Showing 21–40 of 1,000 ranked alternatives.
Daniel Kiefer
On demand
A with three modes: torch, light, and strobe. Adjust brightness manually or automatically. Lock the screen to prevent accidental closure. Features quick startup and high-quality graphics for older iOS devices.
Ultrafine, Lda
Record levels and track noise trends
Measure and record levels with precision using A, C, and Z frequency weighting. Track levels in real time. Log and analyze data for environmental monitoring or equipment calibration. Export measurements and set alerts for noise thresholds.
Takuji Matsugaki
Analyze sound, vibration, and magnetic fields
Analyze sound with FFT, RTA, and spectrogram views. Display vibration FFT and scope measurements. Measure magnetic field with scope and RMS. Adjust settings and customize analysis parameters. Export data and view real-time waveforms.
Pedro Daniel Macalupu Cumpen
Tune strings with visual feedback
Tune strings with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork feature and advanced settings via in- purchase. LED indicator highlights tuned strings. Supports standard and drop D tunings.
Pedro Daniel Macalupu Cumpen
Tune mandolins with precise Hz frequency
Tune mandolins with precise Hz frequency detection. Access library, tuning fork, and advanced tools. Detect tuning quickly with high sensitivity. LED indicator shows string status. Strings light up when in tune. Works on iPhone and iPad.
Changsha Shenguangyuan Technology Co., Ltd.
Light, magnify, and flash on demand
Flashlight provides one-touch activation for bright illumination. Includes multiple flash modes for different lighting needs. Features a function for close-up viewing. Offers adjustable brightness settings and timer options for extended use.
Rounding Squares BV
Measure EMF levels and track exposure
Detect electromagnetic fields in real time using your phone's sensors. Identify risk zones in workspaces, bedrooms, and living areas. Measure EMF levels from devices like computers, fridges, and phones.
Alexander Rylskov
Share photos with tags and locations
Share content with customizable captions, tags, and location details. Include media from gallery or library. Schedule posts and receive notifications. Search by tags and manage media in an pool. Add tags from comments automatically.
燕辉 冯
Measure noise levels with your iPhone
Measure sound levels using iPhone's microphone. Display readings in real time. Log noise data and view historical trends. Set custom volume alerts. Share measurements via email or social media.
Pedro Daniel Macalupu Cumpen
Tune with precise frequency display
Tune with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork and advanced settings via in- purchase. LED indicator lights up tuned strings automatically. Supports standard and drop D tunings.
An-Che Lee
Generate tones with precise frequency
Udio tones with customizable frequency settings from 15Hz to 22KHz. Choose between sine, square, sawtooth, and triangle waveforms. Create and save custom presets. Control playback from notification drawer, lock screen, or headset buttons.
Loop-Sessions.LLC.
Analyze and display waveform
Real-time analysis displays waveform and amplitude simultaneously. Users can switch between portrait and landscape modes. Options to configure waveform and display. Adjustable FFT size and window function for precise frequency analysis.
Pedro Daniel Macalupu Cumpen
Tune with precise frequency display
Tune guitars with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork and advanced settings via in- purchase. LED indicator lights up tuned strings automatically. Supports standard and drop D tunings.
Hanna Molenaar
Expel , generate tones, test sound, measure
Use sound waves to remove from speakers. Generate custom tones with adjustable frequencies and waveform shapes. Repel pests using specific sound frequencies. Test stereo sound output and measure ambient noise levels.
Thomas Gruber
Generate tones, adjust frequencies, save presets
Nd play test tones including sine, rectangular, triangular, and sawtooth waves. Create and play frequency sweep tones in ascending and descending directions. Adjust frequency, amplitude, and duration settings.
Unicom TOV
Measure noise, display decibels, show reference
Measures environmental noise and displays decibel values in real time. Shows current noise reference and min/avg/max dB levels. Displays dB as a gauge and graph line. Saves measured records for later review.
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