Both in Packaged Software

AppFolio vs Duolingo

Over the past year APPF returned −16.5% and DUOL returned −56.4%; their daily moves had a correlation of 0.39.

APPF −16.5% DUOL −56.4%Growth of $1, one year, split-adjusted
MetricAPPFDUOL
Price$204.85$133.62
Market cap$7.26B$6.25B
Today+1.69%−5.44%
1 month+4.6%−6.3%
6 months+23.9%+25.1%
Year to date−11.9%−23.9%
1 year−16.5%−56.4%
Revenue growth (YoY)+18.6%+18.3%
Gross margin62.6%72.6%
Net margin15.5%11.1%
P/E (TTM)42.8×15.2×
Price / sales6.7×5.5×
Net cash$307.3M$1.31B
Dividend yield——
Volatility (60d)43.5%60.1%
Short % of float11.5%17.8%
Next earnings——

Shading marks the stronger figure where one clearly exists (lower is better for valuation and volatility).