Comparison

Hotlap vs Kerbz Laps

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

Head to head
About

Hotlap

This app offers GPS lap timing and data logging for track day enthusiasts. Compare your performance with others in a community setting to improve your personal bests.

Highlights
  • GPS lap timing
  • Data logging
  • Performance comparison
  • Community features
  • Personal best tracking
Features
Read full description

Experience the competitive spirit and camaraderie of track days from anywhere. Hotlap is an exciting new community for track day enthusiasts. With intuitive GPS lap timing and data logging you can ealiy compare your performance with fellow drivers to achieve your next personal best.

About

Kerbz Laps

This app provides real-time GPS lap timing and voice coaching for track days. It analyzes your performance, offers tips based on your best laps, and saves session data for review. You can also compare your driving to previous sessions and upload videos with overlaid data.

Highlights
  • Real-time GPS lap timing
  • Live gap to best lap
  • Voice coaching with tips
  • Session data analysis
  • Lap-by-lap breakdown
  • Video overlay with lap data
  • Track leaderboard integration
Features
Read full description

Live coaching and timing. Kerbz Laps turns your device into a GPS lap timer for track days: it times every lap from the start/finish line, shows you as you drive whether you're ahead of your best, reads out your lap times, coaches you from your own best laps, and keeps the whole session for when you're back in the paddock. ON TRACK • Lap times from the GPS, timed where you crossed the line, not when the next reading came in • A live gap to your best lap at this track, in this car and these conditions, with your predicted lap time and your speed against your best • The screen fills green when you're ahead and red when you're behind, big enough to read at a glance • A new best lap lights up the screen, and every lap time is read out loud, through your device or your car's speakers • Timing starts when you drive off and asks to stop when you pull in • On your out lap, how far you have left to the start/finish line VOICE COACHING (with a free Kerbz account) • Before a turn where you have time to find, a tip from your own best lap there: "Turn 2: carry 4 mph more out of the turn, like your best" • A word when you match or beat your best through a turn, or set a new best lap • It waits until it has enough laps to go on, and never asks for more than you've already done AFTER THE SESSION • Your best lap, your optimal lap (your best through each part of the track, added up), your average, your top speed and how consistent you were • Turn by turn: your time, and your speed into the turn, mid-turn and out of it • Where the time is: the turns with the most to gain, and what your best lap did differently there • Where you braked, turned in and got back on the power, lap against lap, next to your best • Film the road with your device's camera or a GoPro, then watch it back with your lap data over the video, two laps side by side YOUR KERBZ LOGBOOK • Save your sessions to your Kerbz logbook, with the event, who ran it and your car • Registered for the event on Kerbz? The day is already in your logbook • Put your best lap on the track's leaderboard, where it goes up once its video is added MADE FOR THE TRACK • Works with no signal: tracks and your cars are kept on your device, and your sessions upload when you're back online • Your cars come from your Kerbz garage • Needs a device with built-in GPS Kerbz Laps is for closed race tracks only. Never use it on public roads. Set everything up before you drive, mount your device firmly, and don't touch it while the car is moving.

Screenshots

Hotlap4 screens
Kerbz Laps4 screens

Verdict

The call

The clearest difference is rating: Kerbz Laps at 5.0 against Hotlap's 4.3. Kerbz Laps also leads on in-app purchases (none vs 2) and update cadence (every 2 days vs every 4 weeks). Hotlap's advantage is ratings volume (79 vs 1). On price, ads, device support and iOS requirement 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. Hotlap sells 2 in-app purchases, starting at $2.99 per month. Kerbz Laps asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kerbz Laps holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Hotlap has 79 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Hotlap ships an update every 4 weeks, Kerbz Laps every 2 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard5 real differences · 5 level
Hotlap versus Kerbz Laps: the parameters behind the verdict, then further details
ParameterHotlapKerbz Laps
PriceFreeFree
Rating4.3 (79 ratings)5.0 (1 ratings) — better
Positive reviews69.4% of reviews—
Number of ratings79 — better1
Update frequencyEvery 4 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size118 MB38 MB
Age rating9+4+
DeveloperExtravehicular Activity, Inc.Kerbz Adventures, Inc.

Customer experience

Hotlap

All ratings79 ratings
Positive83.5%
Neutral1.3%
Negative15.2%
Written reviews36 reviews
Positive69.4%
Neutral0.0%
Negative30.6%

Kerbz Laps

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Hotlap

Reported bugs

10 issues
  • Data lost after phone transfer
  • App not working/updating
  • Photo upload stops at 90%
  • App is very buggy and slow
  • OBD2 recording feature broken
Show 5 more
  • Live delta time feature broken
  • Cannot select custom car
  • Sessions not being recorded
  • OBD2 adapters not recognized
  • App not functioning as expected

Requested features

7 requests
  • Record times while screen is off
  • CarPlay support
  • Update profile picture setting
  • Make app work in background
  • More accurate track layouts
Show 2 more
  • Support for 'other' car type
  • Improve telemetry graph readability

Kerbz Laps

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Hotlap

Subscriptions2
  • Hotlap Plus Monthly$2.991 Month
  • Hotlap Plus Annual$23.991 Year
None

Kerbz Laps

No in-app purchases

Questions

Is Hotlap free?
Hotlap is free to download, with in-app purchases available.
Is Kerbz Laps free?
Kerbz Laps is free to download, with no in-app purchases.
Which has better reviews, Hotlap or Kerbz Laps?
Kerbz Laps is rated higher. Hotlap averages 4.3 out of 5 from 79 ratings, while Kerbz Laps averages 5.0 from 1 ratings.
Do Hotlap or Kerbz Laps have ads?
Neither Hotlap nor Kerbz Laps shows ads.
Which is updated more often, Hotlap or Kerbz Laps?
Hotlap ships an update every 4 weeks, and Kerbz Laps every 2 days. Most recently, Hotlap was updated on November 3, 2026 and Kerbz Laps on November 6, 2026.

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