Product cases

Four cases from six years of full-lifecycle work at RealLife English: discovery, design, delivery and impact measurement, including what didn't move.

  • +31%trial starts
  • +27%day-7 retention
  • −18%monthly churn
  • 1concept killed before code

AI Coach

Research judgment

"Pronunciation practice" really meant fluency. No clean metric, and the case says so upfront.

Read case

Other work