Seeing your purchase history on iTunes for iPhone/iPad/Mac
How to view iTunes purchased app history: Step by step
If you have purchase an application in the App Store, you'll receive a regular E-mail from Apple with the recent purchases apps. Those E-mails you do not have to save, because you can find the list of purchased apps in iTunes.
Click on the left side of the page on iTunes store.
Login in and enter your Apple ID and password.
The log in button changes: it lets see your account name. Click on it. Then enter your password again, and then click on view account.
You're going to your account information. Halfway through the screen you can see the purchase history.
With the drop down menu on the screen, you can zoom in for more detail of your orders, for example each month. Unfortunately, you can not easily find in this overview if you have already purchased a paid app. If you doubt whether you have ever purchased a paid app, you can browse through the listings per month or make sure you safe all future emails. However, there is an easier way with the iPhone and iPad.
View previous app purchases on iPhone and iPad
Open the App Store app on your iPhone, go to Updates. At the top of the update screen you will see a heading Purchases, where you will see your previous purchases. You can distinguish between all apps and apps that are not on your iPhone or iPad device.