Free

Details

  • Released
  • Updated
  • February 9, 2020
  • July 16, 2026

Features

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About

Manage your finances on the go with this mobile banking app. View account balances and transactions, transfer funds, pay bills, and deposit checks remotely. Securely access your accounts with features like fingerprint login and temporary card restrictions.

View account balances and activity
Transfer funds between accounts
Schedule and pay bills
Deposit checks via photo
Temporarily restrict debit cards
Fingerprint login
Find nearby branches and ATMs
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What's New in Grundy Bank

26.1.30

July 16, 2026

We are continually releasing new updates to further improve your mobile banking experience. This version includes user interface improvements, security updates and bug fixes. Please be sure to turn on automatic updates to make sure that your app is always up to date.

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User reviews

Nice…When It Works

This is app is fine for banking…but only when it works. It’s getting ridiculous the amount of times it’s down and “unable to verify” my account details to sign in. Worse, when it goes down, I can’t access my funds. My card gets rejected and I can’t use an ATM. Grundy needs to get a more reliable app server. This is going beyond ridiculous.
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Grundy bank

Great service

Can’t enroll

When I put in my information to enroll it just goes back and forth from the same two screens. You have to pull the screen down to see the error at the top. I tried 5 times and it says retry or call customer service. Just how I want to spend my Saturday morning. ( You might notice that there are 207 reviews but you can only read two. )
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Version 20.2.60

Crashes when I try to open it... iPhone 8🙁

tried older updates and it works but says to “update now”

Please fix

Hometown bank

Grundy Bank is truly a bank that offers a lot! All with the kindness and friendliness of a small town bank. Keats there to lend a hand or answer a question. Dave and Randy in the mortgage department and their staff alway go above and beyond!

FAQ

What can I do with the Grundy Bank Mobile Banking app?

The app allows you to conveniently and securely manage your bank accounts from your mobile device. You can view balances and transactions for checking, savings, and loan accounts, transfer funds between your accounts, schedule and pay bills, and deposit checks by taking photos.

How does the app help with security?

The app offers several security features to protect your accounts. You can change your password, set up fingerprint login for secure sign-in, and temporarily restrict your debit card if it's lost. It also provides an 'Instant Balance' feature to view your balance without fully logging in.

Is the Grundy Bank Mobile Banking app free to use?

The app itself is free to download and use. However, standard mobile carrier data rates may apply for accessing the service. There are no explicit in-app purchases mentioned for core banking functionalities.

Can I deposit checks using the app?

Yes, you can deposit checks by simply taking a photo of the front and back of the endorsed check through the app. Please note that deposits are subject to verification, and funds may not be available for immediate withdrawal. Other restrictions may also apply.

How do I find a Grundy Bank branch or ATM?

The app includes a 'Locations' feature that allows you to find the nearest Grundy Bank branch and ATMs. This helps you easily locate physical banking services when you need them.