each time for a new subject that you wanted to discuss, you needed to add all the team members into a new room. On mobile there were many cases that I didn't get notification of important discussions. and more annoying whenever you search, it opens a webpage and doesn't do it in the app. the search ability was useless in free tier. after a while we hit the slack free limitation quota. We were using slack and at the same time we had a subscription with office 365. Skype has a broader approval, being mentioned in 737 company stacks & 735 developers stacks compared to Microsoft Teams, which is listed in 47 company stacks and 33 developer stacks. Typeform, Starbucks, and PedidosYa are some of the popular companies that use Skype, whereas Microsoft Teams is used by Macy's, Heimdal Security, and Sainsburys. 'Free' is the top reason why over 4 developers like Microsoft Teams, while over 248 developers mention 'Free, widespread' as the leading cause for choosing Skype. Messaging- You're always in the loop with instant messaging, voice messaging and sending texts.Video- Catch up face to face or get a whole group together on a video call.Calling- Make free Skype to Skype calls or call mobiles and landlines home and abroad at low rates.On the other hand, Skype provides the following key features:

Enjoy built-in access to SharePoint, OneNote, and Skype for Business.All your content, tools, people, and conversations are available in the team workspace.Some of the features offered by Microsoft Teams are: Microsoft Teams and Skype are primarily classified as 'Group Chat & Notifications' and 'Web and Video Conferencing' tools respectively. Skype’s text, voice and video make it simple to share experiences with the people that matter to you, wherever they are. What is Skype? Voice calls, instant messaging, file transfer, and video conferencing. Private group chats are available for smaller group conversations. See content and chat history anytime, including team chats with Skype that are visible to the whole team. What is Microsoft Teams? Chat-based workspace in Office 365. Microsoft Teams vs Skype: What are the differences?

Who owns skype and teams