PerfExpert vs LapTrophy

Know your car's true performance. Turn your smartphone into a professional dyno. Measure the real horsepower and torque of your engine — within 2% of a chassis dynamometer — and time your car's acceleration. No OBD adapter, no cables, no expensive dyno sessions. Just mount your phone, accelerate, and get instant results. Test and compare performance upgrades. Whether you're verifying an ECU remap, testing a new exhaust, or tracking the effect of a chiptuning session, PerfExpert gives you objective, independent data you can trust. HOW IT WORKS 1. Create your car profile Enter your vehicle's weight, tire sizes, and gear ratios. Not sure about a spec? The app guides you through every step. 2. Mount your phone & accelerate Secure your phone in the car — no connection needed. Find a flat, straight road. Accelerate in one gear from low RPM to redline. That's it. 3. Get instant results Power and torque curves appear immediately, just like on a real chassis dynamometer. Compare runs, track your modifications, and share results. MEASUREMENT MODES Dyno — Full power & torque curves vs. engine RPM. Advanced drivetrain loss model, rev limiter detection, and correction standards (DIN, SAE, JIS, CEE, ISO). Results as detailed as a professional chassis dyno. Timed Run — Measure acceleration from a standing start. Speed intervals: 0-100, 100-200, 80-180, 60-160 km/h — 0-60, 60-120, 50-110, 40-100 mph. Distance: quarter mile, eighth mile (with trap speed), 60 ft. Max speed and peak acceleration on every run. KEY FEATURES - 2% accuracy compared to professional chassis dynamometers - No OBD adapter or connection to your car required - Works with your phone's built-in sensors - External GPS available as an in-app purchase for pro-level precision with a compatible device (RaceBox Mini, Mini S, Micro): rolling start dyno, free phone mounting - Power correction norms: DIN, SAE, JIS, CEE, ISO — using real-time atmospheric pressure, temperature, and humidity - Interactive charts: pinch to zoom, tap for exact values - Export results as PNG image or shareable web link - Custom units: HP, CV, kW for power — Nm, ft-lb, mkg for torque — km/h, mph for speed - Works on phones and tablets PERFEXPERT PRO (optional subscription) - Custom logo on your results - Cloud backup of your results - CSV data export WHO USES PERFEXPERT? - Car enthusiasts who want to know their real HP and torque - Tuners and mechanics verifying ECU remaps, chiptuning, intake, exhaust, or turbo upgrades - Owners comparing before/after results of any modification - Drivers timing their 0-60 mph or 0-100 km/h acceleration - Anyone curious about their car's true performance IMPORTANT NOTES - Dyno mode requires a manual gearbox or an automatic with manual/sequential mode - For best results, use a flat, straight, horizontal road with no traffic - External GPS (in-app purchase) unlocks additional features with a compatible device (RaceBox Mini, Mini S, Micro): more reliable results, rolling start dyno (no need to stop before measuring), and free phone orientation Sample dyno and acceleration reports: https://app.perfexpert-app.com/results/featured FAQ and support: https://www.perfexpert-app.com/faq Join the PerfExpert community: https://www.facebook.com/groups/perfexpert/ Privacy Policy: https://www.perfexpert-app.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Record, analyze, and elevate your racing performance on any track worldwide. Whether you’re driving a car or riding a motorbike, LapTrophy delivers real-time lap timing, live tracking, and advanced analytics—all in one easy-to-use app. HIGHLIGHTS ∙ GPS-Powered Accuracy: Instantly measure lap and sector times with precise GPS data. ∙ Live Tracking & Leaderboards: Follow your friends on the track in real time, check live leaderboards, and never miss a split. ∙ Data-Driven Insights: Compare speed, acceleration, and braking zones to fine-tune your technique. ∙ Worldwide Coverage: Access thousands of tracks—or create your own—and keep pushing your limits wherever you go. ∙ Easy Sharing: Share session results, export your data as CSV/GPX, and showcase your best laps with friends. LAP & SECTOR TIMES ∙ Smart Finish Line Detection: No more manual triggers—LapTrophy automatically detects finish line crossings. ∙ Real-Time Updates: View instantaneous lap and sector times, plus voice notifications for hands-free feedback. ∙ ‘In-Pocket’ Recording: Record laps without holding your phone. Keep your focus on the road while the app does the work. ADVANCED TOOLS ∙ Precise motorcycle lean angle analysis, corner by corner ∙ Smart prediction of your lap time ∙ Customizable dashboard and recording screen LIVE TRACKING ∙ Stream Your Sessions: Broadcast your lap times in real time. ∙ Follow Any Track: Monitor current sessions around the world, locate other drivers, and join the action. FOR ALL OUTDOOR MOTORSPORTS ∙ Cars & Motorbikes: Whether you’re behind the wheel or on two wheels, LapTrophy has you covered. ∙ Vehicle Profiles: Save your favorite rides for quick setup and consistent data comparisons. EXPLORE TRACKS & EVENTS ∙ Global Track Library: Discover new circuits near you or worldwide. ∙ Fastest Laps Leaderboards: See how you stack up against the community’s best. ∙ Create & Share Tracks: Build custom track layouts and share them with fellow racers. ANALYZE & IMPROVE ∙ Advanced Telemetry: Review and compare detailed speed and acceleration data for each lap. ∙ Personal & Public Stats: Benchmark your performance against yourself and other LapTrophy users. SHARE YOUR PROGRESS ∙ Easy Sharing: Post your session highlights and fastest lap times on social media or messaging apps. ∙ Export Data: Save your sessions as CSV or GPX for further analysis or archiving. NO REGISTRATION REQUIRED ∙ Download & Drive: Enjoy all major features without creating an account. ∙ Privacy First: No email or password needed—just hit the track and race with peace of mind. Get ready to break personal records, challenge the leaderboard, and experience the thrill of real-time motorsport tracking. Download LapTrophy now and race smarter, faster, and safer! Terms of Use : https://www.laptrophy.com/terms Standard Apple Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/