Best First Interstate Bank Mobile Banking Apps

246+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Out of 246+ first interstate bank mobile banking apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top First Interstate Bank Mobile Banking Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1First Interstate Bank MobileFirst Interstate Bank MobileFree4.7★ (25K)YesNoSep 2026
2First Interstate Debit ManagerFirst Interstate Debit ManagerFree1.8★ (23)NoNoMay 2026
3FNBT & FCB MobileFNBT & FCB MobileFree4.7★ (148K)NoNoSep 2026
4First Internet Bank MobileFirst Internet Bank MobileFree4.7★ (925)YesNoJul 2026
5FB Mobile BankingFB Mobile BankingFree4.8★ (20K)NoNoSep 2026
6Northwest Mobile BankingNorthwest Mobile BankingFree4.7★ (19K)YesNoSep 2026
7First Financial Bank MobileFirst Financial Bank MobileFree4.7★ (9.6K)NoNoSep 2026
8BancFirst MobileBancFirst MobileFree4.8★ (30K)YesNoSep 2026

Top Picks for First Interstate Bank Mobile Banking

4.7😞(25K ratings)
FreeAds
First Interstate Bank Mobile screenshot 1
First Interstate Bank Mobile screenshot 2
First Interstate Bank Mobile screenshot 3
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First Interstate Bank Mobile screenshot 6

Manage your finances on the go with this banking application. View account balances, transaction history, and cleared checks. Transfer funds, pay bills, and deposit checks remotely. Receive customizable push notifications for important account activity.

What We Love

  • 👍 Easy to use
  • 🚀 Instant transfers
  • 💡 Useful features like mobile check deposit

Room to Improve

  • 🐛 Inconsistent account balance notifications
  • 💰 Excessive fees and charges
  • 🔍 Lack of credit card functionality in app
  • 🕰️ Slow processing of payments and deposits
FNBT & FCB Mobile#3
4.7😐(148K ratings)
Free
FNBT & FCB Mobile screenshot 1
FNBT & FCB Mobile screenshot 2
FNBT & FCB Mobile screenshot 3
FNBT & FCB Mobile screenshot 4

Manage your finances conveniently with this banking application. It allows for easy fund transfers, bill payments, and mobile check deposits. Securely access account information, manage debit cards, and even open new accounts or apply for loans.

What We Love

  • 🚀 Fast and efficient app
  • 👍 User-friendly interface
  • 🔒 Robust security features
  • 💡 Useful budgeting and money management tools
  • 👍 Convenient mobile check deposit
  • 👍 Seamless internal transfers and Zelle integration

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔍 Inability to search transaction history
  • 🤔 Inconsistent account balance display
  • 🤔 Reduced functionality compared to previous app
  • 🤔 Unreliable card controls and activation
  • 🤔 Lack of customer support responsiveness

More First Interstate Bank Mobile Banking apps to explore

FAQ about First Interstate Bank Mobile Banking

What are the best first interstate bank mobile banking apps for iPhone?
First Interstate Bank Mobile tops our first interstate bank mobile banking apps ranking as of September 2026, with a 4.7-star average from 25K App Store ratings, and it's free to download.
Yes — 20 of the top first interstate bank mobile banking apps we rank are free to download, including First Interstate Bank Mobile and First Interstate Debit Manager.
First Interstate Bank Mobile shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 246+ first interstate bank mobile banking apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to view your account balances and transaction history for up to 24 months. You can also view copies of cleared checks, transfer funds between your First Interstate accounts, pay bills, and deposit checks remotely.
To pay bills through the app, you must have Bill Pay set up previously in your online banking. Once configured online, you can manage your bill payments directly from the mobile application.