Model Accuracy is free to anyone to download and demo the software on a restricted license. However, you are restricted to using only one GRIB file source comparison to your log files.

To analyze any and all GRIB files against your log data the software must be purchased via a subscription.

To purchase Model Accuracy with an unrestricted license complete the following steps:

Step 1. Download and install software (use above download link)

  • Preferred browsers for download are Firefox /Chrome & a solid internet connection is required

Step 2. On the user interface of the software click the “BUY NOW or ENTER a LICENSE KEY” button.

  • This button will automatically direct you back to this Download/Purchase page on the website AND automatically fills in your computer’s MAC address in the purchase information page.

Step 3. Click BUY NOW - PURCHASE ANNUAL SUBSCRIPTION FOR $149.

  • Enter the last name of the person who referred you in the “Referral Code” entry form

Step 4. An email will arrive with the License Key.

  • If you have internet access restarting the Model Accuracy app will retrieve the license automatically.

  • If you do NOT have internet, then Copy/Paste the license key where it says “ENTER a LICENSE KEY”.

    This will unlock Model Accuracy and give you full functionality.

Model Accuracy is a yearly subscription service. Each year, approximately 7 days before your subscription renews, you will be automatically emailed a notice of pending charge for the next year’s subscription. You can opt out and cancel at the one year mark, or simply email us directly and we can cancel your account.

Short video on how to obtain your computer’s MAC/Physical address if needed.

-- Navigation Software Requirements to produce log files:
Expedition Sailing software   Adrena Sailing software NMEA instrument data

-- Recommended System Requirements:

CPU: > 1 GHz
RAM: 1 GB
Disk space: 500 MB
Operating System: Windows 7, 8.x, 10, 11, Server 2008

-- Minimum System Requirements:

CPU: Pentium 2 266 MHz processor
RAM: 256 MB
Disk space: 200 MB
Operating System: Windows 7, 8.x, 10, 11, Server 2008 - 64 & 32 bit - (XP at own risk, not officially supported)

Troubleshooting & Technical Support

If you encounter an error and would like support please send us a .zip file of your boat log files, GRIB files, and a screenshot of the Model Accuracy interface right before you click "Analyse!" We will do our best to help you right away!

Contact: support@modelaccuracy.com Email us to set up a private session on how to use Model Accuracy!