I would recommend Organic Maps. Description: "Organic Maps offers fast offline maps app for travelers, tourists, hikers and cyclists based on top of crowd-sourced OpenStreetMap data and curated with love by MAPS.ME founders."

https://play.google.com/store/apps/details?id=app.organicmap...

And those that use F-droid

https://f-droid.org/en/packages/app.organicmaps/