Payment Policy
Last Updated: August 26, 2026
1. Payment Methods
- Bank transfer QR: scan the QR code with any banking app; the system confirms automatically once the transfer arrives
- Momo wallet: pay via the Momo e-wallet
- VISA / Mastercard: international card payments
- Apple App Store / Google Play: for in-app purchases on mobile, payment is handled by Apple / Google
2. How to Pay on the Web
- Sign in to your OpenQuiz account
- Go to the Pricing page and pick a plan
- Choose a payment method (QR, Momo or card)
- Complete the payment following the on-screen instructions
- Your account is upgraded automatically and immediately after a successful payment
3. Notes for QR Bank Transfers
- Do not edit the pre-filled transfer note — the system uses it for automatic reconciliation
- Transfer the exact amount shown on screen
- If your account isn't upgraded within 10 minutes, contact [email protected] with a screenshot of the transaction
4. Duplicate or Unauthorized Charges
If you were charged multiple times by mistake or notice an unauthorized charge, contact [email protected] immediately. We will investigate and refund duplicate or unauthorized charges promptly, regardless of our standard refund conditions.