Yup

Yup is a chat based mobile tutoring company that instantly connects students to tutors on demand, 24/7. Students receive highly affordable, convenient and effective one-on-one tutoring from experienced math, physics and chemistry tutors without the hassle of scheduling an in-person meeting. Yup tutors receive ongoing training on best-in-class teaching methods and bi weekly feedback from senior tutors. Yup, formerly MathCrunch, was founded in 2014 in San Francisco and is backed by Slow Ventures, Floodgate, Index Ventures, Sherpa Ventures, Formation 8, SOMA Capital and Stanford Universitys StartX Fund.