# HRP Slips

> Drag racing time slips and track data for Houston Raceway Park. (iPhone/iPad app by Stephan Monette.)

- Source: https://appshunter.io/ios/app/hrp-slips/id1512702119 (this page in markdown: same URL + `.md`)
- Developer: [Stephan Monette](https://appshunter.io/developer/1299469285)
- Category: Sports, Productivity
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 9 MB
- Languages: English
- Released: 2020-05-16
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hrp-slips/id1512702119/reviews.md

## What is HRP Slips?

Drag racing Time slips from the Houston Raceway Park race track 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 the Houston Raceway Park race track at any time. 

You can also listen to the race track annoncer live during any events at the track!

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
- Live announcer audio
- Weather station information
- Automatic Density Altitude calculation
- Engine tuning assistance
- Dial-in calculation for bracket racing


## Frequently asked questions about HRP Slips

### What is HRP Slips?

HRP Slips provides drag racing time slips and real-time track data from Houston Raceway Park directly to your phone. It enhances the experience for racers and spectators with detailed race information and helpful tools.

### Does HRP Slips have ads?

The provided data does not specify if HRP Slips contains advertisements. As it is a free application, it may include ads to support its development and operation.

### How does HRP Slips help racers tune their engines?

HRP Slips displays weather station information and automatically calculates Density Altitude. This data helps racers tune their engines more effectively before a race.

### Can I get live audio from the track with HRP Slips?

Yes, racers and spectators can listen to the race track announcer live during any events at Houston Raceway Park through the HRP Slips app.

### What is Density Altitude and how does HRP Slips use it?

Density Altitude is a measure of air density that affects engine performance. HRP Slips automatically calculates it, allowing racers to use their car's performance data to help determine their next dial-in for bracket drag racing.

### What devices is HRP Slips available on?

The provided data does not specify device compatibility beyond being a mobile application. However, it is generally expected to be available on Android and iOS devices.

### How often is HRP Slips updated?

The latest version of HRP Slips is 1.06, and it was last updated on April 10, 2022. This indicates a relatively infrequent update schedule.

### What is the age rating for HRP Slips?

HRP Slips has an age rating of 4+, making it suitable for a wide audience. The app focuses on sports data and does not contain content typically deemed inappropriate for younger users.

## Version history (last 1 release)

### 1.06 — 2022-04-10

Changed the app's icon.

## Apps similar to HRP Slips

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TeamsCoach](https://appshunter.io/ios/app/teamscoach/id1542127920) | 5.0 (1) | Free | Sports |
| [My Coach Rugby](https://appshunter.io/ios/app/my-coach-rugby/id1335969060) | 5.0 (1) | Free | Sports |
| [GoTimeSportsApp](https://appshunter.io/ios/app/gotimesportsapp/id1621766220) | 3.0 (2) | Free | Sports |
| [SportyHQ Bookings](https://appshunter.io/ios/app/sportyhq-bookings/id1264400920) | 5.0 (1) | Free | Sports |
| [MyTeams Coach](https://appshunter.io/ios/app/myteams-coach/id1257569280) | — | Free | Sports |
| [Хлопотное дельце](https://appshunter.io/ios/app/id1541529200) | 3.0 (1) | 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

---

*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 2026-06-10.*