MIT has announced that App Inventor will run on iPhones and iPads, hopefully by spring of 2018. You can help make that happen by making a donation to their effort – go to http://appinventor.mit.edu and follow the links to make a donation!
Did you know that you can run App Inventor Android apps on Windows and Mac OS X? Sure can!
All you need is to install an Android simulator for Windows or Mac and then install your App Inventor .apk app into the simulator. This way you can run your apps on Windows or Mac!
This short video shows you how to do that – take a look!
There are several Android simulators for both Windows and Mac OS X.
This video demonstrates using BlueStacks for Windows (also available for Mac OS X) and Nox App Player for Mac OS X.