Choosing Stripe, PayPal, or Braintree for app payments? This guide covers essential factors, challenges, and costs to help you make the right choice. A payment gateway is essential for any business eyeing the mobile app market. Secure transmission of sensitive cardholder data is the responsibility of payment gateways, which are vital for facilitating online payments. Which is the best payment service? Well, it depends. There are multiple options to select from, including PayPal, Braintree