It depends on which platform you are choosing. You can check the price of modules from:

https://www.knowband.com/prestashop-mobile-app-builder

https://www.knowband.com/opencart-mobile-app-builder

https://www.knowband.com/magento-mobile-app-builder

https://www.knowband.com/magento-2-mobile-app-builder

https://www.knowband.com/woocommerce-mobile-app-builder

For more detailed info, drop your message at support@knowband.com. Our pro-active support team will assist you with everything.