If you have been pondering why different Messaging apps haven’t carried out the feature then it used to be as a result of they didn’t give you the option for textual content enter motion, which used to be to be had to the Messages app.
As Rounak had mentioned in his very fascinating WWDC 2015 developer notes, Apple has presented User Notifications Text Input in iOS 9 for developers. It will after all permit developers to put in force the Quick Reply feature of their Messaging apps like WhatsApp, Facebook Messenger and so on. The Quick Reply feature can also be paired with different movements as smartly.
If you’ve jailbroken your iPhone, then tweaks like Couria, Nuntius, Envelope, TwitkaFly and QuickReplier for Viber bring Quick Reply to one of the crucial common Messaging apps presently. Couria brings improved Quick Reply and Quick Compose to the Messages app, Nuntius brings Quick Reply to WhatsApp, Envelope brings the feature to Telegram, TwitkaFly brings Quick Compose and Quick Reply to Tweetbot and Twitter, and the final one because the identify indicates brings the Quick Reply feature to Viber.