Excellent App! This app is amazing if you have time to kill on trips. Or sitting at work or anything else where you can't take your books! The app single-handedly made Staff for me on the first try. I answered 100 questions twice a day. Once in the morning and once before bed. Only picked up my book to review wrong answers. It might be expensive, relative to other apps, but it got me an extra boost in pay worth itself in the first month! Worth it. (PDG Final Exams NCO)

I just recently found out I made MSgt. I've made every rank on the first try, and I believe that PDG GOLD made it possible! I recommend this product to all my troops.

I have been using McMillan's study guides throughout my career in the Air Force, from my first CDCs all the way to my most recent promotion test. I used PDG Advisor to prepare for this year's test. It was amazing and I scored an 87 on my PFE this year! I earned a line number for TSgt in the most difficult testing cycle in 17 years. It was only my second time going up for Tech and I made it by 18 points, 2nd highest score in my AFSC. Thanks again to the folks at McMillan Study Guides!