uses CFBundleVersion for bundleVersion

Original Application Version
The version of the app that was originally purchased.

**ASN.1 Field Type** 3
**ASN.1 Field Value** UTF8STRING
**JSON Field Name** application_version
**JSON Field Value** string

This corresponds to the value of *CFBundleVersion* (in **iOS**) or CFBundleShortVersionString (in OS X) in the Info.plist file when the purchase was originally made.

In the sandbox environment, the value of this field is always “1.0”.

[Source](https://developer.apple.com/library/ios/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1)