Purchase ExamDiff Pro

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Buy ExamDiff Pro with Credit Card

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Secure payment
This is a secure SSL encrypted payment through our payment partners.
License to (e.g. name, organization):
Help This email address will be used to send your license activation code.
Number of seats:
Help A single-seat license allows ExamDiff Pro to be used by one person on up to three computers.

A multi-seat license allows ExamDiff Pro to be used on up to as many computers as you have seats, with one user per seat.

Number of Seats Price Per Seat
1 $34.99
2 - 9 $32.99
10 - 24 $30.99
25 - 49 $28.99
50 - 99 $26.99
100 - 999 $24.99
1000 or more $22.99
Maintenance period:
Help Your license never expires, and you can continue to use your current version of ExamDiff Pro forever.

You will receive free upgrades to newer versions for the duration of your maintenance period. After it expires, you'll be able to upgrade to a newer version for a lower upgrade fee.
Total price:
Let me know when new versions of ExamDiff Pro are released. (You will receive about two emails a year.) PrestoSoft does not share or sell your personal information.
30-day money back guarantee
Note: you will have a chance to review your order before submitting it.

What Happens Next

After your order is processed, we will email your ExamDiff Pro password for either Standard or Master edition to you almost instantly. To activate ExamDiff Pro, follow the instructions in the password email. Please note that while passwords are sent automatically, special requests (i.e. older versions, special password format) must be handled on a case-by-case basis; please allow 24 hours for any special request.

For more details about licensing, see the EULA. Each license includes unlimited email support and at least one year of free upgrades, depending on the number of maintenance years purchased. After your maintenance period expires, you may purchase an upgrade license to keep up to date with newer versions (see ExamDiff Pro Pricing).

Any questions about the status of your order, product details, technical support, etc., must be directed to PrestoSoft.

More ExamDiff Pro Purchasing Options

Purchasing an Upgrade

To purchase an upgrade, please send an email to PrestoSoft with your current license name and number of seats you own (you can find this information in the About Box). In return you will be emailed instructions on how to purchase an upgrade. If you purchased ExamDiff Pro more than once, and you wish to upgrade all of your separate licenses in one consolidated upgrade, please email all of your license names along with the number of seats for each license.