Features:

▸ Schedule message to send them at planned time. 

▸ Send and receive Photos, Videos, doc, PDF..etc

▸ Use Multiple parallel accounts of any service.

▸ Touch Bar support in 10.12 to select messaging services. 

▸ Remember passwords for easy login. 

▸ Get respective Notifications alerts and reply from 

the same.

▸ Auto Smart Gifs for messaging friends

▸ Mark all unread messages at read with just one Click. 

▸ Privacy mode to protect your messaging data. 

▸ Customize messaging service order in the side menu.

▸ FaceTime calling from WhatsApp & Telegram numbers.

▸ Customize notification as per your requirement.

▸ Shows notifications badges for individual services.

▸ Check if there are any unread messages, right in the menu bar.

▸ Go Full-screen! Chat with your friends, distraction free in the full-screen mode.

▸ Lightweight all, with minimum installation size.

▸ Retina Display enabled icons

▸ Easy to use user-interface(UI) and user-experience(UX)

Upcoming update:

- More chat services, suggestions most welcome.

- And much more.

Note: One Chat is a wrapper app, combining all the messaging services. Experience will be 100% similar to web extension of those services.