https://thunkable.com/#/
https://adtmag.com/articles/2016/03/08/thunkable-emerges.aspx
We made Thunkable to help anyone to build native mobile apps. We've been working on this tool at MIT and Google for the past few years as an open source project called MIT App Inventor, and we decided to make a product (Thunkable) around it to better support our users. We're in the current YC W2016 batch.
There are two parts to the tool:
1-Designer: Allows you to create an app UI by adding different UI components to your screen, such as buttons, TextBoxes, GoogleMaps, etc. It also allows you to add non-visible components to your apps, such as SMS receivers or NFC sensors.
2-Blocks: Thunkable has a blocks-based programming language that makes it easy for novice programmers to use, but is sophisticated enough for seasoned developers to use (you can make functions, variables, callbacks, etc.).
