Microsoft Visual Studio might be a bit more popular than App Icon Template. We know about 1 link to it since March 2021 and only 1 link to App Icon Template. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I’ve been using framer to create a website and I use ApplyPixels templates with Affinity Photo. The templates themselves haven’t been optimized for affinity photo but they work great once you enable PSD Text and PSD Smart Objects in the affinity settings under the General pane. Source: about 1 year ago
While the editor seems to old fashioned there isn't anything particularly wrong in using it for learning. Alternatively you can propose to your teacher about https://visualstudio.microsoft.com/vs/express/ . IMO editor is not a big factor when we are talking about high school learning. Source: about 3 years ago
MakeAppIcon - MakeAppIcon resizes and optimizes your icon designs into all formats needed for iOS and Android mobile app!
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App Icon Generator - Generate icons and images for mobile apps, android and iOS. No need to upload or download. Works on your browser
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Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft