[theblackcat1002]

This is actually what I did, but with web application and services. I tried app development in the one of my first few projects but finally gave up for web apps because it allows faster trial and error ( mainly I can push changes in UI and UX faster to a wider audience ). My take away is that stay away from "hot" topics ( news, game app ) unless you have a solid background because you need a really polish product to compete.

[anaxag0ras]

What metrics do you use for web applications and services? I mean with mobile app, you have downloads and ratings. But for web apps, you have no such thing.

[masked_titan]

I'm not a web developer but I am aware of Alexa ranking. That can be used to see how popular some website is worldwide or in a particular country.

[justaguyhere]

Can you give an example of a web app/service that you created? Are these SaaS or content sites monetized by ads/affiliate etc?