About this app
O2 Digital Banking is your personal financial advocate that gives you the ability to aggregate all of your financial accounts, including accounts from other banks and credit unions, into a single view. It’s fast, secure and makes life easier by empowering you with the tools you need to manage your finances. Here’s what else you can do with O2 Digital Banking: Keep your transactions organized by allowing you to add tags, notes and photos of receipts and checks. Set up alerts so you know when your balance drops below a certain amount Make payments, whether you’re paying a company or a friend Transfer money between your accounts Deposit checks in a snap by taking a picture of the front and back Reorder your debit card or turn it off if you’ve misplaced it View and save your monthly statements Find branches and ATMs near you Secure your account with a 4-digit passcode and fingerprint or face reader on supported devices. To use the O2 Digital Banking app, you must be enrolled as a Old Second National Bank digital banking user. If you currently use our Internet Banking, simply download the app, launch it, and login with the same Internet Banking credentials.
Latest release
What’s New
Version 3.37.0 • Bug fixes and performance improvements
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 1, 2026 · 2:00 PM Free
Screenshots
