Apps Like HD Test Patterns for iPhone and iPad
Ranked alternatives
Showing 121–140 of 1,000 ranked alternatives.
Violin Tuner Professional
Pedro Daniel Macalupu Cumpen
Tune with precise frequency display
Tune strings with real-time frequency display in Hz. Calibrate to multiple A frequencies. Load tuning instantly for quick adjustments. Provides visual feedback with LED indicators. Offers intuitive interface for easy use.
MG Flasher
JR Auto Performance Inc.
Flash ECU with ENET Wi-Fi
Allows users to flash vehicle ECUs via OBD using ENET Wi-Fi. It enables custom performance mods, exhaust settings, cooling adjustments, and torque options. Users can unlock the ECU with initial flash taking 4-6 minutes.
Voice Recorder for dropbox
Hong Nguyen
Record, save, and share memos
Record notes with high-quality audio at 8-41.1KHz sample rate. Save recordings as memos. Share files directly. Features include simple interface, instant start, and no additional requirements.
iOBD2
Shenzhen Yunjia Intelligence Technology Co., Ltd.
Check engine data and diagnose issues
Read engine data and check vehicle diagnostics. Monitor real-time metrics like fuel consumption, torque, and acceleration. Identify issues and share problem details via social media for assistance.
Shooter: Ballistic Calculator
Kennedy Development Group, LLC
Track shots, save ammo data, import weather
Calculate trajectories for firearms using precise ballistics data. Input and save firearm and ammunition details for quick access. Integrate with Kestrel and WeatherFlow devices via Bluetooth for atmospheric data.
OBD Connect
Alphabit Software Inc.
Track car performance and fuel economy
Monitor vehicle performance with real-time gauges and graphs. View fuel economy data and track driving patterns. Access the on-board ECU to troubleshoot malfunctions. Receive alerts for potential issues and save money on fuel.
Guitar Tuner - Stringo
TINY BOOM LIMITED
Create and share drum beats
Create and customize music with drum loops across 15 genres. Tune instruments using a precise . Record and edit audio. Share tracks directly. Sync with other devices. Adjust effects and mix sounds.
RTA
Andrew Smith
Real time audio frequency analyzer.
The app provides acoustical analysis for iOS devices. It offers octave and 1/3 octave modes with selectable decay times, Peak Hold, and true linear Average mode.
Light Spectrometer Wavelength
Contechity AB
Measure , display and frequency
Measure spectrum to determine dominant in nanometers, frequency in terahertz, and period length in femtoseconds. Analyze sources to identify primary color wavelengths and associated properties.
SoundMeter X
Faber Acoustical, LLC
Record sound, log levels, analyze spectra
Measures sound levels and logs data as a noise dosimeter. It functions as a spectrum analyzer, signal generator, and multi-channel recorder. Users can calibrate audio inputs and select input paths.
ECRI Vehicle Calibrator
Connections Design, LLC
View calibrations, write new ones, track tire
Connect to your via wireless device to view current calibrations and update them. Use phone GPS to set tire size and speedometer calibrations. Save calibration history per . Read and clear trouble codes from specific modules.
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