Do I need an account?
No. You can use Knoggin in guest mode. Signing in with Apple is optional and helps associate supported account features with you.
Knoggin support
How can we help?
For app problems, content corrections, privacy questions, or account requests, contact us directly.
Email supportFrequently asked questions
Where is my progress stored?
Learning progress, preferences, reminders, and local activity history are stored on your device. Removing the app may remove that local data.
How do I change daily reminders?
Open Profile in Knoggin and use the reminder controls. You can also manage notification permission in iOS Settings.
A fact or question needs correcting. What should I do?
Email support with the card title, the wording you saw, and the correction you recommend. Source details are especially helpful.
Account requests
Delete your Knoggin account
Send a deletion request from the email associated with your account. We will verify the request, delete the account and associated feedback records, and confirm completion. Local data can be removed by deleting the app from your device.