apps will not stop automatically updating

i have automatic updates off in settings and everywhere i can find, have rebooted, everything i can think of but reddit will not stop automatically updating. i use a tool to downgrade reddit to version 2023.48.0 since it’s the last version that has the ui that looks good and i enjoy using, but every few days it will always auto update back to the latest version and this happens even if i don’t use the tool, it will keep auto updating even though all that is off. anyone know how to fix this?