Why would you want to continue working at such a place as a developer?
It's not like it's hard to find another job as developer...
Then again, mobile apps are like this tend to be junior work, outsourced to software mills that just burn through juniors cranking out garbage assembled 10% of polyfills and 90% of advertising SDKs. Yes, at this point of your career, you can still say "no" - the company will happily replace you with some other junior, while you replace some other junior somewhere else.
In 2025? Haven't you noticed the massive layoffs by the big companies. Check r/cscareerquestions and read the posts from seniors unable to find a job
What if they didn't know and it's just incompetence?