The Kahoot app uses a Kahoot-themed user segmentation flow while also utilizing a progress bar and fun visuals. It prompts a “create an account” option at the end but also doesn’t make it mandatory. 

Why it’s great:

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✅ Fun concept - By using a Kahoot-themed signup flow, Kahoot starts the fun early and gets users to familiarize themselves with the app right away.

✅ Progress bar - A progress bar is an important part of any signup flow, and Kahoot seems to know that.

✅ Skip option - Since Kahoot can be an app that might be used once and then deleted, having an option for creating an account later is important and well-thought-out.