Comparison

RaceChrono Pro vs Track Attack! Lap timer & maps

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

Head to head
About

RaceChrono Pro

This app serves as a comprehensive lap timer and data logger for motorsports, enabling users to record and analyze performance. It offers video recording with data overlays and supports a wide range of external GPS and OBD-II devices for enhanced accuracy.

Highlights
  • Lap timing with sectors and optimal lap
  • Track library with over 2600 pre-made tracks
  • Data analysis with synchronized graphs and maps
  • Predictive lap timing
  • Video recording with data overlay
  • Support for external GPS and OBD-II devices
  • Unlimited session length
Features
Currently charting
Read full description

RaceChrono Pro is a versatile lap timer, data logging and data analysis app designed especially for use in motorsports, replacing your traditional lap timers and data loggers. The RaceChrono Pro app also enables you to record videos and overlay them with the logged data. RaceChrono apps have a strong following, currently over 100000 active users. If you look around at pits during your race or track day, chances are that you’ll see someone using RaceChrono. Even many professionals, such as factory test drivers and race driving instructors, are known to use this app! No matter whether you ride motorbikes, drive go-karts or cars, on closed circuit or special stage tracks – this is the motorsports app for you. RaceChrono Pro has following major features: • Lap timing with sectors and optimal lap • Track library of over 2600 pre-made race tracks • Custom user defined circuit and point-to-point tracks • Smoothly scrolling data analysis with synchronised graph, X/Y graph, map, video and comparison video • Predictive lap timing and time delta graph • Hardware accelerated video export with configurable data overlay • Multiple camera recording and picture-in-picture video export • Video recording using internal camera • Linking and synchronising video files from almost all action cameras • Support for external GPS receivers; Dragy Pro/DRG70/DRG70-C/Lite, RaceBox Mini/Mini S/Micro, Qstarz BL-818GT/BL-1000GT/LT-8000GT, Columbus P-9 Race, Dual XGPS 150/160, VBOX Sport, Garmin GLO • Support for OBD-II readers; OBDLink MX+ Bluetooth, OBDLink CX Bluetooth, Dragy OBD, Vgate vLinker FS, Vgate vLinker/iCar BLE, PLX Kiwi 3/4, Carista OBD2 Bluetooth, Tonwon BLE 1/2/Pro, Veepeak OBDCheck BLE, UniCarScan UCSI-2000, OBDLink MX Wi-Fi, generic Wi-Fi OBD-II • Support for Bluetooth LE heart rate monitors • Unlimited session length, good for 24 hour races • Session data export in .ODS (session summary for Excel), .NMEA, .VBO and .CSV formats

About

Track Attack! Lap timer & maps

Record your drives with video and GPS data. Plan routes with unlimited waypoints and navigate with live weather. For track use, it offers accurate lap timing and performance analysis. Supports dual-camera recording and customizable data overlays.

Highlights
  • Lap timer with delta bars
  • Route planning with unlimited waypoints
  • Dual-camera picture-in-picture video recording
  • Customizable video overlays
  • OBD, GPS, and heart rate sensor support
  • Shareable routes and data
Features
Read full description

GPS lap timer, video recorder, and driving telemetry in one simple app. Record laps, analyze performance, and instantly share videos with data overlays, ghost laps, and lap battles with friends. Unlike traditional lap timers, Track Attack makes video, telemetry, and sharing effortless in one polished app. No syncing, no external tools, no setup. Built for track days, racing, autocross, and canyon drives. Start recording in seconds: no accounts, no setup, just hit record and drive. GPS lap timer and driving analysis • Turn your phone into a high-precision GPS lap timer with real-time driving data • Accurate GPS lap timer for track days, racing, autocross, and hill climbs • Live delta tracking to see where you’re gaining or losing time • Sector times with grid view and HUD display inspired by Formula-style racing • CarPlay support with live lap times, delta, and critical driving data • Create, name, and share custom tracks and circuits in seconds • Heart rate and fatigue tracking to understand driver performance NEW: Ghost laps and lap battles • Compare laps side-by-side with dual video, telemetry overlays, and 2D/3D maps • Ghost laps: race against your best lap like a video game • Lap battles: compare sessions with friends and see who’s faster • Share sessions via AirDrop, link, or message, then export videos for social • Multi-driver and multi-car profiles • Detailed stats organized by driver, car, track or road, and time period Capture and relive every session • Record dual camera video (front + rear) with picture-in-picture • Import and sync external video (GoPro, DJI, Insta360, Meta smartglasses, and more) • Export full sessions or highlights • Social-ready portrait video for Instagram, TikTok, and YouTube Shorts • Add maps, ghost laps, or lap battles with dual video and overlays • Customize overlays: select from lap time, delta time, sectors, speed, RPM, throttle, GPS, heart rate, and more • Advanced camera stabilization and adjustable focus lock • Videos save directly to Photos for instant sharing Sensors, OBD, and external GPS • OBD BLE support for RPM, throttle, wheel speed, boost pressure, temperatures, and more (not all vehicles support all values) • Brake meter (requires OBD) to analyze threshold braking and trail braking • Capture full sensor data from your device (accelerometer, gyroscope, and more) • External Bluetooth GPS up to 25 Hz (RaceBox Mini, Mini S, Micro) for high-precision GPS and IMU tracking and analysis. Use code TRACKATTACK15 for 15% off RaceBox devices • Improved sensor reliability and failure handling • Access and export raw session data for deeper analysis, then share instantly via AirDrop, email, or message Routes and navigation (road driving) • Plan, create, and drive routes with unlimited waypoints • Perfect for canyon drives, road trips, and scouting new driving routes. • CarPlay support for navigation, recording, and live driving data • Capture video and data as you drive • Create routes by searching or tapping directly on the map • Create, name, and share routes • Clear waypoint info with icons, ETA, and live weather for better route planning and navigation • Optimized for cars and motorcycles (portrait and landscape layout supported) Apple Watch and Health • Apple Watch app with heart rate and calorie tracking per lap, session, and track • Health integration saves driving and racing workouts for deeper analysis Trusted by enthusiasts Trusted by the Porsche Club of America and thousands of performance driving enthusiasts worldwide. Track Attack free edition has a 25-minute recording limit per session and up to 10 sessions. External video import and sync are not included. Track Attack Pro removes all limits, unlocks external video sync, and enables more frequent live weather updates for improved on-road accuracy. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RaceChrono Pro4 screens
Track Attack! Lap timer & maps4 screens

Verdict

The call

The clearest difference is price: Track Attack! Lap timer & maps at Free against RaceChrono Pro's $19.99. Track Attack! Lap timer & maps also leads on review sentiment (98% vs 57%) and rating (4.9 vs 4.7). RaceChrono Pro's advantage is chart position (#11 vs unranked). On ratings volume, ads, in-app purchases and monetization model 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

Track Attack! Lap timer & maps is free to download; RaceChrono Pro costs $19.99 up front. RaceChrono Pro sells 3 one-off in-app purchases and Track Attack! Lap timer & maps sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Track Attack! Lap timer & maps holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 174 and 145 respectively. Written reviews point the same way: 57% of RaceChrono Pro's written reviews are positive against 98% of Track Attack! Lap timer & maps's.

UpkeepUpdate frequency

RaceChrono Pro ships an update monthly, Track Attack! Lap timer & maps every 2 weeks. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 6 level
RaceChrono Pro versus Track Attack! Lap timer & maps: the parameters behind the verdict, then further details
ParameterRaceChrono ProTrack Attack! Lap timer & maps
Price$19.99Free — better
Rating4.7 (174 ratings)4.9 (145 ratings) — better
Positive reviews57.4% of reviews98.0% of reviews — better
Number of ratings174 — better145
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
Best chart rank#11 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.6 — better16.0
Further details — not scored
Size43 MB33 MB
Age rating4+4+
DeveloperRaceChrono OyVelocity Labs LLC

Customer experience

RaceChrono Pro

All ratings174 ratings
Positive93.1%
Neutral2.9%
Negative4.0%
Written reviews141 reviews
Positive57.4%
Neutral12.1%
Negative30.5%

Track Attack! Lap timer & maps

All ratings145 ratings
Positive97.9%
Neutral0.7%
Negative1.4%
Written reviews99 reviews
Positive98.0%
Neutral1.0%
Negative1.0%

Bugs and requests

RaceChrono Pro

Not enough reviews yet to summarise bugs or requests.

Track Attack! Lap timer & maps

Reported bugs

3 issues
  • OBDlink MX+ device not appearing in OBD device list
  • Bluetooth connectivity issues with certain OBD readers
  • CarPlay interference with latest iPhone updates

Requested features

12 requests
  • External video import capability
  • Simulated braking data from G-force sensors
  • Lap splits functionality
  • Leaderboard feature for shared routes with friends
  • Portrait/vertical mode support
Show 7 more
  • Adjustable speedometer limit (not auto-scaling)
  • GoPro picture-in-picture support
  • Theoretical best lap calculations
  • Reference lap selection from different sessions
  • Logo/branding toggle for Pro users
  • Heart rate sync integration
  • Advanced driving analysis tools

In-app purchases

3 purchases

RaceChrono Pro

One-time3
  • Reference session 3$0.99
  • Reference session 2$4.99
  • Reference session 1$8.99
2 purchases

Track Attack! Lap timer & maps

Subscriptions2
  • Track Attack Pro (1 month)$12.991 Month
  • Track Attack Pro (1 year)$59.991 Year

Questions

Is RaceChrono Pro free?
RaceChrono Pro costs $19.99, and also offers in-app purchases.
Is Track Attack! Lap timer & maps free?
Track Attack! Lap timer & maps is free to download, with in-app purchases available.
Which has better reviews, RaceChrono Pro or Track Attack! Lap timer & maps?
Track Attack! Lap timer & maps is rated higher. RaceChrono Pro averages 4.7 out of 5 from 174 ratings, while Track Attack! Lap timer & maps averages 4.9 from 145 ratings.
Do RaceChrono Pro or Track Attack! Lap timer & maps have ads?
Neither RaceChrono Pro nor Track Attack! Lap timer & maps shows ads.
Which is updated more often, RaceChrono Pro or Track Attack! Lap timer & maps?
RaceChrono Pro ships an update monthly, and Track Attack! Lap timer & maps every 2 weeks. Most recently, RaceChrono Pro was updated on October 16, 2026 and Track Attack! Lap timer & maps on October 14, 2026.

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