# CA Mobile Authenticator vs PATT

The clearest difference is rating: PATT at 5.0 against CA Mobile Authenticator's 1.9. CA Mobile Authenticator's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

PATT holds the better App Store score, 5.0 against 1.9. Both are backed by a comparable volume of ratings — 11 and 4 respectively.

CA Mobile Authenticator ships an update every 6 months, PATT every 12 months. The most recent releases landed on September 20, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | CA Mobile Authenticator | PATT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (11 ratings)](https://appshunter.io/ios/app/ca-mobile-authenticator/id1180629016/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/patt/id1435167768/reviews)** |
| Number of ratings | **11** | 4 |
| Positive reviews | 3.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 7 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CA, Inc](https://appshunter.io/developer/400519643) | [Federal Railroad Administration](https://appshunter.io/developer/643005217) |

## What reviewers say

### CA Mobile Authenticator

[App page](https://appshunter.io/ios/app/ca-mobile-authenticator/id1180629016)

Enhance transaction security with two-factor authentication. Register your device and authenticate transactions via push notifications, simply approving or denying requests directly from your screen.

**Highlights:** Two-factor authentication, Device registration, QR code activation, Push notification authentication, Approve/Deny transaction options

**Features:** macOS Compatibility

**In-app purchases:** none


### PATT

[App page](https://appshunter.io/ios/app/patt/id1435167768)

This app helps railroads and contractors determine if a qualifying accident has occurred that requires post-accident alcohol and drug testing under FRA regulations. It aids in quick decision-making and protects employee privacy by preventing erroneous tests.

**Highlights:** Determines qualifying accidents for testing, Aids in quick decision-making, Ensures compliance with FRA regulations, Protects employee privacy, Supports post-accident testing procedures

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CA Mobile Authenticator free?

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

### Is PATT free?

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

### Which has better reviews, CA Mobile Authenticator or PATT?

PATT is rated higher. CA Mobile Authenticator averages 1.9 out of 5 from 11 ratings, while PATT averages 5.0 from 4 ratings.

### Do CA Mobile Authenticator or PATT have ads?

Neither CA Mobile Authenticator nor PATT shows ads.

### Which is updated more often, CA Mobile Authenticator or PATT?

CA Mobile Authenticator ships an update every 6 months, and PATT every 12 months. Most recently, CA Mobile Authenticator was updated on September 20, 2026 and PATT on June 4, 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.*