There are not "all" my purchases. I had 5 iPhones now over 7 years. I really mean every single purchase
1. From a computer, initiate the iTunes app
2. Sign in, if prompted.
3. Select "Store" at the top of the screen
4. Select "View Account"
5. Scroll down to the "iTunes in the Cloud" section and then select "Manage" next to "Hidden Purchases", if applicable.
6. Select "Apps". If you have any hidden purchases, they will be shown on this screen. If not, select "back to account".
7. Scroll down to "Purchase History" and then select "See All"
8. Choose the oldest year available.
9. If you've made multiple purchases on a given date, tap on the gray circle with the white arrow in front of the dates to see exactly what you purchased.