# Pax Calculate — Whitener Racing Pax Calculator

> Autocross indexed time calculator for SCCA competition. (iPhone/iPad app by DAVID DEAN WHITENER.)

- Source: https://appshunter.io/ios/app/pax-calculate/id6757114439 (this page in markdown: same URL + `.md`)
- Developer: [DAVID DEAN WHITENER](https://appshunter.io/developer/1864656677)
- Category: Sports, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 3 MB
- Languages: American English
- Released: 2026-01-05
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/pax-calculate/id6757114439/reviews.md

## What is Pax Calculate?

PAX Calculator makes it easy to calculate and compare indexed times for SCCA autocross competition.

FEATURES:
- Calculate PAX indexed times from raw times
- Compare times between different classes
- See exactly what time you need to beat competitors in other classes
- View complete list of current PAX and PSI class factors
- Switch between standard PAX and ProSolo PSI indexes
- No login required, no ads, no data collection

Whether you're trying to figure out your indexed time or comparing your performance against competitors in different classes, PAX Calculator gives you instant answers. Perfect for autocross competitors who want quick, accurate calculations at events or while reviewing results.

This is an independent application created by an SCCA member. It is not affiliated with, endorsed by, or an official product of the Sports Car Club of America™ (SCCA®).

## Key features

- Calculate PAX indexed times
- Compare times across classes
- View PAX and PSI class factors
- Switch between PAX and PSI indexes
- No login or data collection
- No advertisements


## Frequently asked questions about Pax Calculate

### What is Pax Calculate used for?

Pax Calculate is used to compute and compare indexed times for SCCA autocross competitions. It helps users understand their performance relative to competitors in different vehicle classes.

### Does Pax Calculate have ads?

No, Pax Calculate is ad-free. The app explicitly states 'no ads' in its features, ensuring an uninterrupted user experience.

### What is the rating for Pax Calculate?

Pax Calculate has a perfect rating of 5.0 stars based on one user review. This indicates a highly positive initial reception.

### Is Pax Calculate available on Android?

Based on the provided data, Pax Calculate is available on iPhone and iPad. Support for Android devices is not mentioned.

### How often is Pax Calculate updated?

Pax Calculate was last updated on January 29, 2026, with version 1.06. This suggests a recent update, though historical update frequency is not detailed.

### Can I compare my times to competitors in different classes with Pax Calculate?

Yes, Pax Calculate allows you to compare times between different classes. It shows you the exact time needed to beat competitors in other categories.

### What is the age rating for Pax Calculate?

Pax Calculate has an age rating of 4+. This means it is suitable for users aged four and older.

### Does Pax Calculate require a login?

No, Pax Calculate does not require any login. It also does not collect user data, prioritizing privacy and ease of use.

## Version history (last 2 releases)

### 1.06 — 2026-01-29

- Updated PAX values
- Updated app name display
- Added SCCA disclaimer

### 1.05 — 2026-01-05

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*