Most of DiffPlug is free!

Everything except the Simulink differ.

There is no need to register, just download it and start diffing!

Build a quote.

Quotes can be purchased instantly using a credit card () or a purchase order and check.

Code Description Unit cost Qty
dp.simstate.differ Differ for Simulink and Stateflow models USD 2000


  • A quote does not represent any obligation on your part.
  • Create as many quotes as you want.
  • A quote can be turned into an order by any of the following methods:
    • Make a payment using the Buy now button on the quote.
    • Email a PO to [email protected] that references the quote #.
    • Mail a PO to
      • DiffPlug LLC
        340 S Lemon Ave #3433
        Walnut, CA 91789


  • Whenever a quote is turned into an order, all of its licenses are instantly created and assigned to the purchaser.
  • If the license was created via a PO, the licenses will be temporary 30 day licenses.
  • When payment is received, the temporary licenses will be extended to the full terms of the order.

License terms

Operation and transfer

  • All purchased licenses allow operation of the software by one user on one computer, forever.
  • You may transfer your licenses between users and computers as often as you like, forever.

Maintenance and upgrade

  • Purchase also includes 1 year of maintenance.
  • During the maintenance period, the user is entitled to all upgrades which are released.
  • Once the maintenance period has expired, no further upgrades are allowed.
  • At the time of expiration, the maintenance contract may be extended for another year by paying 20.0% of the original purchase price.
If you have any questions, send us an email at [email protected].