# PDF Lock Unlock — Seamless PDF Protection/Unlock

> Securely encrypt, protect, and share PDF documents with passcodes and permissions. (iPhone/iPad app by Sweta Kansagra.)

- Source: https://appshunter.io/ios/app/pdf-lock-unlock/id6451026409 (this page in markdown: same URL + `.md`)
- Developer: [Sweta Kansagra](https://appshunter.io/developer/1622141150)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.20/5 from 5 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 17 MB
- Languages: English
- Released: 2023-07-08
- Data updated: 2026-07-04
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/pdf-lock-unlock/id6451026409/reviews.md

## What is PDF Lock Unlock?

Introducing PDF Lock & Unlock

"Experience the ultimate PDF document security and versatility with PDF Lock & Unlock. Protect and safeguard your valuable PDF files with military-grade encryption, ensuring that your confidential information stays confidential. Set powerful passcodes and permissions to control access to your documents, allowing you to securely share and collaborate with peace of mind.


Key Features:

Robust encryption and passcode protection for PDF documents
Securely share and collaborate on PDFs with advanced access permissions
Unlock the true potential of your PDF documents with PDF Lock & Unlock. 
Access recent files (All, protected and unlocked)
View past imported pdf files
Empower yourself with industry-leading security features, advanced document management capabilities, and the convenience of secure collaboration. 

 Premium membership


To have access to the PDF Lock Unlock Pro content and functionality, you can choose monthly and yearly auto-renewable subscription.

This is a recurring transaction that will be charged to your iTunes Account at confirmation of purchase and will automatically renew unless you cancel it at least 24 hours before the end of your subscription. Renewals will be charged the same cost within 24 hours prior to the end of the current period. You can manage your subscriptions and auto-renewal can be turned off by going to your iTunes Account Settings after purchase.


privacy policy: http://candleinfotech.com/apps/PDF-Lock-Unlock/privacy-policy.html

terms of uses: http://candleinfotech.com/apps/PDF-Lock-Unlock/terms-of-services.html


Download PDF Lock & Unlock now and experience a new level of PDF document management and protection."

## Key features

- Military-grade encryption
- Passcode protection
- Advanced access permissions
- Secure sharing and collaboration
- Access recent files
- View past imported PDFs

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $14.99 | per year |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/pdf-lock-unlock/id6451026409/reviews.md

### 4/5 — The first one was the one with

*2025-03-17*

The most common way of dealing is by using

## Frequently asked questions about PDF Lock Unlock

### How do I protect my PDFs with PDF Lock Unlock?

PDF Lock Unlock offers robust encryption and passcode protection for your PDF documents. You can set powerful passcodes and permissions to control access, ensuring your confidential information remains secure.

### Can I securely share PDFs using PDF Lock Unlock?

Yes, the app allows you to securely share and collaborate on PDFs with advanced access permissions. This ensures that only authorized individuals can view or edit your documents.

### What are the subscription options for PDF Lock Unlock Pro?

PDF Lock Unlock Pro offers monthly and yearly auto-renewable subscriptions. The monthly plan is $1.99 and the yearly plan is $14.99. You can manage your subscriptions and turn off auto-renewal in your iTunes Account Settings.

### How do I cancel my PDF Lock Unlock subscription?

To cancel your subscription, go to your iTunes Account Settings at least 24 hours before the end of your current subscription period. Renewals will be charged at the same cost within 24 hours prior to the end of the current period.

### What devices is PDF Lock Unlock available on?

PDF Lock Unlock is available for iPhone and iPod. It is rated for ages 4 and up.

### How often is PDF Lock Unlock updated?

The latest version of PDF Lock Unlock is 1.1, which was last updated on July 21, 2023. The app was initially released on July 8, 2023.

### What is the user rating for PDF Lock Unlock?

PDF Lock Unlock has a rating of 4.2 stars from 5 ratings, indicating generally positive user sentiment.

### Does PDF Lock Unlock have ads?

No, PDF Lock Unlock does not contain advertisements. Its monetization is based on optional premium subscriptions for Pro features.

## Version history (last 2 releases)

### 1.1 — 2023-07-21

Added search in PDF

### 1.0 — 2023-07-08

No release notes.

## Apps similar to PDF Lock Unlock

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [PDF Password Remover Offline](https://appshunter.io/ios/app/pdf-password-remover-offline/id1638369289) | 3.9 (71) | Free | Utilities |
| [Scan2Picture](https://appshunter.io/ios/app/scan2picture/id6446205796) | — | Free | Utilities |
| [Omni PDF Unlocker - Password](https://appshunter.io/ios/app/omni-pdf-unlocker-password/id6474602222) | 5.0 (5) | Free | Utilities |
| [Camera Translator: Photo Trans](https://appshunter.io/ios/app/camera-translator-photo-trans/id6450010989) | — | Free | Utilities |
| [QR Reader：QR  Code](https://appshunter.io/ios/app/qr-readerqr-code/id6447519739) | — | $1.99 | Utilities |
| [PDF: Lock & Unlock](https://appshunter.io/ios/app/pdf-lock-and-unlock/id6444889806) | 3.5 (6) | Free | Utilities |

## More apps by Sweta Kansagra

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- [PDF Manager: Converter & Tools](https://appshunter.io/ios/app/pdf-manager-converter-and-tools/id6450590569)

All apps by Sweta Kansagra: https://appshunter.io/developer/1622141150

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*