OptiLingo vs Up Sonder

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

Worlds first on-demand peer-to-peer drone rental marketplace powered by UberRUSH.

Providers (drone owners) can earn money listing their drone or service on Up Sonder while staying in complete control. Provider's equipment is protected by Up Sonder's Provider Guarantee.

Renter can save time and money by renting drones and services on Up Sonder.

Up Sonder is a socially responsible company with a portion of every transaction going toward helping deliver access to clean drinking water around the globe.