ProntoPAX Calculator

ProntoPAX Calculator

Pronto Timing System

Available on Google Play
4.8(22)
1,000+ installsFreeProductivity

Updated Feb 17, 2026 · v2026.02

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Pronto Timing System Autocross PAX Calculator

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.

Released
April 7, 2015

11 years on Google Play

Version
2026.02
Updated
Feb 17, 2026
Content Rating
Everyone
Installs
1,000+
Developer
Pronto Timing System
Website
http://ProntoTimingSystem.com
Email
sales@ProntoTimingSystem.com
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5★
20
4★
0
3★
0
2★
1
1★
0