Best First Interstate Bank Apps

247+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Finding the right first interstate bank apps can be overwhelming with so many options. We've analyzed 247+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top First Interstate Bank 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
3Treasury Banking SuiteTreasury Banking SuiteFree1.9★ (7)NoNoMay 2026
4First Intl Bank & TrustFirst Intl Bank & TrustFree4.8★ (4.6K)NoNoSep 2026
5First Interstate Wealth MgmtFirst Interstate Wealth MgmtFreeNoNoJul 2026
6First Internet Bank MobileFirst Internet Bank MobileFree4.7★ (925)YesNoJul 2026
7ICCU Mobile BankingICCU Mobile BankingFree4.9★ (79K)NoNoSep 2026
8First Financial Bank MobileFirst Financial Bank MobileFree4.7★ (9.6K)NoNoSep 2026

Top Picks for First Interstate Bank

4.7😞(25K ratings)
FreeAds
First Interstate Bank Mobile screenshot 1
First Interstate Bank Mobile screenshot 2
First Interstate Bank Mobile screenshot 3
First Interstate Bank Mobile screenshot 4
First Interstate Bank Mobile screenshot 5
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

More First Interstate Bank apps to explore

FAQ about First Interstate Bank

What are the best first interstate bank apps for iPhone?
First Interstate Bank Mobile tops our first interstate bank 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 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 247+ first interstate bank 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.

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