Rivox

Discover a new way to learn and grow through skill exchange. This app connects people who want to share their talents and learn from others—without spending money. Instead of paying, you trade skills.
Teach what you know. Learn what you love.
Whether you can teach piano, coding, photography, fitness, languages, or any other skill, you can match with someone who wants to learn it—and who can offer a skill you want in return.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/