Apps Like Velocity Lab Pro for iPhone and iPad
Calculate vehicle horsepower instantly
Calculate vehicle horsepower, 1/4 and 1/8 mile trap speed, and times using phone sensors. View detailed performance data. Export results and compare against benchmarks. Set performance goals and track progress over time.
Velocity Lab Pro screenshots
Ranked alternatives
Showing 161–180 of 1,000 ranked alternatives.
Duct Calculator
Pheinex, LLC
Calculate size and performance
Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.
Electrical Calculator Plus
Calc Hub, LLC
Calculate voltage, current, and power
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
Rassel - Pocket shaker
Klevgrand Produkter AB
Shake to play percussion instruments
Turn your iPhone into a percussion instrument by shaking it. Choose from four sounds: Egg, , Tambourine, and Bells. Swipe to switch instruments. The uses a gyroscope to map movement and adjust audio based on shaking intensity.
Unit Converter ++
Nirav Patel
Convert units between length, weight, temperature,
Convert units of length, weight, temperature, volume, and speed. Switch between miles, kilometers, Celsius, Fahrenheit, gallons, liters, and more. Calculate conversions instantly and save frequently used units.
TDI Tuning
TDI TUNING LTD
Adjust engine settings remotely
Connect to a CRTD4 Bluetooth or CRTD4 SENT system to adjust engine performance settings. Modify power, torque, and economy parameters directly from the vehicle.
FORScan Lite - for Ford, Mazda
Aleksei Savin
Scan vehicle codes and diagnose issues
Read vehicle diagnostic codes and monitor real-time data. Connect via OBDLink MX+, vLinker FS Bluetooth, or ELM327-compatible adapters. Supports Ford, Lincoln, Mercury vehicles from 1996-2022MY.
Viola Tuner Basic
Pedro Daniel Macalupu Cumpen
Tune with precise frequency display
Adjust strings to precise frequencies with real-time Hz display. Access A4 temperaments between 392Hz and 466Hz. Use a virtual tuning fork and advanced settings for fine-tuning. Receive visual feedback via LED indicator and lit string display.
Dyno Chart - OBD II Engine Performance Tool
K SOLUTION LLC
Track data and build charts
Vehicle monitoring that connects via OBD II to collect sensor data and display max power and torque versus RPM. Users can build and view charts using compatible Wi-Fi or Bluetooth Low Energy adapters.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.