Comparison

Racemaster Live vs HowFast

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

Head to head
About

Racemaster Live

Features
Read full description

Racemaster Live is an ad-free app that will utilize mobile devices that everyone uses daily to help solve the problems of (1) not knowing when and where races are taking place and (2) writing race pairings for each round on a piece of paper. It uses your device location to show what races and businesses are in their area. Users can change their location or search area as needed. App all features are Paid. Please check below details. SUBSCRIPTION INFO Your payment will be charged to your iTunes Account once you confirm your purchase and free trial period over. Your iTunes account will be charged again when your subscription automatically renews at the end of your current subscription period unless auto-renew is turned off at least 24 hours prior to end of the current period. You can manage or turn off auto-renew in your Apple ID Account Settings any time after purchase. - One month free trial available on all plans. 1. General User: View events, event results and businesses that have been added to the app. 2. Racer/Business Owner: View events and event results. Create a profile for your business or race team that will be visible to app users. This is a great way to make your business visible to the users. 3. Promoter/Track Owner: Create events, add event results, and create business profiles that will be visible to app users. This will be how events are added and event results are populated. Support: Caleb@HolderSoftwareSolutionsLLC.com Privacy Policy: https://racemasterlive.com/privacy.htm Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HowFast

Predict your drag race elapsed times with real vehicle specs and atmospheric conditions. The app learns from your runs to improve accuracy and logs every pass for detailed analysis. Upgrade for advanced features like OBD-II connectivity and multi-run comparisons.

Highlights
  • Elapsed time prediction
  • Real-time density altitude correction
  • Automatic run detection
  • Run history logbook
  • Export to DynoLog
  • OBD-II connectivity (Pro)
  • Multi-run comparison (Pro)
Read full description

Know your number before you stage. HowFast predicts your elapsed time using your vehicle's real specs — engine, drivetrain, tires, and the air conditions at your track. Whether you're dialing in for bracket racing or just curious how quick your car really is, HowFast gives you a data-driven starting point that gets smarter every time you run. Predict with confidence HowFast builds your ET prediction from the ground up — horsepower, drivetrain loss, tire grip, shift times, and real-time density altitude correction. The more you run, the more accurate it gets. HowFast learns from your actual timeslips and adjusts future predictions automatically. Built for the track, not the spec sheet! No expensive GPS hardware required. Use your iPhone's built-in GPS for run detection and timing, or connect to a RaceBox or Qstarz external GPS unit for precision timing at up to 25Hz. HowFast automatically detects your run and starts logging — no tapping required. Your logbook, is always with you! Every run is saved with your predicted ET, actual ET, speed, and conditions. Review your history, spot trends, and see how your tune is progressing over the season. Export Every Run in the DynoLog app effortlessly! HowFast captures your ET, trap speed, 60-foot time, and atmospheric data at the strip. DynoLog is where that data becomes a permanent part of your build record — plotted on a performance timeline, correlated to every mod you've made, and exportable as a professional PDF build sheet. After your pass, tap Export to DynoLog or login and the run lands in your build log automatically — no manual entry, no duplicate imports, no data left behind. Upgrade to Pro — one time purchase, yours forever. Unlock the full HowFast experience with a single one-time purchase: OBD-II connectivity— see your RPM, TPS, gear you're in, in real time Multi-run comparison — overlay runs and telemetry to find where you're gaining or losing Unlimited vehicles in your garage CSV export — take your data anywhere HowFast Pro is a one-time purchase. No subscription, no recurring charges. Whether you're a seasoned bracket racer chasing a perfect dial or a weekend warrior seeing what your car can do, HowFast is the smartest co-driver you've never had.

Screenshots

Racemaster Live4 screens
HowFast4 screens

Verdict

The call

The clearest difference is ads: Racemaster Live at none against HowFast's shown. Racemaster Live also leads on iOS requirement (13.0 vs 26.2). HowFast's advantage is update cadence (every 3 weeks vs every 3 months). On price, in-app purchases 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. Racemaster Live sells 6 in-app purchases, starting at $3.99 per month and HowFast sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Racemaster Live ships an update every 3 months, HowFast every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Racemaster Live versus HowFast: the parameters behind the verdict, then further details
ParameterRacemaster LiveHowFast
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.2
Further details — not scored
Size49 MB15 MB
Age rating4+12+
DeveloperHolder Software Solutions LLCDtimesTwo Technologies LLC

In-app purchases

6 purchases

Racemaster Live

Subscriptions6
  • General user7 Days trial$3.991 Month
  • Racer/Business Owner7 Days trial$6.991 Month
  • Promoter7 Days trial$9.991 Month
Show 3 more
  • General user7 Days trial$39.991 Year
  • Racer/Business Owner7 Days trial$69.991 Year
  • Promoter7 Days trial$99.991 Year
1 purchases

HowFast

One-time1
  • HowFast Pro$7.99

Questions

Is Racemaster Live free?
Racemaster Live is free to download, with in-app purchases available.
Is HowFast free?
HowFast is free to download, with in-app purchases available.
Do Racemaster Live or HowFast have ads?
HowFast shows ads; Racemaster Live does not.
Which is updated more often, Racemaster Live or HowFast?
Racemaster Live ships an update every 3 months, and HowFast every 3 weeks. Most recently, Racemaster Live was updated on November 3, 2026 and HowFast on October 31, 2026.

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