iMessage for iPhone allows for group messaging and conversation. iPhone owners get the most out of this product. Google Messages for Android now supports group texting. Best for: Google Android users. Facebook Messenger is also integrated with Instagram. Group chatting with other users on Facebook and Instagram is where this feature really shines. WhatsApp. WeChat is where it excels. Most suitable for: GroupMe Best for: Signal. Best for: 17-Feb-2020.