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Mobile Banking

"Your mobile app is excellent!"

Millenial businesswoman smiling confidently with cityscape background Rita P.
  • Fast

    Skip the line at ATMs and branches

  • Friendly

    Clean, intuitive design

Everything at your fingertips

Access all of your financial needs with just a tap or a swipe. Our free mobile app for both iPhone and Android allows you bank on the go. All you need is data or a Wifi connection.

A little tech goes a long way

Our mobile app has sleek, user-friendly navigation and lets you do almost anything, from checking your balance to paying your bills.

  1. 1

    Deposit money

    Depositing money just got much, much easier. Take a picture of your check with your mobile device, and then upload it to the app to get it instantly deposited.

  2. 2

    Transfer money

    Pay bills for free, or transfer money to and from your Arsenal accounts, accounts at other financial institutions – or to friends with Popmoney Mobile.

  3. 3

    Track money

    View your account balance anytime, from anywhere. You can even view your balance without logging in if you enable the Quick Balance feature.

Free to download

You can download the app for iPhone or Android right now.


Yes, mobile banking has the same security features as online banking. To remain safe while using mobile banking, never access your account from an unsecured Wifi connection.
Yes. Access to mobile banking is contingent upon having online banking established with your Arsenal accounts. If you do not already have online banking enabled, you can do so by calling us during normal business hours at 314.962.6363 (or 618.239.6363 for Illinois members; 1.800.719.6363 if you are outside of the St. Louis area) and press option 6, then 2.
Yes. By setting up a cross-account agreement, you can transfer money, view balances, check transaction history and request transfers from linked accounts – all from one online banking login. The user with access to your account can even make deposits using mobile check deposit on the Arsenal app. To set up account access for another user, the account owner of both the sending account and the recipient account must sign a form for the cross-account relationship to be established. To learn more, contact us or start a live chat.

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Additional features

There’s even more you can do with Arsenal and your mobile device. Here’s the breakdown.

  • Alerts and Controls

    Easily set up alerts for your debit card and alerts and controls for your credit cards. Members can receive text and email notifications for specific activity, such as gas purchases, international purchases, purchases over a certain dollar amount, transactions taking place out of designated times and much more.

  • Mobile Payments

    Use Apple Pay®, Google Pay® or Samsung Pay® to set up your Arsenal debit or credit card for mobile payments. Simply swipe your device at participating retailers to make purchases quickly and conveniently.

Free to download