ProntoPAX Calculator

Pronto Timing System
22 reviews
Content rating
Everyone
1K+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image

About this app

Pronto Timing System Autocross PAX Calculator is a FREE autocross PAX calculator based on the Sports Car Club of America Classes with PAX index used for Autocross and Solo Events. Now also includes the ProSolo PAX index.
Pronto Timing System Autocross PAX Calculator
Updated on
Feb 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

Ratings and reviews

22 reviews
Danny Gross
April 22, 2023
Great app, please update to 2023 pax. Thanks!
2 people found this review helpful
Did you find this helpful?
Pronto Timing System
May 3, 2023
We submitted the update for 2023 almost a month ago. We are waiting for it to be published to the play store. Thanks.
Jims Detail
August 19, 2020
Thank you Darrin for all that you do for Solo.
1 person found this review helpful
Did you find this helpful?
A Google user
June 11, 2017
I get an error whenever I yahoo the box to put in a time...no worky. Samsung G6
1 person found this review helpful
Did you find this helpful?

What’s new

v2026.02 - Update to SS, GS, CAMC, and XU indexes released on Jan 19th.
Flag as inappropriate
Content rating
Everyone
Learn more

App support

About the developer
PRONTO TIMING SYSTEM
sales@ProntoTimingSystem.com
4933 NE 48th Ct High Springs, FL 32643 United States
+1 561-376-4992
Flag as inappropriate