Racing Buddy vs G

Turn your iPhone into a motorsport companion with Racing Buddy. Monitor live driving data on a focused racing dashboard, including GPS speed, heading, altitude, G-force, and signal quality. Measure launch performance with countdown, lights-out, or movement-triggered starts, then review your acceleration and distance results. Create or import custom tracks, position sector markers, and record lap and sector times during track sessions. Racing Buddy keeps your session history on your device, making it easy to compare runs and follow your progress. Build a personal garage with cars or motorcycles, select the vehicle you are driving, and view your recorded distance. Metric and imperial units are supported throughout the app. Key features: - Live GPS speed, heading, altitude, and signal status - Real-time G-force display - 0-100 km/h, 0-200 km/h, 100-200 km/h, 200 m, and 400 m launch timing - Saved launch results and lap history - Custom track drawing, importing, and sector placement - Multiple race-start modes - Vehicle profiles for cars and motorcycles - Metric and imperial units - On-device data storage Racing Buddy is designed for responsible use at circuits and other controlled motorsport venues. Do not interact with the app while driving, and always follow local laws and safety requirements.

G-Box Dyno turns your iPhone into a focused vehicle-performance measurement tool. Measure 0-60, 0-100, 0-160, 0-200, 80-120 and 100-200 acceleration. Run a single-gear Dyno pull to estimate power and torque, save high-rate telemetry, and compare repeat runs on clear graphs. CHOOSE THE BEST SENSOR SOURCE Use iPhone GPS and motion sensors, a compatible Bluetooth or Wi-Fi OBD-II adapter, or an external GPS receiver. G-Box Dyno automatically prioritizes a connected high-rate source and records source quality with every run. BUILT FOR REPEATABLE TESTING - Vehicle profiles with mass and gear calibration - Power and torque curves versus engine RPM - Automatic shift detection and useful run trimming - Atmospheric data for consistent comparisons - CSV telemetry and saved run history - Portrait and landscape analysis views - Optional rear-camera video with synchronized acceleration overlays FREE TO START Create one vehicle and complete three measurements with the standard 0-60 and 0-100 presets. Upgrade once to G-Box Dyno Pro for unlimited measurements, vehicles, advanced acceleration ranges, comparisons and video overlays. No subscription. No ads. SAFETY AND MEASUREMENT NOTICE Use only on a closed course or private road where legal. Configure the app while parked, mount iPhone securely, and never interact with the screen while driving. Performance results are estimates and are not certified dynamometer measurements. Accuracy depends on sensor quality, calibration, vehicle data, road grade, traction and weather.