Follow these instructions to view your purchase history:

Using the Google Play app
  • On your mobile device, open the Google Play Store app Google Play.
  • Tap Menu and then Account.
  • Tap Order history.

Using play.google.com
  • Go to your Google Play account
  • Scroll down to review your orders

Using payments.google.com
  • Go to payments.google.com.
  • Find Other purchase activity
  • Select View purchases.
  • Select an order to see your receipt.
  • When to expect charges

Note:
You'll be charged shortly after you purchase content on Google Play. You'll see any changes to your Google Play balance appear immediately, and charges to other payment methods generally appear within a few days.