Comparison

JB4 Mobile 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

JB4 Mobile

This app acts as a mobile data logger and display for vehicles equipped with a JB4 tuner. It allows users to monitor and log various engine parameters, view data in real-time, and adjust settings for performance tuning.

Highlights
  • Live gauge monitoring
  • Data logging and graphing
  • User adjustable settings
  • WMI settings modification
  • On-the-fly map switching
  • Code reading and deletion
Features
Read full description

The brand new JB4 Mobile application is finally ready for public release and has lots of great new features including: *Gauge theme customizations *Built-in raw CSV data viewer *Revamped User Adj./WMI data editors *New modern UI completely rewritten from the ground up *More seamless integration with our backend servers JB4 Connect Kit Users: 1) Install the Connect Kit per the installation guide for your vehicle 2) Create your account/sign in with this app 3) Ensure JB4 Mobile has all requested permissions 4) Tap the Connect button in JB4 Mobile About The App: JB4 Mobile is a mobile data logger and display for use with the JB4 tuner from Burger Motorsports. JB4 Mobile allows you to monitor and log multiple parameters from your JB4 equipped car. Parameters such as boost, rpm, fuel trims, air/fuel ratios, ignition advance and much more are available. Current Features: Live gauges Data logging Data graphing Log export via email Code reading/deletion Modify User Adj. (boost, fuel, etc.) settings Modify WMI settings Switch maps on the fly Auto WOT logging JB4 Firmware Updating JB4 ® is a registered trademark of Burger Motorsports Inc ® and is used with written permission.

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

JB4 Mobile4 screens
Track Attack! Lap timer & maps4 screens

Verdict

The call

The clearest difference is review sentiment: Track Attack! Lap timer & maps at 98% against JB4 Mobile's 52%. Track Attack! Lap timer & maps also leads on price (Free vs $27.99) and rating (4.9 vs 3.8). JB4 Mobile's advantage is in-app purchases (none vs 2) and chart position (#4 vs unranked). On ratings volume, 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

Track Attack! Lap timer & maps is free to download; JB4 Mobile costs $27.99 up front. Track Attack! Lap timer & maps sells 2 in-app purchases, starting at $12.99 per month. JB4 Mobile asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Track Attack! Lap timer & maps holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 239 and 145 respectively. Written reviews point the same way: 52% of JB4 Mobile's written reviews are positive against 98% of Track Attack! Lap timer & maps's.

UpkeepUpdate frequency

JB4 Mobile ships an update every 3 months, Track Attack! Lap timer & maps every 2 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

Scorecard7 real differences · 4 level
JB4 Mobile versus Track Attack! Lap timer & maps: the parameters behind the verdict, then further details
ParameterJB4 MobileTrack Attack! Lap timer & maps
Price$27.99Free — better
Rating3.8 (239 ratings)4.9 (145 ratings) — better
Positive reviews52.4% of reviews98.0% of reviews — better
Number of ratings239 — better145
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#4 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 — better16.0
Further details — not scored
Size24 MB33 MB
Age rating4+4+
DeveloperDmac Mobile Developments, LLCVelocity Labs LLC

Customer experience

JB4 Mobile

All ratings239 ratings
Positive66.9%
Neutral12.1%
Negative20.9%
Written reviews145 reviews
Positive52.4%
Neutral13.1%
Negative34.5%

Track Attack! Lap timer & maps

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

User reviews

JB4 Mobile

From 239 App Store ratings

What we love

  • 🚀 Great app and a must have with the JB4
  • 🔒 Robust security features
  • 👍 Awesome data logging
  • 👍 Incredible Support
  • 👍 Works as expected

Room to improve

  • 🐛 Doesn't work properly, screen upside down and backwards
  • 🐛 Stopped working after update
  • 🐛 Bluetooth connection issues
  • 🐛 Gauges freezing
  • 🐛 Screen turns off

Track Attack! Lap timer & maps

From 145 App Store ratings

What we love

  • 👍 Extremely user-friendly interface and easy setup
  • 🎥 High-quality video recording with customizable overlays
  • 📊 Comprehensive telemetry data and lap timing accuracy
  • 🔗 Seamless OBD2 device connectivity via Bluetooth
  • 💰 Free base version with optional paid features

Room to improve

  • 💳 Subscription required for full functionality
  • 📱 Landscape-only mode limits accessibility
  • 🎨 Limited customization for visual elements (logo, dial styles)
  • 🔌 Occasional Bluetooth connectivity issues with some OBD devices
  • 📺 Logo placement takes up significant screen space

Bugs and requests

JB4 Mobile

Reported bugs

5 issues
  • App crashes
  • Can't connect to server
  • Mirrored/inverted display
  • Compatibility issues with new iOS versions
  • Trouble logging in

Requested features

5 requests
  • Add CarPlay support
  • Allow customizing map names
  • Add more gauge styling options
  • Improve UI and layout
  • Integrate with Apple Carplay

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

None

JB4 Mobile

No in-app purchases

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 JB4 Mobile free?
JB4 Mobile costs $27.99, with no 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, JB4 Mobile or Track Attack! Lap timer & maps?
Track Attack! Lap timer & maps is rated higher. JB4 Mobile averages 3.8 out of 5 from 239 ratings, while Track Attack! Lap timer & maps averages 4.9 from 145 ratings.
Do JB4 Mobile or Track Attack! Lap timer & maps have ads?
Neither JB4 Mobile nor Track Attack! Lap timer & maps shows ads.
Which is updated more often, JB4 Mobile or Track Attack! Lap timer & maps?
JB4 Mobile ships an update every 3 months, and Track Attack! Lap timer & maps every 2 weeks. Most recently, JB4 Mobile was updated on October 11, 2026 and Track Attack! Lap timer & maps on October 14, 2026.

Other comparisons