Last updated: July 19, 2026
Short version: Sound Machine does not collect, record, store, or transmit any personal data. Everything happens right on your device. There are no accounts, no ads, no analytics, and no trackers.
Sound Machine is a light and sound toy for play and creativity. It makes tones and beats using live sound synthesis (there are no audio files or samples), and it paints visuals on a canvas that react to your touch, your voice, or your movement. It is meant for general audiences and is safe for all ages, with no objectionable content.
The Android version is a packaged copy of the web app running inside a WebView. It bundles the app on your device and runs fully offline. It makes no network calls while you play.
Sound Machine does its work locally, in real time, on the device in your hands. It does not create a profile of you, and it does not phone home. Because the app runs offline, there is no server receiving your activity, and there is nothing for us to see.
We do not collect, record, store, or transmit any personal data. Full stop.
Two features can use your microphone if you allow it:
In both cases the audio is analyzed live, on your device, moment to moment, and then it is gone. Nothing from the microphone is ever recorded, saved, uploaded, or shared. If you never grant microphone access, these features simply stay off and the rest of the app works fine. You can revoke the permission at any time in your device settings.
Two features can use your camera if you allow it:
In both features the camera view is processed live, on your device, moment to moment. No video, no frames, and no images are ever recorded, saved, uploaded, or shared. If you never grant camera access, these features stay off and everything else keeps working. You can revoke the permission at any time in your device settings.
Sound Machine keeps a few tiny preferences in your device's local storage so the app feels right each time you open it:
These flags stay on your device. They are not personal information, they are not sent anywhere, and clearing the app's data removes them.
Sound Machine is free to use. There is a single optional one-time purchase, Sound Machine Pro ($5 USD on the website), that unlocks 25 extra visualizers, 3 Journey stories, 10 extra instrument voices, 6 extra color themes, and turns off the gentle upgrade reminder.
On the website, purchases are processed by Gumroad, Inc., an independent payment platform. Gumroad and its payment processors handle your card or bank details under Gumroad's own privacy policy; we never see or store them. Gumroad does share with us the email address you used and a record of your purchase. We use that only to deliver your unlock code and to help you with support or refunds; we do not use it for marketing and we never sell or share it.
In the Android app, purchases are handled by Google Play Billing under Google's own terms, and we never see your payment details there either. In both cases, the only thing the app itself records is the on-device flag that remembers Pro is unlocked.
There are no advertising SDKs, no analytics SDKs, and no third-party trackers in Sound Machine. There is no sign up and no login. We do not build advertising profiles, and there is no data being sold or shared, because none is collected in the first place.
Sound Machine is suitable for everyone and contains no objectionable content. It is not specifically directed at children, but it is safe for all ages. Since the app collects no personal data from anyone, it collects no personal data from children either.
If this policy ever changes, we will update the text here and revise the "Last updated" date at the top. Meaningful changes will be reflected on this page, which is linked from the app and the store listing.
Questions about privacy or about Sound Machine are welcome. Reach the developer, HalalHelper LLC DBA Omerica Studios, at omer@halalhelper.com.