I have at times carried a Firefox Phone and a Pinephone, and deeply enjoyed asking work or other people who insisted I needed to download an app to do (whatever) "Where I can get your app for my phone? No, it's not an iPhone. No, it's not an Android phone either."

(Lately I've been using "It's a work phone, I'm not able to install apps on it, you'll need to run your app past our corporate IT and Security team.")