# PDF Reader vs Claw_Machine

The clearest difference is ads: Claw_Machine at none against PDF Reader's shown. Claw_Machine also leads on update cadence (every 4 days vs every 113 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.

PDF Reader ships an update every 113 months, Claw_Machine every 4 days. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Reader | Claw_Machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 113 months | **Every 4 days** |
| Size | 9 MB | 19 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Lebi Computer Technology Co. Ltd.](https://appshunter.io/developer/1004823999) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-view/id1084658552)

**Features:** macOS Compatibility

**In-app purchases:** none


### Claw_Machine

[App page](https://appshunter.io/ios/app/claw-machine/id6761172819)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Claw_Machine free?

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

### Do PDF Reader or Claw_Machine have ads?

PDF Reader shows ads; Claw_Machine does not.

### Which is updated more often, PDF Reader or Claw_Machine?

PDF Reader ships an update every 113 months, and Claw_Machine every 4 days. Most recently, PDF Reader was updated on October 21, 2026 and Claw_Machine on October 12, 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.*