Competitors There are a few competitors out there that do something very similar (see https://ruttl.com/, https://usepastel.com/, https://bugherd.com/, https://www.markup.io/). This seems to suggest that there seems to be a general market for such a product. Source: about 1 year ago

Yes, we used Pastel https://usepastel.com and it was very nice overall. - Source: Hacker News / almost 2 years ago

My name is Mo the creator of appicon.co I’m sure some of you have you used it once or twice. Source: over 1 year ago

You can use something like https://appicon.co to create them all from a 1024x1024 then drop the entire folder into your project. Source: over 1 year ago

App Icon Generator can be used for generating the images. Downloaded images should be stored in mipmap (android/app/src/main/res/mipmap-*hdpi/ic_launcher.png) folders. - Source: dev.to / over 1 year ago

There are a lot of icon generation websites like https://appicon.co you can restrict the size with constraints and set the content mode to aspect fit. Source: over 1 year ago

Generate the pack of icons for Android and iOS here and unpack it. - Source: dev.to / almost 2 years ago