Purchase DiffEngineX

Shortly after payment is received you will receive your registration key by email. Normally this will be within one business day. Registration keys unlock the free trial version of the software. The software can be download from here. DiffEngineX works on Microsoft Windows computers only.

The license agreement, returns policy and data privacy policy can be found here.

Contact us for details on site licenses. Click here for details about our enterprise version of DiffEngineX, which comes included updates for 5 years after the date of purchase and priority support by email.


at $85 USD per single user license. Business/Government use.

at $45 USD per single user license. Personal use only.

Click here if you want to purchase DiffEngineX from MyCommerce (Digital River).

Recommended for European Union businesses. You may optionally add your VAT ID number during the payment process. Accepts debit/credit cards, checks and wire transfers.

Small Businesses

If your company has less than 15 employees and a turnover equivalent to $2 million USD world-wide or less, you are entitled to buy 5 licenses at the discounted price of $160 USD.

This offer is not open to resellers.

Compare Text

New! If you write any kind of document from contracts to articles and you want to see the changes, get our other product TextDiff.