# Power PDF vs PDF Secure

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.

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.

## The numbers

| Metric | Power PDF | PDF Secure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1K ratings)](https://appshunter.io/ios/app/power-pdf-pdf-manager/id592355306/reviews) | **[4.9 (376 ratings)](https://appshunter.io/ios/app/pdf-secure/id1515466852/reviews)** |
| Number of ratings | **1K** | 376 |
| Positive reviews | 65.0% of reviews | **98.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 75 MB | 1 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ComcSoft Corporation](https://appshunter.io/developer/413971334) | [iSolid apps](https://appshunter.io/developer/1215383083) |

## What reviewers say

### Power PDF

[App page](https://appshunter.io/ios/app/power-pdf-pdf-manager/id592355306)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Handles all types of documents easily
- 💡 Powerful features in free version
- 👍 Quick and easy to convert photos to PDF
- 🚀 Works well for splitting and merging PDFs

**What reviewers complain about**

- 🐛 Full of annoying pop-ups and ads
- 🔒 Requires paid upgrade to access certain features
- 🐛 Buggy, crashes frequently
- 🐛 Can't open or download files in free version
- 🐛 Can't rearrange pages in PDF without paid upgrade

**Reported bugs**

- Landscape-only mode
- Text recognition produces gibberish
- Inability to undo annotations
- Issues with converting photos to PDF

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/pdf-secure/id1515466852)

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.

**Highlights:** Password protect PDF documents, Remove PDF password protection, Cross-platform compatibility, Export to various locations, Dark mode support

**In-app purchases:** none


## Frequently asked questions

### Is Power PDF free?

Power PDF is free to download, with in-app purchases available.

### Is PDF Secure free?

PDF Secure is free to download, with no in-app purchases.

### Which has better reviews, Power PDF or PDF Secure?

PDF Secure is rated higher. Power PDF averages 4.8 out of 5 from 1K ratings, while PDF Secure averages 4.9 from 376 ratings.

### Do Power PDF or PDF Secure have ads?

Power PDF shows ads; PDF Secure does not.

### Which is updated more often, Power PDF or PDF Secure?

Power PDF ships an update every 3 months, and PDF Secure every 9 months. Most recently, Power PDF was updated on September 21, 2026 and PDF Secure on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*