What tool does imore.com use for screenshots with magnifying glass on focus area?

[iMore Question]

I'm a big fan of imore and Rene Ritchie, and I love the way you inform the reader with screenshots and focus on areas with a magnifying glass. Rene mentioned the tool you use on a podcast (MacBreak Weekly?) I forgot to bookmark the link, and now I can't find the podcast. I would like to document some tips for my dyslexic son, and I think including some screenshots with magnifying glass call-outs on certIn focus areas will help him. Can you share what tool Rene is using?

Thank you!

 

[robertk328]

I use a similar one for iOS called PointOut for iOS. Works great!

https://itunes.apple.com/us/app/pointout-show-what-you-mean!/id985172637?mt=8&at=10l3Vy