or watching the game on your TV. Pulse is with you everywhere, so you never miss a message.

WowApp helps you do good through the Power of Sharing. We share all revenues with you. WowApp Messenger is free and you can receive earnings without ever spending money.

If you’ve ever wanted to send more than just an emoji or gif while chatting to express exactly how you feel, Vidii, lets you do it with short video clips from movies, tv, and the internet. We let you say more than just typed words.

SafeSwiss The world’s most effective end to end encryption security solution including P2P Voice, encrypted email, encrypted storage, ephemeral text chat, docs share & group chat for mobile phone devices and PC's.

all-in-one Communication and Collaboration Platform. The NYNJA platform combines the benefits of instant chat, video conferencing, screen sharing, file sharing, asset management collaboration, and much more, in one fast, easy and reliable platform.