Support

Last updated 8 November 2026

What's free and what's Pro

Free: the tone generator, binaural and isochronic beats, 40 Hz clicks, the analyzer and mic measurement, the frequency libraries, the Chladni plate, the Rain soundscape, timers, the breathing guides and share links.

Pro is a one-time purchase, not a subscription. It unlocks dreamscapes, the other soundscapes (waves, wind, droplets, colored noise), the live visual scenes (including the liquid dish), saving your own sessions and templates, and the guided programs (Wind-Down, Focus Builder, Calm Week) after their free first step.

Buying, restoring and refunds

• Bought in the iPhone app: Apple handles the payment. On a new iPhone, or after reinstalling, open Get Pro and tap Restore Purchases while signed in with the same Apple Account. Refunds for purchases made through Apple go through Apple at reportaproblem.apple.com.
• Bought on the website: Lemon Squeezy handles the payment and emails your license key. Enter it on the website under Get Pro → I have a key (the iPhone app sells and restores Pro through Apple only). Lost your key, or want a refund within 14 days? Email us with your order number. See Terms & refunds.

Common questions

• Binaural beats sound like one plain tone. They need headphones: each ear gets a slightly different tone. On a speaker, use isochronic beats instead.
• How do I check the frequency? Open Advanced → Measure. With the mic off, the analyzer measures the app's own tone. Tap Listen to measure what the microphone hears: the phone's speaker, a tuning fork, a singing bowl or your voice.
• Is the microphone recording me? No. It is on only while you are listening in Measure. The sound is analysed on your phone and never recorded, stored or sent anywhere. See Privacy.
• Does it keep playing with the screen locked? Yes, in the iPhone app. Use the lock-screen controls to pause.
• Does it work offline? Yes, everything runs on your phone. In the iPhone app everything is built in. On the website, the two extra "trip" and "flow" visuals load their engine from the internet the first time, so they need a connection once.
• No sound? Turn the volume up with the side buttons, check that headphones or a Bluetooth speaker are connected the way you expect, and try Stop then Play.

Health and safety

Frequency Lab is a sound and visual tool, not a medical device. It does not diagnose, treat or prevent anything. Keep the volume comfortable, don't use sleep or beat sessions while driving, and skip the visual scenes if you are sensitive to flashing light.

Contact

Frequency Lab is made by Michael Iwaniec, Illinois, USA. Email: thefrequencylabofficial@gmail.com.