Support the project

apptienganh is free for everyone. If it helps you or your child, you can support it so I can keep it running and add more content.

Support is completely voluntary: it unlocks no features, is not a purchase and is not refundable.

Bank transfer in Vietnam

Open your banking app, scan the code and enter any amount.

Need custom flashcards?

I make custom card sets or features on request, for a fee. Get in touch on the Contact.