First Interstate Bank Mobile vs First Security Bank Roundup
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
First Interstate Bank Mobile
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.
- View account balances
- Search transaction history
- Transfer funds
- Pay bills
- Deposit checks
- Configure push notifications
- Balance Widget
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Features • View account balances • View and search up to 24 months of transaction history • View copies of cleared checks • Transfer funds between your First Interstate accounts • Pay bills (Must have Bill Pay setup previously in online banking) • Deposit check • Configure Push Notifications including: • Low Balance • High Balance • Balance Update • Large Withdrawal • Large Deposit • Payment Due • Payment Overdue • Quick Balance • Check your account balances without opening the app with the Balance Widget (also on Wear OS) • Locate ATM and Branches
First Security Bank Roundup
Manage your bank accounts conveniently and securely from your mobile device. Access your funds quickly and easily with this application.
- Convenient banking
- Secure access
- Fast transactions
- Easy account management
- Mobile access
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Bank conveniently and safely with First Security Bank of Roundup mobile app. You can get fast, easy and secure access to your First Security Bank accounts right from your mobile device.
Screenshots
Verdict
First Interstate Bank Mobile and First Security Bank Roundup both sit at 4.7 stars, but that hides the real split: 100% of First Security Bank Roundup's written reviews are positive against 32% of First Interstate Bank Mobile's. First Security Bank Roundup also leads on iOS requirement (15.0 vs 17.0). First Interstate Bank Mobile's advantage is ratings volume (27K vs 99) and monetization model (free vs ad-supported). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
First Security Bank Roundup holds the better App Store score, 4.8 against 4.7. That said, the two scores are not equally well evidenced: First Interstate Bank Mobile has 27K ratings behind it against 99, so its average is the more settled of the two. Written reviews point the same way: 32% of First Interstate Bank Mobile's written reviews are positive against 100% of First Security Bank Roundup's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.
| Parameter | First Interstate Bank Mobile | First Security Bank Roundup |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (27K ratings) | 4.8 (99 ratings) — better |
| Positive reviews | 32.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 27K — better | 99 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 165 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | First Interstate Bank | First Security Bank of Roundup |
Customer experience
First Interstate Bank Mobile
First Security Bank Roundup
Bugs and requests
First Interstate Bank Mobile
Reported bugs
3 issues- Mobile check deposit not working with latest iOS updates
- Login issues and app crashes
- Inconsistent app behavior across devices
Requested features
4 requests- Add ability to view and pay credit card bills in app
- Improve mobile check deposit functionality
- Add search and sorting options for transactions
- Provide more detailed transaction descriptions
First Security Bank Roundup
Not enough reviews yet to summarise bugs or requests.
In-app purchases
First Interstate Bank Mobile
No in-app purchases
First Security Bank Roundup
No in-app purchases
Questions
Is First Interstate Bank Mobile free?
Is First Security Bank Roundup free?
Which has better reviews, First Interstate Bank Mobile or First Security Bank Roundup?
Do First Interstate Bank Mobile or First Security Bank Roundup have ads?
Which is updated more often, First Interstate Bank Mobile or First Security Bank Roundup?
Other comparisons
