Download of InstaPaint 2.2 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus.
The program lies within Design & Photo Tools, more precisely Viewers & Editors. This Mac application was originally created by Applest. This app's bundle is identified as com.applest.instapaint. The following versions: 2.2 and 1.0 are the most frequently downloaded ones by the program users.
From the developer:
Paint +++ now support iCloud, now you can view or edit your paint everywhere where you setup iCloud sync.
Paint +++aims to fill the need for a basic, streamlined, and Mac-native image editor. Whether you need to quickly crop a photo, add some text to an image, or just have fun doodling, scrawl has you covered.
Paint +++ is an inexpensive painting program for OS X that can be used to teach kids the basics of painting software.
You may want to check out more Mac applications, such as Vectorworks 2010 Viewer, DropImageURL or Polaris, which might be similar to InstaPaint.