Grumpy Old Geeks Products iAnnotate 4 Product iAnnotate 4 2 mentions in 1 episode An iOS PDF annotation app criticized for its interface and handling of some text. Mentions 165: Brexit Through the Gift Shop Jun 24, 2016 1:04:32 The first one I tried out was iAnnotate4 for iOS. 1:04:49 When you're done with it, you can email yourself a copy of all your annotations.