Last updated 1mo ago

PDF Secure, Lock PDF password

PDF Secure, Lock PDF password is an iOS utility for encrypting PDF files and recovering lost passwords via a subscription model.

Product velocity

Dormant

updated 602d ago

Daily rank 🇺🇸

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Utilities

Sentiment

—

Nemesis

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Fragmented field

No rivals identified

The App DNA

What makes this app unique?

The app removes the cognitive friction of managing document security by providing a centralized, password-protected vault for sensitive files, serving users who require persistent access to encrypted data.

For Individuals and professionals needing to secure sensitive PDF documents on iOS devices.

What does it look like?

Key features

PDF Password Protectionstandard

Applies encryption to PDF documents to restrict unauthorized access.

Password Recoveryedge

Displays previously set passwords for managed PDF files; gates access behind a premium subscription.

PDF Previewstandard

Renders locked PDF files within the application interface to verify integrity.

How much does it cost?

subscriptionFree tier with limited functionality$1.99/week$3.99/month$9.99/year

Subscription model anchored at $9.99/year, gating advanced features like password recovery behind recurring payments.

Velocity

Dormant developmentopaqueShow more...

PDF Secure, Lock PDF password has seen no development activity for 602 days. The app remains in a zombie state with no updates or feature additions since its initial launch. There is no evidence of ongoing maintenance or support for the platform.

See all version history

Who built it?

Mohamed Oufqir

6 apps tracked · Utilities

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Word to PDF Converter -convert

Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store

0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for PDF Secure, Lock PDF password

How's the Utilities market?

PDF Secure, Lock PDF password occupies a niche in the Utilities category, relying on a subscription model for encryption services. The lack of updates for over 20 months signals a stagnant position compared to active competitors in the document-security space.

The rivals identified

The Analyst's Read

Key takeaways for PDF Secure, Lock PDF password

Where is it heading?

The document-utility market is increasingly dominated by native OS features, which compresses the value proposition for third-party encryption apps. PDF Secure, Lock PDF password faces a stable but limited outlook, as the lack of recent development activity makes it vulnerable to any OS-level changes that could break its core functionality.

The 20-month update silence suggests a stable, maintenance-only posture rather than an active growth strategy.
Reliance on a subscription model for a simple utility tool limits the addressable market against native iOS file-security features.

The SWOT

Core Strengths

Password recovery mechanism functions as a high-intent conversion lever for users who lose access to their own encrypted files.

Critical Frictions 2 weaknesses inside

Growth Levers

Introduce a one-time purchase tier to capture users who avoid recurring billing for simple file-utility tasks.

Market Threats 1 threat identified

Next best moves

1 Invest · 1 Maintain

Introduce a one-time purchase option because the current subscription-only model creates friction for utility-focused users → increase conversion rate

+ 1 more prioritized move

The counter-intuitive read

The lack of updates is not a failure…

Read the full take

Since the last report: The competitive assessment has shifted from a general maintenance-mode critique to a targeted analysis of the app's pricing friction and its vulnerability to native iOS functionality. While the product remains in a 602-day update silence, the strategic outlook now emphasizes the necessity of a one-time purchase model to address user conversion barriers.

Bottom line

PDF Secure, Lock PDF password rests on the utility of password recovery, but the lack of development activity since late 2024 suggests the product is in maintenance mode. Transitioning to a one-time purchase model could unlock conversion among users who reject recurring subscriptions.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

Access the full report for free

FAQ

Is PDF Secure, Lock PDF password free to use?

The app offers a free tier with limited functionality, while advanced features like password recovery require a premium subscription starting at $1.99 per week.

How does this app compare to the built-in iOS Files app?

While the built-in iOS Files app provides native document management, PDF Secure, Lock PDF password focuses on specific password-encryption and recovery workflows that may not be natively available in the same interface.

Does PDF Secure, Lock PDF password work offline?

The core encryption and password-setting features are designed for local file management, though the app's reliance on subscription management may require occasional connectivity.

What are some alternatives for securing PDF files on iOS?

Users can consider native iOS features, Adobe Acrobat, or other dedicated PDF utility apps that offer varying combinations of encryption and file management tools.

Sources

[1] App Store, source
[2] Developer website, source

Report last updated Aug 18, 2026