Apps Like HD Test Patterns for iPhone and iPad
Ranked alternatives
Showing 301–320 of 1,000 ranked alternatives.
LightPDF Scanner: Scan PDF
Wangxu Technology Co., Ltd
Documents and convert to PDF
Convert physical documents to high-quality PDFs by scanning with the camera. Correct image distortion using smart calibration. Export scans and share files directly.
TestCard ProHD 4k
J.S. Technology Ltd.
Calibrate audio and visual home elements.
The app calibrates screens for consistent media representation. It includes an SPL meter for surround sound setup and an audio-visual synchronization test for lip-sync issues.
Alert Position
Magnitude LLC
Motorcycle lean angle alert system.
The app displays the motorcycle's lean angle with audio and visual alerts. It records and shares locations where the rider reached their limit, allowing for later review or sharing with others.
Bubble Level & Ruler Measure
KuXun Technology Co., Ltd.
Detect inclination
Detect inclination using a digital . angles and ensure surfaces are . Includes a straight and 2D for precise measurements. Place device against surfaces to check alignment.
Touch Tuner
Kawai Musical Instruments Manufacturing Co., Ltd.
Intuitive operation elegant customisable interface.
The app offers a customizable interface with real-time waveform display and strobe illumination. It provides chromatic tuning with adjustable sensitivity and multiple temperament options.
iAudioTool
Julian Bunn
Analyze and measure audio signals
Measure sound levels with SPL meter and RT60 analysis for room reverberation. Analyze frequency spectra using spectrogram and octave modes. nd test audio signals with white/pink noise, sine, and sweep options.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.