OptiLingo vs ParticiPoll

OptiLingo empowers language-learners to reach fluency by showing them that they were never the problem, their methods were.

You focus on speaking high-frequency words and phrases while using spaced repetition systems that help you learn a language without boring drills or memorization. It’s a stress-free, hand-free language learning app. Choose from 20 languages.

Location: Chicago, United States

Free audience polling for PowerPoint

ParticiPoll is a free audience polling add-in that let's you drop polls into your existing PowerPoint presentations and collect votes via audience members' mobile devices (no app required).