# Simple PDF Assistant vs Fast PDF Editor

The clearest difference is ads: Fast PDF Editor at none against Simple PDF Assistant's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

Simple PDF Assistant ships an update every 4 days, Fast PDF Editor every 2 days. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Simple PDF Assistant | Fast PDF Editor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 8 MB | 76 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ut Nguyen Thi Bach](https://appshunter.io/developer/6780327646) | [雅丽 银](https://appshunter.io/developer/1838360177) |

## What reviewers say

### Simple PDF Assistant

[App page](https://appshunter.io/ios/app/simple-pdf-assistant/id6782833303)

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

**In-app purchases:** none


### Fast PDF Editor

[App page](https://appshunter.io/ios/app/fast-pdf-editor/id6788446893)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple PDF Assistant free?

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

### Is Fast PDF Editor free?

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

### Do Simple PDF Assistant or Fast PDF Editor have ads?

Simple PDF Assistant shows ads; Fast PDF Editor does not.

### Which is updated more often, Simple PDF Assistant or Fast PDF Editor?

Simple PDF Assistant ships an update every 4 days, and Fast PDF Editor every 2 days. Most recently, Simple PDF Assistant was updated on October 1, 2026 and Fast PDF Editor on October 12, 2026.

---

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