erl on iPad?

Dear list,
Why does erl not turn up as an executable in this environment?
Rgds,
Mr Gösta Ask


Executing on iSh in my iPad:
======================

Welcome to Alpine!

You can install packages with: apk add <package>

You may change this message by editing /etc/motd.

Goestas-iPad:~# 
Goestas-iPad:~# uname -a
Linux Goestas-iPad 4.20.69-ish iSH 1.2.3 (298) Dec 17 2021 06:08:24 i686 Linux
Goestas-iPad:~# which apk
/sbin/apk
Goestas-iPad:~#
Goestas-iPad:~# which erl
Goestas-iPad:~# apk add erlang
fetch https://dl-cdn.alpinelinux.org/alpine/v3.14/main/x86/APKINDEX.tar.gz
fetch https://dl-cdn.alpinelinux.org/alpine/v3.14/community/x86/APKINDEX.tar.gz
(1/3) Installing ncurses-terminfo-base (6.2_p20210612-r0)
(2/3) Installing ncurses-libs (6.2_p20210612-r0)
(3/3) Installing erlang (24.0-r0)
Executing busybox-1.33.1-r6.trigger
OK: 69 MiB in 17 packages
Goestas-iPad:~# which erl
Goestas-iPad:~#