# SwiftPDF vs PDF Fast AI

The clearest difference is ads: SwiftPDF at none against PDF Fast AI's shown. PDF Fast AI's advantage is update cadence (every 6 days vs every 13 months). 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.

SwiftPDF ships an update every 13 months, PDF Fast AI every 6 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SwiftPDF | PDF Fast AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 6 days** |
| Size | 44 MB | 79 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IINTERGO PTE. LTD.](https://appshunter.io/developer/1703199328) | [Ashore Limited](https://appshunter.io/developer/6785806448) |

## What reviewers say

### SwiftPDF

[App page](https://appshunter.io/ios/app/swiftpdf/id6747748418)

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

**In-app purchases:** none


### PDF Fast AI

[App page](https://appshunter.io/ios/app/pdf-fast-ai/id6794186519)

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

**In-app purchases:** none


## Frequently asked questions

### Is SwiftPDF free?

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

### Is PDF Fast AI free?

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

### Do SwiftPDF or PDF Fast AI have ads?

PDF Fast AI shows ads; SwiftPDF does not.

### Which is updated more often, SwiftPDF or PDF Fast AI?

SwiftPDF ships an update every 13 months, and PDF Fast AI every 6 days. Most recently, SwiftPDF was updated on October 12, 2026 and PDF Fast AI on October 13, 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.*