Cardknox Payments for iOS

The Cardknox Payments App is the easiest way to process credit and debit card payments anytime and anywhere. Key-in card details, capture card info through your camera, and send customer email receipts all with the click of a button. Transaction data syncs with your Cardknox Merchant Portal account so you can track sales and reports via your web browser. All the Tools You Need to Accept Payments

Accept Visa, Mastercard, Discover, and American Express cards

Send email receipts

Key-in transaction amount, sales tax, invoice number, billing info, and shipping info

Capture credit card details through your camera

Support for signature capture

Apply full or partial refunds

Void pending transactions

View and Manage Transaction Data in Your Cardknox Merchant Portal Account

All payment data syncs with your browser-based Cardknox Merchant Portal account

View batch summaries, generate custom reports, locate transactions, and much more

Secure and PCI-Compliant

Cardknox utilizes advanced encryption technology to keep payment data secure and in compliance with PCI security standards

White-Glove Customer Service

Have any questions? Cardknox customer service is just a quick call or email away

The Lowest Rates

The Cardknox app is available for free with your Cardknox processing account

Choose from a simple flat-rate pricing option or custom pricing

The most competitive rates, no matter what.