Ja, l/i
Confirmed to run OK on El Capitan 10.11, Sierra 10.12, High Sierra 10.13 and Mojave 10.14.
https://member.ipmu.jp/yuji.tachikawa/MenuMetersElCapitan/
Confirmed to run OK on El Capitan 10.11, Sierra 10.12, High Sierra 10.13 and Mojave 10.14.