Clack Lab

Privacy Policy

Last updated: July 4, 2026

Clack Lab is an iPhone app for analyzing and comparing mechanical keyboard sound. Clack Lab works locally on your device and does not send your microphone audio, measurements, or saved sessions to Cognerva.

Microphone access

Clack Lab uses the iPhone microphone only while you run an acoustic measurement. Audio is analyzed in memory on-device. Clack Lab does not save raw microphone audio and does not upload it to Cognerva or any third party.

Saved session data

When you save a session, Clack Lab stores the session name, optional keyboard and switch names, optional notes, acoustic measurements, and spectrum data in the app's local storage on your device.

Exports and sharing

Clack Lab Pro can create comparison images and CSV files on-device. These files are passed to the standard iOS share sheet only after you choose to export or share them. The destination you select has its own privacy practices.

Purchases

Clack Lab Pro is purchased through Apple's App Store. Apple processes the purchase and provides Clack Lab with entitlement status. Cognerva does not receive your payment card details.

No accounts, analytics, ads, or tracking

Clack Lab does not require an account and does not include advertising, analytics, or third-party tracking SDKs. Cognerva does not collect personal data through the app.

Your control

• You can delete saved sessions inside the app.
• You can revoke microphone access at any time in iOS Settings.
• Deleting Clack Lab removes its locally stored session data from the device.
• You decide whether and where exported files are shared.

Contact

Privacy questions can be sent to privacy@cognerva.com. Support requests can be sent to support@cognerva.com.