# PDFly vs EchoPDF Ai

The clearest difference is ads: EchoPDF Ai at none against PDFly's shown. PDFly's advantage is update cadence (every 11 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PDFly ships an update every 11 days, EchoPDF Ai monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | PDFly | EchoPDF Ai |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Ad-supported | — |
| Size | 36 MB | 644 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [野 徐](https://appshunter.io/developer/1742671206) | [UNLIMITED BURST TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1842058922) |

## What reviewers say

### 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

**In-app purchases:** none


### EchoPDF Ai

[App page](https://appshunter.io/ios/app/echopdf-ai/id6761255593)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDFly free?

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

### Is EchoPDF Ai free?

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

### Do PDFly or EchoPDF Ai have ads?

PDFly shows ads; EchoPDF Ai does not.

### Which is updated more often, PDFly or EchoPDF Ai?

PDFly ships an update every 11 days, and EchoPDF Ai monthly. Most recently, PDFly was updated on September 18, 2026 and EchoPDF Ai on September 21, 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.*