Love the app
Love the app need to update cards some gas stations give me trouble
Best App Ever
Best Banking App on the internet.
So much easier to use!
This is much more intuitive to use. Clean and simple.
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💰 Finance
Free
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About
Manage your finances on the go with this secure and fast mobile banking app. Set up alerts, make payments, transfer funds, deposit checks remotely, and find nearby branches and ATMs. Secure your account with passcode or biometrics.
✓Set up balance alerts
✓Make payments to companies and friends
✓Transfer money between accounts
✓Deposit checks with photos
✓View and save monthly statements
✓Find branches and ATMs
✓Secure account with passcode/biometrics
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What's New in KeyMobile FSB
3.30.2
January 25, 2026
Version 3.30.2 • Bug fixes and performance improvements
User reviews
Developer apps
FAQ
What can I do with KeyMobile FSB?
KeyMobile FSB allows you to manage your finances by setting up balance alerts, making payments to companies and friends, transferring money between your accounts, depositing checks by taking pictures, viewing and saving monthly statements, and finding nearby branches and ATMs. It also offers account security features like passcodes and biometrics.
How do I get started with KeyMobile FSB?
To access KeyMobile FSB, you must be an existing First Southern Bank online banking customer. If you are not yet an online banking customer, you will need to fill out an application at your local branch to sign up.
Is KeyMobile FSB free to use?
The app itself is free to download and use. However, connectivity and usage rates may apply, so it's recommended to contact your wireless service provider for more details on potential charges.
What devices is KeyMobile FSB compatible with?
The app supports security features like biometrics on supported devices, suggesting compatibility with a range of modern smartphones. For specific compatibility details, it's best to check the app store listing for your device.
Can I deposit checks using KeyMobile FSB?
Yes, you can deposit checks quickly and easily by simply taking a picture of the front and back of the check through the app. This feature helps you manage your deposits without needing to visit a branch.
