The Most Popular Mobile Payment Apps

Doretha Clemons, Ph.D., MBA, PMP, has been a corporate I.T. executive and professor for 34 years. She is an adjunct professor at Connecticut State Colleges & Universities, Maryville University, and Indiana Wesleyan University. She is a Real Estate Investor and principal at Bruised Reed Housing Real Estate Trust and a State of Connecticut Home Improvement License holder. Learn about our Financial Review Board

Mobile payment apps like Apple Pay and Venmo have grown exponentially since launch. Users will find solace in their ease of use and exceptional security. Despite the power behind such names, a business model developed the original and most used mobile payments app, which was well-removed by the tech giants in Silicon Valley.

Apple Pay and PayPal’s Venmo are two of the leading mobile payment applications.

However, Starbucks has developed one of the most popular and most-used apps on the market.

The coffee company is seeing increased competition with the likes of Cash App and other mobile apps.

Payment app developers have worked hard to ensure that mobile payments are as secure, if not more, than physical cards.

Payment App Leader

Starbucks (SBUX) has a compelling story to tell about how your life will be better when you tap and pay instead of pulling out a card or even cash. The free Starbucks mobile payment app allows you to order on your way and then walk in (or drive-thru) and pick up your order without waiting in line. Their mobile payments app had nearly 22 million active users as of the end of 2020.1 The app was rolled out to all stores in the U.S. in 2011.2

Meanwhile, other merchants have been upgrading their credit card payment processing devices they use in order to enable more secure EMV technology, and many smartphones are ready for tap-and-pay use.

Popular Mobile Payment Services

There has been a surge in mobile payment services beyond Apple and Venmo. PayPal bought Braintree in 2013, which had purchased Venmo the year before. Meanwhile, there’s Zelle, Cash App, and Google Pay.

Many payment apps are default choices depending on which phone you have, and they work much the same. You download the free app, upload your credit or debit cards, and “tap to pay” with your phone at any retailer that accepts that service.

PayPal works the same way and with the same card reader if the merchant has signed up to accept PayPal payments. PayPal is not as widely available in brick-and-mortar stores.


Due to the ease of taking or cloning phone data, there remains one big question in consumers’ minds–how secure are mobile payments? It seems that the big players have spent a lot of time and effort making sure that mobile payments are more secure than using a physical card.

First of all, a merchant will never see your credit card number or the authorization code from the back of your card or even your name. And, when you make a purchase, instead of your credit card number being used, a one-time encrypted number is generated–a token–to authorize the purchase. It expires shortly afterward.

Even if your phone is lost or stolen, there are layers of protection. Mobile wallets are behind a lock screen, requiring a PIN or fingerprint authentication to use. So, access is restricted. What’s more, your credit or debit card numbers are not stored on the phone.

Finally, there are features that the companies urge you to activate in case you lose your phone: Android Pay users, for instance, are warned to turn on the Android Device Manager so that the phone can be located if it’s lost or stolen and locked remotely if needed. For Apple Pay, the Find My iPhone feature lets you suspend the mobile wallet remotely.

Slow Adoption in Western Culture

The American attitude is in sharp contrast to that of Chinese consumers, who have embraced cash-free living. Millions of Chinese consumers use mobile payments. They use their mobile phones to pay for taxis and meal delivery in Walmart stores and at mom-and-pop market stands. Alipay, owned by Alibaba, is China’s dominant mobile payment service.

In China and in other developing nations, where many have never used a traditional bank, many newly minted consumers are avoiding banks and substituting a mobile payment service. Alipay users can deposit their money in a money market account that pays the investor higher interest rates than traditional bank savings accounts.

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