# PDF Signature Assistant vs CellArc

The clearest difference is price: PDF Signature Assistant at $0.99 against CellArc's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PDF Signature Assistant costs $0.99 and CellArc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PDF Signature Assistant | CellArc |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 6 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### PDF Signature Assistant

[App page](https://appshunter.io/ios/app/pdf-signature-assistant/id6767478135)

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

**In-app purchases:** none


### CellArc

[App page](https://appshunter.io/ios/app/cellarc/id6771021156)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Signature Assistant free?

PDF Signature Assistant costs $0.99, with no in-app purchases.

### Is CellArc free?

CellArc costs $1.99, with no in-app purchases.

### Do PDF Signature Assistant or CellArc have ads?

Neither PDF Signature Assistant nor CellArc shows ads.

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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.*