Free alternatives
Free alternatives to Kilea
Kilea has an unclear license. These free fonts look closest.
40px
Kilea is a trademark of its owner. Fonteezy isn't affiliated with or endorsed by them.
Telling letters
The a, g, R, Q, 3 and & are where lookalikes usually give themselves away. Each alternative's CSS falls back to a system font resized to its measurements, so the page doesn't jump when the font loads. Host the font files yourself.