Best Password Protection PDF Apps

240+ iOS apps curated and reviewed

4.2 avg rating

19 free apps

Updated October 2026

Looking for free password protection pdf apps? 19 of our 240+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Password Protection PDF Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Unlock PDF – Password Remover	Free	—	No	No	Oct 2026
2	PDF: Lock & Unlock	Free	3.5★ (6)	Yes	Yes	Oct 2026
3	PDF Secure	Free	4.8★ (383)	No	No	Oct 2026
4	PDF Lock – Password Protect	Free	—	No	Yes	Oct 2026
5	PDF Password Protector,Creator	Free	—	No	Yes	Oct 2026
6	lock pdf \| unlock pdf expert	Free	—	No	No	May 2026
7	PDF Manager: Editor & Scanner	Free	5.0★ (4)	No	Yes	Oct 2026
8	PDF Secure, Lock PDF password	Free	—	No	Yes	May 2026

Top Picks for Password Protection PDF

#1

Unlock PDF – Password Remover by Lubomir Dlhy

Remove PDF passwords offline

Editor's Choice

0.0(0 ratings)

Free

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Unlock PDF – Password Remover screenshot 6

#2

PDF: Lock & Unlock by Hardik Dhameliya

Lock & Unlock PDF File

Strong Contender

3.5(6 ratings)

FreeAdsIn-App Purchases

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Secure your documents by adding password protection or remove existing passwords from PDF files. This app also offers tools to merge, extract, and convert PDFs, along with OCR capabilities to recognize text.

#3

PDF Secure by iSolid apps

Document privacy protection

Worth Considering

4.8(383 ratings)

Free

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Secure your PDF documents by adding password protection, ensuring they cannot be opened without authorization. You can also easily remove existing password protection from your files. This app offers a straightforward process for safeguarding your sensitive information.

More Password Protection PDF apps to explore

PDF Lock – Password Protect

PDF Lock – Password Protect

PDF Lock – Password Protect

Secure & Unlock Documents

📊 Productivity

PDF Password Protector,Creator

PDF Password Protector,Creator

PDF Password Protector,Creator

PDF locking & Secure sharing

lock pdf | unlock pdf expert

lock pdf | unlock pdf expert

lock pdf | unlock pdf expert

add, remove password from pdf

PDF Manager: Editor & Scanner

PDF Manager: Editor & Scanner

PDF Manager: Editor & Scanner

Reader, Converter, Sign & OCR

This app offers a comprehensive suite of tools for managing PDF files. It allows users to create, edit, split, rotate, sign, and protect PDFs. Features include text recognition from scans and images, with a focus on security and offline functionality.

Create PDFs from images and documentsSplit and merge PDF pagesAdd electronic signatures

📊 Productivity

PDF Secure, Lock PDF password

PDF Secure, Lock PDF password

PDF Secure, Lock PDF password

Protect PDF set password

Omni PDF Unlocker - Password

Omni PDF Unlocker - Password

Omni PDF Unlocker - Password

Remove PDF password easily

Easily remove password protection and restrictions from PDF files with a single click. This utility also allows you to encrypt PDFs with a password to prevent unauthorized viewing or editing. It supports batch processing and operates fully offline for enhanced security.

Remove PDF password protectionSet passwords to restrict usageEncrypt PDFs for viewing protection

free with in-app purchases

PDF encryption made easy

Secure your PDF documents with robust password protection and encryption. This tool allows you to restrict printing, copying, and content extraction, while also enabling decryption of protected files. Protect sensitive information quickly and reliably.

Encrypt PDF files with password protectionRestrict printing and copyingDecrypt protected PDFs

Lock Pdf & Unlock PDF Offline

Lock Pdf & Unlock PDF Offline

Lock Pdf & Unlock PDF Offline

Add & Remove Password From PDF

PDFUnlock: Add/Remove password

PDFUnlock: Add/Remove password

PDFUnlock: Add/Remove password

Lock & unlock PDFs instantly

PDF View-Picture Create

PDF View-Picture Create

PDF View-Picture Create

Scan, Merge & Split Documents

📊 Productivity

PDF Reader - Viewer

PDF Reader - Viewer

PDF Reader - Viewer

View, Merge, Scan & Edit PDFs

This app provides a privacy-focused way to view, organize, and manage PDF files on your device. It offers tools for merging, splitting, securing documents, and converting images to PDF, all processed locally for enhanced data safety.

View and organize PDF filesMerge and split PDFsSecure documents with passwords

lock and unlock pdf - pdfsmith

lock and unlock pdf - pdfsmith

lock and unlock pdf - pdfsmith

Add, Remove password to PDF

PDF Password-Lock & Other Tool

PDF Password-Lock & Other Tool

PDF Password-Lock & Other Tool

Protect Your PDFs with Ease

📊 Productivity

unlock pdf & lock pdf

unlock pdf & lock pdf

unlock pdf & lock pdf

add & remove password from pdf

Protect sensitive PDF files by adding password encryption. Effortlessly remove existing passwords from PDFs for easier access. Change PDF passwords and secure your documents with peace of mind. This app helps manage PDF security and accessibility.

Add password to PDFRemove password from PDFChange PDF password

free with in-app purchases

PDF Password Remover Tool

PDF Password Remover Tool

PDF Password Remover Tool

Add or Remove PDF Password

Easily remove or add passwords to PDF files, along with copy and print restrictions. Import documents from various cloud storage services and local devices for seamless PDF management.

Remove password from encrypted PDFsAdd password to PDF filesAdd or remove copy/print restrictions

Password Generator & Vault

Password Generator & Vault

Password Generator & Vault

Safe passwords from one master

Generate unique, secure passwords for all your online accounts using a single master password. This app simplifies password management with quick copying and searching, and offers secure Touch ID login for easy access across your Apple devices.

Generate unique, secure passwordsSingle master password requiredQuick copy to clipboard

📊 Productivity

PDF Genie - Unlock & Edit PDF

PDF Genie - Unlock & Edit PDF

PDF Genie - Unlock & Edit PDF

PDF Tools | Unlock | Offline

📊 Productivity

FAQ about Password Protection PDF

Are there free password protection pdf apps for iPhone?

Yes — 19 of the top password protection pdf apps we rank are free to download, including Unlock PDF – Password Remover and PDF: Lock & Unlock.

Does Unlock PDF – Password Remover have ads or in-app purchases?

Unlock PDF – Password Remover has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many password protection pdf apps are on the App Store?

We track 240+ password protection pdf apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.