HPDash Racer Dial-In Predictor
Drag racing dial-in & logbook
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Log your passes by hand or just snap a photo, and Racer learns your car — then predicts your dial from the real air measured right where you're parked. No guessing.
HPDash Racer is a drag-racing logbook that learns YOUR car and predicts your dial-in from the real air — measured right where you're parked, not guessed from an airport 20 miles away.
LOG IT YOUR WAY
• Type your pass straight off the timeslip — fast between rounds, and it works offline in a dead-zone staging lane.
• Or just snap a photo. Racer reads the numbers off a printed track slip OR a Dragy screenshot and fills the form in for you.
• Batch-import your whole camera roll at once — it sorts detail slips from your history list, pulls the dates, and lets you pick your lane on a two-lane slip.
• Every image is read on your phone. Pictures never leave it.
PREDICTS YOUR DIAL — AND SHOWS ITS WORK
• Every prediction is a fit to your own logged runs — per car, per setup, per distance (1/8 and 1/4 kept separate). Not a generic chart.
• Change the converter, gear, tire, or tune? One tap and the math restarts honestly instead of blending two different cars.
• It never bluffs. Every prediction ships a ± window and an A–D data grade based on how many clean runs you've logged across how much air. If tonight's air is outside anything you've run, it says so.
• Tap SHOW THE MATH to see your runs plotted with the line through them.
MEASURED AIR, NOT GUESSED AIR
• Your phone's barometer reads the true air pressure at your exact spot — the one input weather apps only estimate.
• Live density altitude, air density, grains, and SAE power at a glance.
• AIR AT ROUND TIME projects the air 30–60 minutes ahead so you can write your dial before you run.
• Trackside thermometer beats a distant station — type your own reading and it always wins.
MEASURE RUNS LIVE WITH A DRAGY (OPTIONAL)
• Connect a Dragy GPS box and Racer measures every pass for you — 0-60, rolls (60-130 and more), 60 ft, ETs and trap — then compares each run to its own prediction in real time.
• Works with the DRG69 and the DRG70 "Pro" — auto-detected.
• Each run is saved as a branded timeslip with a speed / elevation / g-force chart and full splits.
YOUR DATA STAYS YOURS
• Everything lives on your phone. No account, no cloud, no ads, no analytics, no data sharing.
• Export your whole logbook to CSV anytime — it's yours.
FREE vs RACER
Logging, photo & batch import, live Dragy measurement, and the full density-altitude readout are free forever. A Racer subscription unlocks the prediction (predicted ET, your dial, the data grade, the ± window, SHOW THE MATH) plus always-fresh, auto-updating air. $34.99/year with a 7-day free trial, or $4.99/month. Your logbook stays readable and exportable whether you subscribe or not.
Built by racers, for racers.
## What's New (v1.0) (4000)
First release. Log by hand or by photo/batch scan, predict your dial from measured air, and — with a Dragy — measure your runs live.
Terms of Use (EULA): https://www.hpdash.com/terms
Privacy Policy: https://www.hpdash.com/racer-privacy-policy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Dragy runs just got a lot sharper.
• More accurate ETs — runs are now calibrated against real track timeslips, so your numbers line up with the clock.
• Cleaner timeslips — the chart shows just the pass instead of the shutdown and roll-back, with smoothed speed, g-force, and elevation.
• G-force at every gate — see the g you pulled at 60 ft, 330, 1/8, 1000 ft, and 1/4, with peak g marked on the chart.
• Density Altitude on every run — know the exact air each pass was made in.
• Smarter validation — flat strips and post-run signal drops no longer get falsely flagged invalid.
• Runs end when the pass ends — no more long recordings that dragged in the return road.
Your existing runs are re-scored automatically the first time you open this update — nothing to redo.
Plus full iPad support with a two-pane layout.
The developer, Craig Paterson, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Craig Paterson
- Size
- 42.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 9.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- HPDash Racer Yearly $34.99
- Copyright
- © HPDash, LLC
