Hi, I've just read this thread and wanted to say that I'm also concerned about the 8 trackers. I understand the use and trust Aquamail that the trackers are disabled when you pay for premium and unckeck the tracking-box in settings.
But I wonder if it is so hard to simply copy the code from the 'free' app into the 'paid' app and remove all trackers there. A lot of companies provide 2 separate apps (one free, one paid), without relying on an unlocker app.
This way, you are not required to have 2 apps installed anymore (aquamail free and unlocker) and would give the user a better feeling using aquamail.
P. S. I don't think so but if it's because of money - I would pay double premium price to go tracker free. And I'm sure I'm not the only one who would pay more.