This page provides prices for updating or upgrading existing single user licenses of RATS for Windows or Macintosh to the current release. Please see Multiple user licenses or UNIX Updates for update information for other RATS licenses.
The table below shows all possible update and upgrade paths for single user licenses. You can either update the software at your current level (Standard or Pro), or you can upgrade a Standard to RATS Professional.
| From | To | Price |
| RATS Pro 10.1 or older | RATS Pro 11 | $150 |
| RATS Std 10.1 or older | RATS Std 11 | $150 |
| RATS Std 10.1 or older | RATS Pro 11 | $300 |
If you are doing a full-version update (from 10.1 or earlier), you can switch platforms from Windows to Mac or vice versa. If you do switch, please include a note about it in the order, as otherwise, we'll contact you to verify that you intended to choose a different platform.
RATS is distributed electronically, so there is no charge for shipping and handling.
Illinois residents must add 10.25% sales tax. We do not collect sales tax or VAT on any other orders for customers outside of Illinois, however, you may owe an import tax or VAT that will be collected by your customs authorities.
Please contact us at sales@estima.com for quotes on updating multiple copies, network or cluster licenses, or if you have any other questions.