# PdfToolBox vs SmartUs

The clearest difference is ads: PdfToolBox at none against SmartUs's shown. PdfToolBox also leads on device support (3 vs 1). SmartUs's advantage is update cadence (daily vs every 4 days). On price, in-app purchases 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.

PdfToolBox ships an update every 4 days, SmartUs daily. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PdfToolBox | SmartUs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Daily** |
| Size | 5 MB | 8 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hidayet Balin](https://appshunter.io/developer/1861412496) | [Furkan Ali Donmez](https://appshunter.io/developer/6792328348) |

## What reviewers say

### PdfToolBox

[App page](https://appshunter.io/ios/app/pdftoolbox/id6756569800)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartUs

[App page](https://appshunter.io/ios/app/smartus-tv-remote-control/id6792328346)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PdfToolBox free?

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

### Is SmartUs free?

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

### Do PdfToolBox or SmartUs have ads?

SmartUs shows ads; PdfToolBox does not.

### Which is updated more often, PdfToolBox or SmartUs?

PdfToolBox ships an update every 4 days, and SmartUs daily. Most recently, PdfToolBox was updated on September 11, 2026 and SmartUs on September 10, 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.*