Apps Like SWLtools for iPhone and iPad
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Ranked alternatives
Showing 281–300 of 1,000 ranked alternatives.

Frequency Generator: Hz Waves
ORIOL NADAL SERRA
Generate tones, test speakers, eject water
Udio tones across 20 Hz to 20 kHz for testing, tuning, or experimentation. Test speaker performance for distortion or imbalance. Clean muffled speakers using the built-in speaker cleaner tool.





Decibel Meter dB Spectrum
Ahmet Giray Ucar
Measure noise levels in real time
Measure sound levels with precise readings from 30 to 130 dBA. Use A, B, C, Z, and ITU-R 468 frequency filters. Adjust time weighting settings including SLOW, FAST, and IMPULSE. Display real-time data with clear visual indicators.



Waver: Data Over Sound
Georgi Gerganov
Send messages via waves
Send and receive text messages using waves between nearby devices. Utilize audible or ultrasound communication without internet. Messages are transmitted through and received by allowing microphone access.


ToneGen Audio Tone Generator
NCH Software
Generate audio test tones and sweeps
The app generates sine waves, square waves, triangular waveforms, saw tooth waveforms, and impulse sound waves. It supports frequencies from 1Hz to 22kHz and can generate up to 16 tones simultaneously.

Airfoil Speakers Touch
Rogue Amoeba Software, Inc.
Send audio from computer to device.
The app allows users to send audio from a Mac or PC to an iOS device. Audio from various applications and web sources can be transmitted over a local Wi-Fi network.




Feld Hellschreiber
Black Cat Systems
Transmit text via sound waves.
The app decodes and transmits Feld Hell messages. Decoded text scrolls across the display, and users can type messages or send canned text.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.