Overall, App Creator 24 is a good option for beginners who want to create simple and fun Android apps without coding.
It's the Best no code platform out there it has Free storages free edit interfaces and you can publish the app to the Google play store without any payment also you can create many different apps such as radio apps chat apps HTML games app in just one click
Xamarin.Android - Integrated environment for building not only native Android but iOS and Windows apps too.
XCodeClub.com - Rent your own private Virtual Mac with latest XCode.
RAD Studio - RAD Studio 10.2 with Delphi Linux compiler is the fastest way to write, compile, package and deploy cross-platform native software applications. Learn more.
VirtualMacOSX.com - vmOSX -- is your affordable, Mac-based home on the web.
AppyBuilder - An App Inventor 2 spin-off. Formerly called AILiveComplete.
MacinCloud - MacinCloud is a Mac cloud platform that provides on-demand Mac cloud servers, flexible dev workload infrastructure and comprehensive Mac in the Cloud solutions