# PDF Expert Viewer vs PDFly

PDF Expert Viewer and PDFly 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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Expert Viewer ships an update weekly, PDFly every 10 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Expert Viewer | PDFly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdfly-pdf-editor-and-scanner/id6754668284/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | — | Ad-supported |
| Size | 64 MB | 36 MB |
| Requires iOS | **15** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) | [野 徐](https://appshunter.io/developer/1742671206) |

## What reviewers say

### PDF Expert Viewer

[App page](https://appshunter.io/ios/app/pdf-expert-viewer/id6746780454)

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

**In-app purchases:** none


### PDFly

[App page](https://appshunter.io/ios/app/pdfly-pdf-editor-and-scanner/id6754668284)

Transform photos and documents into professional PDFs with powerful OCR and editing tools. Manage your files securely and efficiently, online or offline. This app simplifies your document workflow for any use.

**Highlights:** Scan documents to PDF, Convert images to PDF, OCR text recognition, Edit PDF text and add annotations, Secure file management with passwords, Online and offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Expert Viewer free?

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

### Is PDFly free?

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

### Do PDF Expert Viewer or PDFly have ads?

Both PDF Expert Viewer and PDFly show ads.

### Which is updated more often, PDF Expert Viewer or PDFly?

PDF Expert Viewer ships an update weekly, and PDFly every 10 days. Most recently, PDF Expert Viewer was updated on November 8, 2026 and PDFly on October 30, 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.*