The easiest way to interact with your audience

feedbackr is an state-of-the-art audience response system. It uses the devices of your participants for interaction – no additional hardware needed!

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feedbackr with formulas, images and code listings


Are you a lecturer at a public educational institution? You can use feedbackr education basic free of charge!


You run workshops and seminars for your customers? feedbackr business is the right choice.


Create lively conferences, meetings, congresses and more. Take a look at feedbackr event.