Payments, prices and invoices

Last updated: 15 September 2026

Prices

Each plan is paid once. There is no subscription, no renewal and no hidden fee. Prices on this version of the site:

• Core: $37
• Plus: $67
• Max: $127

What each plan includes is in the pricing section. Under Decree-Law 138/90, the price you see is the final price, with all taxes included. VAT, when due, is included at the legal rate and never added at checkout. If the seller's activity is exempt from VAT under article 53 of the Portuguese VAT Code (Código do IVA), no VAT is charged and the invoice states the exemption.

Currency

This version of the site charges in US dollars (USD). The English site charges in US dollars; the Spanish and Portuguese sites in euros. If your card uses another currency, your bank converts the amount and may charge a conversion or foreign transaction fee. That fee comes from your bank, not from us. Exchange rates also move, so a refund may return a slightly different amount in your own currency.

How payment works

Card payments are processed by Stripe Payments Europe, Limited, based in Ireland, on the hosted Stripe Checkout page. Stripe is certified to the highest level of the payment card security standard (PCI DSS). Your card details go directly to Stripe: we never see or store your card number or security code.

• Your bank may ask you to confirm the payment in its app or with a code. This is strong customer authentication, a legal security step.
• If a payment fails, you are not charged and no contract is formed. You can try again or use another card.
• The charge appears on your statement as TOKKOACAD. If you do not recognise a charge with that name, write to support@tokkoacad.com before contacting your bank.

Receipts and invoices

Stripe emails a receipt as soon as the payment is confirmed. A Stripe receipt is not a tax invoice.

The legal invoice (fatura or fatura-recibo) is issued by the seller through the Portuguese Tax Authority's portal (Portal das Finanças) or through certified invoicing software. It is sent to your purchase email no later than the fifth working day after payment, as article 36 of the Código do IVA requires.

• If you entered a tax number at checkout, it appears on the invoice. Otherwise the invoice is issued without one, to a final consumer.
• If you need your name, company or tax number on it and did not enter them, write to support@tokkoacad.com as soon as possible, before the invoice is issued. Once issued, an invoice can only be corrected with a credit note and a new invoice.
• Refunds are documented with a credit note.

Price changes and errors

We may change prices or run promotions for future purchases. A change never affects what you have already paid. If a price is shown because of an obvious error, we will contact you and you can choose between paying the correct price or getting a full refund.

Duplicate charges and chargebacks

If you were charged twice for the same plan, write to us and we refund the duplicate in full. Before asking your bank to reverse a payment, please contact us: a refund through the 30-day guarantee is usually faster. While a bank reviews a chargeback, we may pause access to the lessons.

Refunds are covered on the refunds page, and how we handle payment data in the privacy policy.