The problem of scale for profitability from ads is certainly there. You could look to use something like admob to start with to make some money back (although the earnings likely will not cover with cost of marketing, without scale). Source: over 1 year ago

1. AdMob Google is the No 1 player in the mobile advertising market. It was already the largest online advertising company when it acquired AdMob. AdMob makes earning revenue easy with in-app ads, actionable insights, and powerful, easy-to-use tools that grow mobile apps. - Source: dev.to / almost 2 years ago

Use online services, such as Google AdMob, for filtering and sorting in-app ads. Source: over 2 years ago

There are different ways to monetize with your Flutter app. You can make users pay to download it, you can have in-app purchase plans, you can let users subscribe using recurring payments to use all the features, or you can show ads to your users. In this article, Dhruv Nakum teaches you how to integrate AdMob into your app. - Source: dev.to / over 2 years ago

DISCLAIMER - I have no commercial affiliation with codezero.io - I just know some of the guys and I'm kind of a fan. Source: 12 months ago

Hi there. Have you tried https://codezero.io? That's exactly what we help accomplish. Source: 12 months ago

Yes, Koblime costs money to operate (~$200/mo) and I appreciate every one of my supporters but realistically, Koblime is supported by my day job at https://codezero.io. My interests are in embedded software and cloud computing and Koblime has been a really nice creative outlet for me. If hosting costs become too much of a worry, I can reach out to friends at Google or Microsoft and get some free startup credits as... Source: over 1 year ago

You can also use https://codezero.io intercept to debug containers locally. Source: over 1 year ago

Https://codezero.io for local+remote collaborative development. Source: almost 2 years ago