Hear & Hum Privacy Policy
The short version
Hear & Hum does not collect, transmit, or sell any of your data. Everything you do in the app stays on your device.
What the app does
Hear & Hum is a hands-free ear trainer. It plays a musical prompt, pauses so you can answer out loud, then a voice tells you the answer. Tones are synthesized on your device and the voice is your iPhone’s built-in text-to-speech. All practice drills work offline — no screen, no taps, no instrument required. Grading is done by you — with your voice or a headphone click — or, if you turn it on, by the app listening to your humming (see Microphone below).
Data we collect
None. Hear & Hum has no accounts, no sign-in, no analytics, no advertising, and no third-party software. The app never sends data to WiZBang Labs LLC or to anyone else.
Microphone
Hear & Hum can use your microphone, only if you turn it on. Two features use it, and both are off by default: “Score my humming” in Sing Back, and Pitch Mirror. When either is on, the microphone listens only while you are humming for a score or using Pitch Mirror. Your voice is analyzed on your device in real time to detect pitch — no audio is recorded, saved, or sent anywhere, and no audio ever leaves your device. Turning the features off stops all microphone use, and you can revoke microphone permission at any time in iOS Settings.
Notifications
If you turn on the daily reminder, the app schedules a local notification on your device. The reminder is created and delivered entirely on your device — no data is sent to a server.
On-device storage
Your practice stats (per-item accuracy, level progress, total reps, streaks) and settings are stored in the app’s private storage on your device. Exporting your stats as a CSV uses the standard iOS share sheet and is always initiated by you. Deleting the app removes all of its data.
Purchases
The one-time unlock is processed entirely by Apple through the App Store. WiZBang Labs LLC never sees or stores your payment information.
Children
Because the app collects no data, there is nothing to collect from children either.
Changes to this policy
If this policy changes, the updated version will be posted at this address with a new effective date.
Contact
WiZBang Labs LLC
wizbanglabsllc@outlook.com