Power PDF vs PDF Secure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Power PDF
Create, modify, and secure PDF documents on your mobile device. Convert various file types and photos to PDF, scan documents with your camera, and manage files with a built-in file manager. View, annotate, and search within PDF documents with ease.
- Create PDFs from DOC, XLS, PPT, TXT, and photos
- Scan to PDF using camera
- Combine, split, delete, and reorder PDF pages
- Add password protection to PDFs
- View, search, and annotate PDFs
- File management: rename, delete, move, create folders
- Import files from Camera Roll, Email, and other apps
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Power PDF is a powerful tool to create, secure and view PDF documents on iPad/iPhone. Power PDF lets you create PDF documents on your iPhone/iPad with ease. It supports: - Create PDF documents from many file types, including: DOC, XLS, PPT, TXT, RTF, XML, HTML and all text files. - Convert photos to a PDF document. - Scan to a PDF document using your Camera. Power PDF lets you modify PDF documents on your iPhone/iPad with ease. It supports: - Combine PDF documents. - Split a PDF document into two or more documents. - Delete pages in a PDF document. - Re-arrange pages in a PDF document. - Add password protection to a PDF document. Power PDF lets you view PDF documents with ease. It supports: - View PDF documents in thumbnail or full screen modes. - Extract text from a PDF document. - Add bookmarks on a PDF document. - Search within a PDF document. - Fast Navigate within a PDF document. - Zooms in/Zooms out on a PDF document. - Annotate in a PDF document. Power PDF also has a File Manager, which supports the following features: - Import files from your Camera Roll, Email or another App through “Open In”. - Manage Files including: rename, delete, move, create folder and sort. - Search file name in Local Files and Camera Roll. - Open many document types, including: DOC, EXCEL, PPT, TXT, image files, and audio files. With its simple interfaces, Power PDF provides the easiest way to manage PDF documents on iPhone and iPad. If you have more questions, please visit: http://www.comcsoft.com/Portfolio/our_apps/PowerPDF/PowerPDF_overview.php.
PDF Secure
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.
- Password protect PDF documents
- Remove PDF password protection
- Cross-platform compatibility
- Export to various locations
- Dark mode support
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Protect your PDF documents with a password. The PDF won't open without the password. It works on any platform. PDF Secure also allows you to completely remove the password protection of a document. Using PDF Secure is very simple: • Select a PDF document from your files • Choose a password (ideally strong) and do not forget it • Export anywhere (Files app, any cloud drive, E-mail, AirDrop, Messages, ...) → The password will now be requested at any attempt to open the PDF (on all platforms) PDF Secure is compatible with the dark mode. And it's 100% free (no in-app purchases, no ads). NO DATA COLLECTION. Everything happens on device. Your privacy matters. Enjoy!
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Secure at none against Power PDF's 1. PDF Secure also leads on ads (none vs shown) and review sentiment (99% vs 65%). Power PDF's advantage is update cadence (every 3 months vs every 9 months). On price, rating, ratings volume 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
Both are free to download. Power PDF sells 1 one-off in-app purchase. PDF Secure asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Power PDF against 4.9 for PDF Secure. Both are backed by a comparable volume of ratings — 1K and 376 respectively. Written reviews are what separate them: 65% of Power PDF's written reviews are positive against 99% of PDF Secure's.
Power PDF ships an update every 3 months, PDF Secure every 9 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.
| Parameter | Power PDF | PDF Secure |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1K ratings) | 4.9 (376 ratings) — better |
| Positive reviews | 65.0% of reviews | 98.8% of reviews — better |
| Number of ratings | 1K — better | 376 |
| Update frequency | Every 3 months — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 75 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | ComcSoft Corporation | iSolid apps |
Customer experience
Power PDF
PDF Secure
Bugs and requests
Power PDF
Reported bugs
4 issues- Landscape-only mode
- Text recognition produces gibberish
- Inability to undo annotations
- Issues with converting photos to PDF
Requested features
4 requests- Auto-rotate PDF pages to fit screen
- Batch conversion of photos to PDF
- Integration with cloud storage services like Dropbox
- Ability to edit and annotate PDF files
PDF Secure
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Power PDF
- Premium$4.99
PDF Secure
No in-app purchases
Questions
Is Power PDF free?
Is PDF Secure free?
Which has better reviews, Power PDF or PDF Secure?
Do Power PDF or PDF Secure have ads?
Which is updated more often, Power PDF or PDF Secure?
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