Comparison

PDRA Slips vs TrackR Performance

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDRA Slips

Access detailed drag racing time slips from PDRA events directly on your phone. Enhance your race day experience with real-time weather data and automatic density altitude calculations to help tune your engine and strategize your dial-in.

Highlights
  • Real-time time slip data
  • Weather station information
  • Automatic density altitude calculation
  • Engine tuning assistance
  • Dial-in calculation for bracket racing
  • Review qualification, pairing, and ladder reports
Features
Read full description

Drag racing Time slips from the PDRA events 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 PDRA events at any time including qualification, pairing and ladder reports. 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. You can review our "Terms of Use" here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ You can review our "Privacy Policy" here: https://www.dynogeeks.com/privacy.html

About

TrackR Performance

Features
Read full description

TrackR is the bracket racer's data logbook and dial-in predictor — built by racers, for racers. Log every pass in seconds, let TrackR learn your car, and walk up to the lanes knowing your number. Every ET prediction is backed by real math — no black box. PREDICT YOUR DIAL-IN • ET predictions from density altitude, your reference runs, and wind • See the breakdown behind every number: reference run + air + wind • Confidence grows the more you log • 1/8 and 1/4 mile kept separate — never mixed LOG RUNS FAST • Snap your timeslip and let TrackR read it for you • Automatic weather and density altitude at your track • Capture 60-foot, splits, MPH, reaction time, dial-in, and finish margin • Win/loss and round-by-round history KNOW YOUR CONDITIONS • Live density altitude for your track • Hourly ET forecast — find the best window to run • Weather what-if simulator: see how cooler air or a headwind moves your ET TRACK YOUR CAR • Full car profile and setup baselines • Maintenance reminders by runs, race days, calendar, and season • A setup snapshot saved with every pass MORE • 1,000+ US drag strips built in • Import Racepak data logger files • Clean, fast, dark interface made for the lanes Have a feature request or found a bug? The in-app feedback button comes straight to our team. Stop guessing. Make race-day calls from your own data.

Screenshots

PDRA Slips4 screens
TrackR Performance4 screens

Verdict

The call

The clearest difference is in-app purchases: TrackR Performance at none against PDRA Slips's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDRA Slips sells 2 in-app purchases, starting at $4.99 per month. TrackR Performance asks for nothing beyond the download.

UpkeepUpdate frequency

PDRA Slips ships an update fortnightly, TrackR Performance every 3 weeks. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 9 level
PDRA Slips versus TrackR Performance: the parameters behind the verdict, then further details
ParameterPDRA SlipsTrackR Performance
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size17 MB38 MB
Age rating4+4+
DeveloperStephan MonetteDana Leonard

In-app purchases

2 purchases

PDRA Slips

Subscriptions2
  • PDRA Sharing Access$4.991 Month
  • Annual Premium Access$8.991 Year
None

TrackR Performance

No in-app purchases

Questions

Is PDRA Slips free?
PDRA Slips is free to download, with in-app purchases available.
Is TrackR Performance free?
TrackR Performance is free to download, with no in-app purchases.
Do PDRA Slips or TrackR Performance have ads?
Neither PDRA Slips nor TrackR Performance shows ads.
Which is updated more often, PDRA Slips or TrackR Performance?
PDRA Slips ships an update fortnightly, and TrackR Performance every 3 weeks. Most recently, PDRA Slips was updated on October 14, 2026 and TrackR Performance on September 30, 2026.

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