# CSB4U vs Metro Bank Authenticator

The clearest difference is review sentiment: CSB4U at 100% against Metro Bank Authenticator's 0%. CSB4U also leads on update cadence (monthly vs every 12 months). Metro Bank Authenticator's advantage is iOS requirement (14.0 vs 18.4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CSB4U ships an update monthly, Metro Bank Authenticator every 12 months. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CSB4U | Metro Bank Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (213 ratings)](https://appshunter.io/ios/app/csb4u/id1403530833/reviews)** | — |
| Number of ratings | **213** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free | Free |
| Size | 177 MB | 12 MB |
| Requires iOS | 18.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CSB Sheldon](https://appshunter.io/developer/1294330415) | [MetroBank](https://appshunter.io/developer/854725531) |

## What reviewers say

### CSB4U

[App page](https://appshunter.io/ios/app/csb4u/id1403530833)

Aggregate all your financial accounts into one place for easy management. Organize transactions with tags and notes, set balance alerts, and make payments. Deposit checks, manage debit cards, and find nearby branches and ATMs securely.

**Highlights:** Aggregate financial accounts, Organize transactions with tags and notes, Set balance alerts, Make payments and transfer money, Mobile check deposit, Debit card management, Find branches and ATMs

**Features:** Apple Wallet

**In-app purchases:** none


### Metro Bank Authenticator

[App page](https://appshunter.io/ios/app/metro-bank-authenticator/id1524446800)

This app provides a secure and convenient way for Metro Bank Business customers to authenticate online banking actions. It replaces the need for a physical security device, allowing for quick verification of logins, payments, and account changes directly from your mobile.

**Highlights:** Authenticate online banking actions, Secure login verification, Approve new payment setups, Confirm account changes, Replaces physical security devices, Convenient mobile authentication

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CSB4U free?

CSB4U is free to download, with no in-app purchases.

### Is Metro Bank Authenticator free?

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

### Do CSB4U or Metro Bank Authenticator have ads?

Neither CSB4U nor Metro Bank Authenticator shows ads.

### Which is updated more often, CSB4U or Metro Bank Authenticator?

CSB4U ships an update monthly, and Metro Bank Authenticator every 12 months. Most recently, CSB4U was updated on September 24, 2026 and Metro Bank Authenticator on September 17, 2026.

---

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