Base44 App Launch £200

I’m looking for someone who already knows their way around Base44 to help me get an existing app over the finish line on both iOS and Android. I have detailed user feedback pointing to a few sticking points... (Budget: £20 - £250 GBP, Jobs: Android, Android App Development, App Store Optimization, Base44, Compliance, iOS Development, iPhone, Mobile App Development, Mobile App Testing, Testing / QA)