# WDRA — WDRA TimeSlip App

> Drag racing time slips, weather, and density altitude calculator for WDRA tracks. (iPhone/iPad app by Stephan Monette.)

- Source: https://appshunter.io/ios/app/wdra/id1672148925 (this page in markdown: same URL + `.md`)
- Developer: [Stephan Monette](https://appshunter.io/developer/1299469285)
- Category: Sports, Productivity
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 21 MB
- Languages: English
- Released: 2023-02-18
- Data updated: 2026-06-21
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/wdra/id1672148925/reviews.md

## What is WDRA?

Drag racing Time slips from all the participating WDRA race tracks are currently printed using a receipt printer at the race track. This app shows the same time slips information on your phone.

The app also enhanced the racer and spectator's experience at the race track by reading more detailed information from each race track on the phone in realtime (within seconds after each race).

The app shows the weather station information and calculate the Density Altitude automatically to help the racers to tune their engines before racing. A first in the industry.

This app lets you review drag racing time slips from all the participating WDRA race tracks at any time. 

The racers can also use the time slips of their car# and show their car's performance base on the Density Altitude to help calculate your next Dial In at your next bracket drag race with your car. This is another first in the industry.

## Key features

- Real-time time slip data
- Weather station information
- Automatic Density Altitude calculation
- Engine tuning assistance
- Dial-in calculation for bracket racing
- Review past time slips


## Frequently asked questions about WDRA

### What is WDRA?

WDRA is an app that provides drag racing time slips and performance data from participating WDRA race tracks directly to your phone. It aims to enhance the experience for both racers and spectators.

### Does WDRA have ads?

No, WDRA does not contain advertisements. It is a free application designed to provide useful data for drag racing enthusiasts without interruption.

### What devices does WDRA support?

WDRA is available for iPhone, iPad, and iPod devices. It is designed to be accessible on Apple's mobile and tablet platforms.

### How often is WDRA updated?

The latest version of WDRA is 2.02, last updated on January 23, 2025. Updates typically focus on improving features and data accuracy for users.

### Can WDRA help me tune my engine?

Yes, WDRA displays weather station information and automatically calculates Density Altitude. This data is crucial for racers to tune their engines effectively before a race.

### How does WDRA help with dial-in calculations?

Racers can use their car's performance data from time slips and the Density Altitude calculation within WDRA to help determine their next dial-in for bracket drag races.

### What is the age rating for WDRA?

WDRA has an age rating of 4+. This indicates it is suitable for a very broad audience, including young children, with no mature content.

### Where can I find WDRA time slips?

WDRA time slips are available for all participating WDRA race tracks. You can review these slips at any time directly within the application.

## Version history (last 5 releases)

### 2.02 — 2025-01-23

Minor bug fixes

### 2.01 — 2024-08-12

Fixed a minor crash bug

### 2.00 — 2024-03-29

- New Weather Station data
- New Qualification Report
- New Pairing Report
- New Ladder Report
- User can print the timeslip on a WIFI Receipt Printer.

### 1.11 — 2023-05-12

Fixed a crashing bug when updating the weather data.

### 1.10 — 2023-04-09

Fixed a crashing bug

## Apps similar to WDRA

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SPEED SPORT TV](https://appshunter.io/ios/app/speed-sport-tv/id1490941074) | 2.7 (7) | Free | Sports |
| [NTPA](https://appshunter.io/ios/app/ntpa/id6742965734) | 5.0 (3) | Free | Sports |
| [Racemaster Live](https://appshunter.io/ios/app/racemaster-live/id1667468974) | — | Free | Sports |
| [Pro Pairings](https://appshunter.io/ios/app/pro-pairings/id1575493397) | 4.0 (24) | Free | Sports |
| [DragRacing – Real Drag Timer](https://appshunter.io/ios/app/dragracing-real-drag-timer/id1581306865) | 4.1 (15) | Free | Sports |
| [Air Density & Altitude: AirLab](https://appshunter.io/ios/app/air-density-and-altitude-airlab/id1468692831) | 3.4 (18) | Free | Sports |

## More apps by Stephan Monette

- [GO FM](https://appshunter.io/ios/app/go-fm/id1382816942)
- [Racing Slips](https://appshunter.io/ios/app/racing-slips/id1412589857)
- [UniqueFM](https://appshunter.io/ios/app/uniquefm/id1445313757)
- [RaceOSW](https://appshunter.io/ios/app/raceosw/id1449450293)
- [Race SMP](https://appshunter.io/ios/app/race-smp/id1462681967)
- [SGMP](https://appshunter.io/ios/app/sgmp/id1472954577)

All apps by Stephan Monette: https://appshunter.io/developer/1299469285

## Related topics

[wdra](https://appshunter.io/ios/topics/wdra) · [stephan monette](https://appshunter.io/ios/topics/stephan-monette)

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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 2026-06-21.*