Clef privacy & data

Apple verifies you and gives Clef a stable Apple user identifier

if you give an email address, we use it to sign you in

We do receive purchase information, such as the product purchased, transaction identifiers, dates, price and currency, and subscription status.

Pseudonymous usage analytics (linked to a random install ID) are on by default

RevenueCat's SDK sends app and operating-system versions, device model, language preferences, App Store country, and Apple's vendor device identifier (IDFV) with service requests.

PostHog events and its pseudonymous profile also carry your approximate country from your App Store region

only to save your place and to get practice reminders and tips if you choose

We use this information to operate purchases and understand our own subscription offers.

We use these records only to count the purchases each campaign and channel brought.

Unconfirmed addresses are deleted after 30 days.

We keep your email until you unsubscribe.

The website keeps first-touch attribution in your browser's localStorage for up to 90 days

which stores the data on servers in the United States

Settings > Account > Delete account removes the account and the synced practice progress from our server.

You can ask us to access, correct, or delete your email-related records using the contact details below.

For access, correction, or deletion requests concerning purchase and offer records processed through RevenueCat

The legal basis for these emails is your consent, which you can withdraw at any time without affecting the app.

Clef does not receive your card details, use ad networks, or sell your data.