Pretty sure there is normal software for those uses, and you can get free/open source apps with no ads from F-Droid for all basic needs (such as a "torch").
There's a bible app called YouVersion that's by far the most popular app on both iOS and Android.
"YouVersion Bible is notorious for privacy violations and dangerous data collection. Yet, here it is: still seated firmly in the Play Store, racking up over 100 million installs with a whopping 22 permission requests."
