Hum: Frequency Generator
Binaural Beats, Hz & Noise
About
Generate precise, synthesized tones, noise, and binaural beats for various uses. Layer sounds, set sleep timers, and enjoy background playback. Unlock unlimited mixes and presets with a Pro subscription.
What's New in Hum
1.0
September 8, 2026
Subscriptions & In-App Purchases
Yearly
7 days free, then unlimited everything
Developer apps
FAQ
What is Hum's short name?
Hum's short common name is Hum. This is derived from its full title, 'Hum: Frequency Generator'.
What sounds can Hum generate?
Hum can generate precise, synthesized tones across a wide frequency range (20 Hz to 20 kHz) with sine, square, triangle, and sawtooth waveforms. It also produces continuous white, pink, and brown noise, and binaural beats.
Does Hum have ads?
Hum does not contain advertisements. The app is free to use with optional in-app purchases for advanced features.
What are the benefits of Hum Pro?
Hum Pro offers unlimited layers in a mix, unlimited saved mixes, and access to every preset. This allows for more complex and personalized soundscapes.
How does the sleep timer work in Hum?
Hum's sleep timer fades out audio over 5 to 60 minutes. It is scheduled on the audio clock for accuracy, even when the phone is locked.
Can Hum play audio in the background?
Yes, Hum supports background playback, allowing it to continue playing when you leave the app or lock your screen. Lock screen and Control Center controls are also supported.
What are the subscription options for Hum Pro?
Hum Pro is available via monthly ($4.99/month) or yearly ($29.99/year) subscriptions. The yearly plan includes a 7-day free trial. Subscriptions auto-renew unless canceled at least 24 hours prior to the end of the period.
What devices does Hum support?
Hum is currently supported on iPhone devices.
