Hairguard vs OptiLingo

Hairguard helps men and women fight hair loss naturally.

We started Hairguard with a simple mission to help people get back their healthy hair. We've come a long way since our early days but the products we've made along the way are changing people's lives, giving them ​more hair and less worries.

Location: London, United Kingdom

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