# CMB Mobile Banking Aruba vs AB Authenticator

The clearest difference is rating: CMB Mobile Banking Aruba at 2.8 against AB Authenticator's 1.0. CMB Mobile Banking Aruba also leads on review sentiment (23% vs 0%) and ratings volume (59 vs 3). AB Authenticator's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CMB Mobile Banking Aruba holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: CMB Mobile Banking Aruba has 59 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 23% of CMB Mobile Banking Aruba's written reviews are positive against 0% of AB Authenticator's.

CMB Mobile Banking Aruba ships an update every 4 months, AB Authenticator every 7 months. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | CMB Mobile Banking Aruba | AB Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (59 ratings)](https://appshunter.io/ios/app/cmb-mobile-banking-aruba/id1217063914/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/ab-authenticator/id6717609548/reviews) |
| Number of ratings | **59** | 3 |
| Positive reviews | **23.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 53 MB | 29 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Caribbean Mercantile Bank N.V.](https://appshunter.io/developer/601369940) | [Aruba Bank N.V.](https://appshunter.io/developer/1084797202) |

## What reviewers say

### CMB Mobile Banking Aruba

[App page](https://appshunter.io/ios/app/cmb-mobile-banking-aruba/id1217063914)

Manage your personal finances on the go with real-time access to accounts, transfers, and payments. Securely handle credit cards, loans, and mobile top-ups from your smartphone or tablet.

**Highlights:** Real-time account balances and transactions, Local and international payments, Credit card balance increase and mobile top-up, ATM and branch locator, Customizable alerts and notifications, Secure login with Face ID/Touch ID/PIN, Device management

**Features:** macOS Compatibility

**In-app purchases:** none


### AB Authenticator

[App page](https://appshunter.io/ios/app/ab-authenticator/id6717609548)

Manage personal and business accounts securely on the go. Access your financial information anytime, anywhere with this application.

**Highlights:** Personal account management, Business account management, Anytime access, Anywhere access, Secure management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CMB Mobile Banking Aruba free?

CMB Mobile Banking Aruba is free to download, with no in-app purchases.

### Is AB Authenticator free?

AB Authenticator is free to download, with no in-app purchases.

### Which has better reviews, CMB Mobile Banking Aruba or AB Authenticator?

CMB Mobile Banking Aruba is rated higher. CMB Mobile Banking Aruba averages 2.8 out of 5 from 59 ratings, while AB Authenticator averages 1.0 from 3 ratings.

### Do CMB Mobile Banking Aruba or AB Authenticator have ads?

Neither CMB Mobile Banking Aruba nor AB Authenticator shows ads.

### Which is updated more often, CMB Mobile Banking Aruba or AB Authenticator?

CMB Mobile Banking Aruba ships an update every 4 months, and AB Authenticator every 7 months. Most recently, CMB Mobile Banking Aruba was updated on September 16, 2026 and AB Authenticator on September 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*