# Locklizard Safeguard Viewer vs CA Mobile Authenticator

The clearest difference is update cadence: Locklizard Safeguard Viewer at every 2 months against CA Mobile Authenticator's every 6 months. CA Mobile Authenticator's advantage is iOS requirement (12.0 vs 15.6). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.8 for Locklizard Safeguard Viewer against 1.9 for CA Mobile Authenticator. Both are backed by a comparable volume of ratings — 8 and 11 respectively. Written reviews are what separate them: 11% of Locklizard Safeguard Viewer's written reviews are positive against 4% of CA Mobile Authenticator's.

Locklizard Safeguard Viewer ships an update every 2 months, CA Mobile Authenticator every 6 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Locklizard Safeguard Viewer | CA Mobile Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (8 ratings)](https://appshunter.io/ios/app/locklizard-safeguard-viewer/id627385747/reviews) | **[1.9 (11 ratings)](https://appshunter.io/ios/app/ca-mobile-authenticator/id1180629016/reviews)** |
| Number of ratings | 8 | **11** |
| Positive reviews | **10.8% of reviews** | 3.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 74 MB | 7 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LockLizard](https://appshunter.io/developer/627385830) | [CA, Inc](https://appshunter.io/developer/400519643) |

## What reviewers say

### Locklizard Safeguard Viewer

[App page](https://appshunter.io/ios/app/locklizard-safeguard-viewer/id627385747)

This free application allows users to view protected PDF documents on their iOS devices. It supports secure PDF files that have been protected using specific DRM security software.

**Highlights:** View secure PDF documents, Supports PDC files, DRM protected PDF viewing, iOS compatibility, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Locklizard Safeguard Viewer free?

Locklizard Safeguard Viewer is free to download, with no in-app purchases.

### Is CA Mobile Authenticator free?

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

### Which has better reviews, Locklizard Safeguard Viewer or CA Mobile Authenticator?

CA Mobile Authenticator is rated higher. Locklizard Safeguard Viewer averages 1.8 out of 5 from 8 ratings, while CA Mobile Authenticator averages 1.9 from 11 ratings.

### Do Locklizard Safeguard Viewer or CA Mobile Authenticator have ads?

Neither Locklizard Safeguard Viewer nor CA Mobile Authenticator shows ads.

### Which is updated more often, Locklizard Safeguard Viewer or CA Mobile Authenticator?

Locklizard Safeguard Viewer ships an update every 2 months, and CA Mobile Authenticator every 6 months. Most recently, Locklizard Safeguard Viewer was updated on October 20, 2026 and CA Mobile Authenticator on October 15, 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.*