Comparison

PDF Unlock vs PDF Lite

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Unlock

Manage PDF security and convert documents offline. This tool allows you to unlock, lock, and scan PDFs without an internet connection. It also converts images to secure, password-protected PDFs.

Highlights
  • Offline PDF unlocking and locking
  • Password removal and auto-unlock
  • Image to PDF conversion
  • Document scanning to PDF
  • Secure PDF password management
  • Multi-language support
Read full description

PDF Unlock: Offline PDF Tools Your complete offline PDF toolkit to scan documents, unlock and protect PDFs, convert files, manage PDF passwords, and more — all without an internet connection. Key Features * PDF Unlock & Remove Password – Unlock secured PDFs and remove password protection when you have the required password. * Auto Unlock PDF – Save passwords securely on your device and automatically unlock similar PDFs without repeatedly entering the password. * Lock PDF – Protect your PDFs with a password and keep your documents secure. * PDF Password Manager – Store and manage your PDF passwords locally, so you don’t have to remember them every time. * Scan Documents – Scan documents directly from your device and create high-quality PDFs. * Image to PDF – Convert one or multiple images into a single PDF, with optional password protection. * PDF to Image – Convert PDF pages into image files quickly and easily. * Merge PDFs – Combine multiple PDF files into a single document. * Split PDF – Extract selected pages or split a PDF into separate documents. * Compress PDF – Reduce PDF file size while keeping your documents easy to use and share. * Organise PDF – Manage, reorder, remove, and organize PDF pages with ease. * Sign PDF – Add your signature to PDF documents quickly and conveniently. * PDF History – Quickly access your recently processed PDF files. * Multiple Languages – Available in English, Hindi, French, German, Russian, Japanese, and more. * Settings & Support – Customize your experience and get help whenever you need it. 100% Offline & Secure Your files never leave your device. PDF Unlock processes your PDFs locally without requiring an internet connection. Your documents and saved PDF passwords stay on your device instead of being uploaded to a cloud server. One app for your everyday PDF needs, wherever you work. Is a Subscription/In-App Purchase Required? Yes. A subscription or lifetime purchase is required to access all current and upcoming premium features. What Do You Get After Subscribing? Premium gives you full access to all current and upcoming features of PDF Unlock. No additional payments are required. All included features are available with your active subscription. Is a Free Trial Available? Yes. A 3-day free trial is available so you can explore the app before subscribing. Subscription Terms: • Monthly, Yearly, and Lifetime purchase options are available. • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current subscription period. • Your account will be charged for renewal within 24 hours before the end of the current period. • You can manage or cancel your subscription at any time through your App Store account settings. Terms of use: https://sites.google.com/view/appsadore/term Privacy policy: https://sites.google.com/view/appsadore/privacy Support: Need help? Have a question or feedback? Contact us at appsadoretech@gmail.com.

About

PDF Lite

Features
Read full description

PDF Lite is a complete PDF editor that works offline. No account and no uploads to us: your documents stay on your iPhone or iPad, or in your own iCloud Drive if you turn sync on. Open any PDF straight from Mail, Safari, WhatsApp or Files with "Open in PDF Lite" or the share sheet, then edit, sign, convert and protect it on the device. EDIT • Edit existing text: change words, font, size, bold, italic, colour and alignment • Add text and images, then move, resize or replace them later • Watermarks, headers and footers, Bates numbers, backgrounds, links and bookmarks FILL & SIGN • Fill any form; type text, ticks, dates and initials • Draw or type your signature • Certified digital signatures (PAdES) with your own ID, and signature validation • Design forms: add fields, auto-detect them, set the tab order, export the data CONVERT • Word, Excel, PowerPoint, Pages, Numbers, Keynote, web pages, RTF, text and CSV to PDF, on the device • PDF to Word, Excel, PowerPoint, HTML, RTF, text or images • Turn photos into PDF; compress PDFs for email SCAN & OCR • Scan paper documents with the camera • ID card mode puts the front and back on one page at real size • Receipt mode reads the shop, date and total and names the file for you • Book mode splits two-page spreads; enhanced, grayscale and black-and-white filters • On-device text recognition makes scans searchable and copyable READ • Read Aloud highlights each word as it is spoken • Reading mode reflows text with adjustable size, sepia and night themes • Apple Pencil palette with marker and eraser, double tap and squeeze; tabs on iPad • Summarize a document or ask it questions with Apple Intelligence on supported devices, and translate PDFs with Apple's on-device translation. Nothing is sent to a server. ORGANISE & SYNC • Merge, split, reorder, rotate, extract, crop and delete pages • Optional iCloud Drive folder, in sync on your iPhone, iPad and Mac; both versions kept if a file changes on two devices • Shortcuts and Siri actions, Spotlight search and Home and Lock Screen widgets PROTECT & REVIEW • AES-256 passwords and print, copy and edit restrictions • True redaction that removes text, not just covers it • Highlight, comment, stamps and a comment manager • Compare two versions of a document and see every change • PDF/A conversion and an accessibility checker Reading and opening PDFs, scanning, iCloud Drive sync, Spotlight and widgets are free. Premium tools are available with a yearly subscription or a one-time lifetime purchase. PRIVACY & TERMS Privacy Policy: https://nahitfidanci.com/pdf-lite/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Unlock4 screens
PDF Lite4 screens

Verdict

The call

PDF Unlock and PDF Lite are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Unlock sells 6 in-app purchases, starting at $0.99 per month and PDF Lite sells 4 in-app purchases, starting at $15.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Unlock ships an update every 8 days, PDF Lite every 2 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

ScorecardNo meaningful differences
PDF Unlock versus PDF Lite: the parameters behind the verdict, then further details
ParameterPDF UnlockPDF Lite
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews90.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 8 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS15.6 — better16.0
Further details — not scored
Size79 MB46 MB
Age rating4+4+
DeveloperDipak ChhagFerda Nahit Fidanci

In-app purchases

6 purchases

PDF Unlock

Subscriptions4
  • PDF Unlock:Offline PDF Tool-Monthly$0.991 Month
  • PDF Unlock Genie - Monthly3 Days trial$2.991 Month
  • PDF Unlock:Offline PDF Tool-Annual$6.991 Year
Show 1 more
  • PDF Unlock Genie - Yearly3 Days trial$19.991 Year
One-time2
  • PDF Unlock Genie - Lifetime$14.99
  • PDF Unlock Genie - Lifetime$39.99
4 purchases

PDF Lite

Subscriptions2
  • Premium Yearly7 Days trial$15.991 Year
  • PDF Lite Premium1 Year trial$15.991 Year
One-time2
  • PDF Lite Lifetime$23.99
  • PDF Lite Unlock$31.99

Questions

Is PDF Unlock free?
PDF Unlock is free to download, with in-app purchases available.
Is PDF Lite free?
PDF Lite is free to download, with in-app purchases available.
Do PDF Unlock or PDF Lite have ads?
Neither PDF Unlock nor PDF Lite shows ads.
Which is updated more often, PDF Unlock or PDF Lite?
PDF Unlock ships an update every 8 days, and PDF Lite every 2 weeks. Most recently, PDF Unlock was updated on October 24, 2026 and PDF Lite on October 26, 2026.

Other comparisons