Showing 21–40 of 1,000 ranked alternatives.
Sergii Nesterenko
Record and play calls offline
Record and play realistic sounds for , training, and scouting. Create custom call sequences with adjustable delays and loops. Supports background playback and screen lock. Works offline without internet connection.
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.
Sergii Nesterenko
Record and play animal calls
Record and play realistic calls for . Create custom call sequences with adjustable delays and loops. Supports background playback and screen lock. Includes buck grunts, doe bleats, and fawn distress sounds. Works offline without internet connection.
Alok Singh
Tap to speak, connect
Use your device as a live microphone to amplify your voice. Connect via Bluetooth, AirPlay, or cable to any . Tap the screen to activate or deactivate the audio output. Works in the background and when the screen is locked. No setup required.
Lirum Labs Technologies Inc.
Monitor performance and hardware details
Monitor performance with real-time CPU, memory, and battery usage tracking. View detailed hardware specifications and storage information. Run system tests, benchmark apps, and analyze network activity.
Companjen Apps B.V.
Test speaker output with steady tones
Test phone speaker performance by playing a steady tone. Assess sound clarity, resonance, and output consistency. Adjust volume and frequency settings for accurate evaluation. Save test results and compare audio quality across devices.
HyperHype UAB
Generate tones, test audio, customize frequencies
Generate pure tones, frequencies, and waveforms for and headphone testing. Customize frequency ranges and noise types. Perform audio quality tests and analyze sound output. Save and share test results.
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.
Sergii Nesterenko
Create custom call sequences
Create custom call sequences with realistic sounds. Set individual delays between calls and enable loop playback. Use preloaded barks, yips, and distress calls. Play audio offline and continue playback while screen is locked.
震 任
Calibrate watches with time signal
Calibrate radio-controlled watches or clocks by transmitting accurate time signals. Select from global stations including WWVB, JJY, BPC, MSF, and DCF77. Place the device near the iPhone/iPad speaker for manual reception and synchronization.
App All Day Pty Ltd
Record audio through speakers
Use iPhone as a microphone for speakers. Play songs for karaoke. Add voice filters and enable noise reduction. Unlock premium features with subscription. Share audio through connected devices. Adjust microphone settings for echo removal.
Tarika Sultana
Monitor and usage
Monitor usage and optimize settings to extend life. Analyze networks for signal strength and connected devices. Track storage space and system resources. Detect nearby Bluetooth devices. Manage background processes and view network traffic.
Wessley Roche
Scroll, customize, and display your message
Turn your iPhone or iPad into a scrolling . Display messages, flash jokes, or send cheers in public spaces. Customize text, colors, and scrolling speed. Share banners via social media or direct links.
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