Senatus is described as 'Online voting and discussion system that allows for collecting ideas, questions or suggestions from an audience, e.g. a company's customers or an online community'. There are four alternatives to Senatus for a variety of platforms, including iPhone, Android, Online / Web-based, iPad and SaaS. The best alternative is Slido, which is free. Other great apps like Senatus are Speak up Live (Paid), CrowdQuestion (Free) and Diggle (Freemium).
Slido is the industry-leading audience interaction platform. It helps users to get the most out of meetings and events by crowdsourcing top questions and engaging participants with live polls and quizzes.
Diggle supports learning, development and dialogue. An innovative, easy and intuitive online tool for creating interaction engagement and learning. Also widely used as an audience interaction platform for meetings and events.