Firstmark Credit Union vs Security Service Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Firstmark Credit Union
Manage your finances on the go with this banking app. Securely access your accounts, transfer funds, pay bills, and deposit checks. It also offers features for loan applications, card controls, and finding nearby financial centers.
- Secure login (Touch ID/facial recognition)
- View account activity and balances
- Fund transfers
- Bill pay
- Mobile check deposit
- Loan applications
- Debit/Credit card controls
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Features and Services: • Secure login with Touch ID or facial recognition • View account activity and balances • Transfer funds to and from connected accounts • Pay bills • Link external accounts • Deposit checks with Mobile Deposit • View Electronic Statements • Connect with Firstmark by message or phone • Manage account and security alerts • Locate the nearest Firstmark financial center or free ATM • Apply for loans or open additional accounts • Make loan payments • Debit and Credit Card controls • View Mortgage loan account activity • View credit score
Security Service Mobile
Manage your bank accounts securely from your mobile device. View balances, transfer funds, deposit checks, and pay bills with ease. Access helpful resources like branch locators and credit score information.
- View account balances and transactions
- Transfer money between accounts
- Deposit checks via mobile
- Schedule and pay bills
- Freeze/unfreeze debit and credit cards
- Set up account alerts
- Find branches and ATMs
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Bank anywhere with Security Service Mobile. View your balance, transfer money, deposit checks, and pay bills in a few simple steps. It’s an easy, secure way to manage your accounts. Manage Your Accounts • View balances and transactions • Transfer money • Deposit checks • Set up alerts • Debit and credit card freeze/unfreeze • Set up a travel notice Make Payments & Transfers • Schedule, edit, or cancel payments with Bill Pay • Transfer money between your accounts • Set up credit card autopay • Send and receive money with Zelle® Helpful Resources • Branch and ATM locator • Direct access to your Power Protected Checking benefits • ID Monitoring access* • Credit score access* • Mobile phone claim access* *Power Protected Checking account holders only. Federally insured by NCUA. Standard data and text messaging rates may apply. Alerts are based upon the settings you establish. Mobile check deposit is subject to eligibility and qualification requirements. Most alerts are provided real-time, but some may not trigger an immediate alert. Security Service is not responsible for an alert not being sent or received. Standard data and text messaging rates may apply. Copyright © Security Service Federal Credit Union. All rights reserved. Zelle® and the Zelle® related marks are wholly owned by Early Warning Services, LLC and are used herein under license.
Screenshots
Verdict
The clearest difference is review sentiment: Firstmark Credit Union at 85% against Security Service Mobile's 7%. Firstmark Credit Union also leads on rating (4.9 vs 2.6) and ratings volume (13K vs 1.2K). Security Service Mobile's advantage is update cadence (every 3 months vs every 6 months) and device support (4 vs 2). On price, ads, in-app purchases and monetization model 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.
Firstmark Credit Union holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: Firstmark Credit Union has 13K ratings behind it against 1.2K, so its average is the more settled of the two. Written reviews point the same way: 85% of Firstmark Credit Union's written reviews are positive against 7% of Security Service Mobile's.
Firstmark Credit Union ships an update every 6 months, Security Service Mobile every 3 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.
| Parameter | Firstmark Credit Union | Security Service Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (13K ratings) — better | 2.6 (1.2K ratings) |
| Positive reviews | 85.1% of reviews — better | 7.3% of reviews |
| Number of ratings | 13K — better | 1.2K |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 31 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Firstmark Credit Union | Security Service Federal Credit Union |
Customer experience
Firstmark Credit Union
Security Service Mobile
User reviews
Firstmark Credit Union
From 13K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Convenient banking
- 🔒 Secure transactions
- 💡 Helpful features (e.g. credit score tracking)
Room to improve
- 🐛 Buggy and laggy app
- 🔍 Limited transaction history visibility
- 💤 Outdated technology (no Zelle support)
Security Service Mobile
From 1.2K App Store ratingsWhat we love
- 👍 Works great
- 🚀 Seamless and intuitive
- 💡 Awesome mobile deposit feature
Room to improve
- 🐛 Constant login issues
- 🐛 Unreliable and frequently crashes
- 🐛 Slow and unresponsive
- 🐛 Buggy after updates
- 🐛 Cannot log in or access accounts
Bugs and requests
Firstmark Credit Union
Reported bugs
3 issues- Face ID/fingerprint login issues
- Inconsistent check deposit functionality
- Incorrect transaction categorization
Requested features
3 requests- Ability to view full transaction history
- Option to add notes to transactions
- Twice-per-month bill pay scheduling
Security Service Mobile
Reported bugs
5 issues- Login screen freezes
- Face ID/biometrics not working consistently
- Delayed or missing transaction updates
- Incorrect account balances shown
- Mobile check deposit not functioning properly
Requested features
6 requests- Dark mode option
- Ability to transfer between family member accounts
- Improve transaction details and history
- Better organization and customization of accounts
- Streamline login and authentication process
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- Improve mobile check deposit functionality
In-app purchases
Firstmark Credit Union
No in-app purchases
Security Service Mobile
No in-app purchases
Questions
Is Firstmark Credit Union free?
Is Security Service Mobile free?
Which has better reviews, Firstmark Credit Union or Security Service Mobile?
Do Firstmark Credit Union or Security Service Mobile have ads?
Which is updated more often, Firstmark Credit Union or Security Service Mobile?
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