Email us
Write to business@drenlab.com.
If your question is about your data, include your Support ID so we can find it.
Find your Support ID
Open Settings in the app. Your Support ID is at the bottom of the page.
Trouble signing in?
Signed in with email? On the sign-in screen, tap Continue with email, type your address and tap Forgot password?: we’ll email you a reset link.
Signed in with Apple or Google before? Use the same one again and your decks come back, on any device.
Manage or cancel your subscription
In the app, go to Settings → Subscription → Manage subscription. It opens your App Store or Google Play subscriptions, where you can change plan or cancel. Cancel at least 24 hours before your trial or current period ends to avoid the next charge.
New phone, or reinstalled the app? Tap Restore purchases in the same place. Refunds are handled by Apple or Google: reportaproblem.apple.com for the App Store, or your Google Play order history.
Your decks stay yours to study, even if you cancel.
Delete your data
- In the app, go to Settings → Delete account. This deletes your account, decks and progress, from your phone and from the cloud copy.
- To keep your account but start fresh, use Settings → Start over instead.
- Can’t open the app? See how to delete your account by email, and what is deleted and kept.
Report a wrong word
Open the word, then tap Report a mistake. You can add a comment if you like. Reports are used only to fix wrong words.
Curious what we store? Read the privacy policy.