Locklizard Safeguard Viewer vs SimpleDB
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
SimpleDB
Access and manage Amazon SimpleDB data directly from your mobile device. Browse domains, build custom queries, and export results to CSV for easy sharing and archiving. Securely store your AWS credentials for convenient access.
- Connect to AWS profile
- Browse SimpleDB domains
- Table view for attributes
- Custom SELECT query builder
- CSV export
- Secure credential storage
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SimpleDB Viewer helps you work with Amazon SimpleDB from your phone or tablet: connect your AWS profile, pick a domain, and browse attributes in a clear table. Refine what you see with a query builder that keeps you in safe SELECT-only territory, then export results to CSV and share them with Mail, Files, or other apps. Highlights: - List domains and open any domain's data in a table view - Custom queries with validation tuned for SimpleDB-style SELECT statements - CSV export for sharing or archiving snapshots - Secure credential storage in the iOS Keychain; support for multiple profiles Built for developers and operators who still rely on SimpleDB and want a fast, focused way to inspect data without a laptop. Note: Compatible with Silicon Macs
Screenshots
Verdict
The clearest difference is price: Locklizard Safeguard Viewer at Free against SimpleDB's $1.99. Locklizard Safeguard Viewer also leads on update cadence (every 2 months vs every 48 months) and ratings volume (8 vs 1). SimpleDB's advantage is rating (5.0 vs 1.8). On ads, in-app purchases and device support 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
Locklizard Safeguard Viewer is free to download; SimpleDB costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SimpleDB holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Locklizard Safeguard Viewer has 8 ratings behind it against 1, so its average is the more settled of the two.
Locklizard Safeguard Viewer ships an update every 2 months, SimpleDB every 48 months. The most recent releases landed on September 23, 2026 and August 15, 2026 respectively.
| Parameter | Locklizard Safeguard Viewer | SimpleDB |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 1.8 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 10.8% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 2 months — better | Every 48 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 74 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | LockLizard | Maysoft Inc. |
Customer experience
Locklizard Safeguard Viewer
SimpleDB
In-app purchases
Locklizard Safeguard Viewer
No in-app purchases
SimpleDB
No in-app purchases
Questions
Is Locklizard Safeguard Viewer free?
Is SimpleDB free?
Which has better reviews, Locklizard Safeguard Viewer or SimpleDB?
Do Locklizard Safeguard Viewer or SimpleDB have ads?
Which is updated more often, Locklizard Safeguard Viewer or SimpleDB?
Other comparisons
