Tone Generator vs AudioEngineerToolkit

Tone Generator generates sine, square, sawtooth and triangle tone at a large frequency range. Frequency of the tones can be adjusted by swiping up or down on the screen. Tone Generator has a built-in feature to quickly sweep frequency of a sine tone to test your hearing. This feature is purely for fun and should not be used for any diagnostics. Tone Generator can also help remove dust and water from device's speakerphone by playing tones at various frequencies.

A complete set of offline calculators for audio engineers — on stage, in the studio, no internet required. No login, no ads, no tracking. ■ Electrical · Ohm's Law calculator · Power calculator · Speaker impedance (series/parallel) · dB ↔ power ratio converter ■ Delay · Distance ↔ Time ↔ Phase · Haas Effect zone finder · Multi-zone speaker delay alignment · BPM-based reverb pre-delay ■ Acoustics · Frequency ↔ Period ↔ Wavelength ↔ Quarter-wavelength · Octave band calculator · Distance ↔ time delay · Room volume calculator · Room mode calculator · RT60 reverberation time ■ Tempo & Pitch · Tap tempo (BPM) finder · Note length calculator · Playback speed ↔ pitch converter (turntable-style) · Loop BPM finder · Bar duration calculator · Sample rate / buffer size latency calculator Keep your go-to calculators in the Favorites tab and open them in one tap. Available in Korean, English, Japanese, Spanish, Simplified Chinese, German, Brazilian Portuguese and French. Runs on iPhone, iPad and Mac.