Locklizard Safeguard Viewer vs OpenOTP Token
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Locklizard Safeguard Viewer
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.
- View secure PDF documents
- Supports PDC files
- DRM protected PDF viewing
- iOS compatibility
- Free to use
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Locklizard Safeguard Viewer for iOS is a FREE app that lets you view Locklizard secure PDF documents (PDC files) on the iPad and iPhone. Safeguard Secure PDF Viewer supports PDC files protected with Safeguard PDF Security and Enterprise PDF DRM. An installation video can be found at https://www.locklizard.com/Videos/Viewers/ios-viewer-install.mp4
OpenOTP Token
This app enhances enterprise security by providing multi-factor authentication with features like push notifications, OTPs, and anti-phishing protection. It can also transform your mobile device into an e-signature tool when combined with specific security suites.
- Multi-factor authentication (MFA)
- Push notifications
- One-time passwords (OTPs)
- Anti-phishing protection
- Geo-mapping
- Biometric protection
- E-signature device
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OpenOTP Token is the official App we recommend to use with OpenOTP Authentication Server for Enterprises. It features Push Notifications and OTPs with anti-phishing, geo-mapping & biometric protection. In addition and combined with OpenOTP Security Suite, this token turns your mobile into an e-signature device (Advanced or Qualified signature). OpenOTP Token also provides an easy solution for organising your Multi-factor authentication (MFA) accounts, enabling secure login to all your resources. Join a more secure world.
Screenshots
Verdict
The clearest difference is rating: OpenOTP Token at 2.6 against Locklizard Safeguard Viewer's 1.8. OpenOTP Token also leads on review sentiment (46% vs 11%). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OpenOTP Token holds the better App Store score, 2.6 against 1.8. Both are backed by a comparable volume of ratings — 8 and 17 respectively. Written reviews point the same way: 11% of Locklizard Safeguard Viewer's written reviews are positive against 46% of OpenOTP Token's.
Locklizard Safeguard Viewer ships an update every 2 months, OpenOTP Token every 6 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.
| Parameter | Locklizard Safeguard Viewer | OpenOTP Token |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (8 ratings) | 2.6 (17 ratings) — better |
| Positive reviews | 10.8% of reviews | 46.2% of reviews — better |
| Number of ratings | 8 | 17 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 74 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | LockLizard | RCDevs SA |
Customer experience
Locklizard Safeguard Viewer
OpenOTP Token
In-app purchases
Locklizard Safeguard Viewer
No in-app purchases
OpenOTP Token
No in-app purchases
Questions
Is Locklizard Safeguard Viewer free?
Is OpenOTP Token free?
Which has better reviews, Locklizard Safeguard Viewer or OpenOTP Token?
Do Locklizard Safeguard Viewer or OpenOTP Token have ads?
Which is updated more often, Locklizard Safeguard Viewer or OpenOTP Token?
Other comparisons
