# Metro Bank Authenticator vs sFOX

The clearest difference is update cadence: sFOX at monthly against Metro Bank Authenticator's every 12 months. Metro Bank Authenticator's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.6). On price, review sentiment, 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.

Metro Bank Authenticator ships an update every 12 months, sFOX monthly. The most recent releases landed on September 17, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Metro Bank Authenticator | sFOX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (15 ratings)](https://appshunter.io/ios/app/sfox/id1583801613/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free | Free |
| Size | 12 MB | 64 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MetroBank](https://appshunter.io/developer/854725531) | [SFOX Inc](https://appshunter.io/developer/1583801615) |

## What reviewers say

### 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


### sFOX

[App page](https://appshunter.io/ios/app/sfox/id1583801613)

Trade cryptocurrencies like Bitcoin and Ethereum commission-free with advanced routing across multiple exchanges. Securely buy, store, and sell digital assets using patented wallet technology.

**Highlights:** Commission-free crypto trading, Advanced smart order routing, Trade across multiple exchanges, Patented MPC wallet security, Buy, store, and sell cryptocurrencies, Support for numerous digital assets

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

**In-app purchases:** none


## Frequently asked questions

### Is Metro Bank Authenticator free?

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

### Is sFOX free?

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

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

Neither Metro Bank Authenticator nor sFOX shows ads.

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

Metro Bank Authenticator ships an update every 12 months, and sFOX monthly. Most recently, Metro Bank Authenticator was updated on September 17, 2026 and sFOX on September 1, 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.*