# PDF Support vs ISP Sunergy

The clearest difference is in-app purchases: ISP Sunergy at none against PDF Support's 2. ISP Sunergy also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Support sells 2 in-app purchases, starting at $4.99 per 7 days. ISP Sunergy asks for nothing beyond the download.

## The numbers

| Metric | PDF Support | ISP Sunergy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Size | 36 MB | 35 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kenny Deployment Limited](https://appshunter.io/developer/1622804770) | [K NET LAB SDN BHD](https://appshunter.io/developer/1756029724) |

## What reviewers say

### PDF Support

[App page](https://appshunter.io/ios/app/pdf-support-scan-edit-sign/id1626463306)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| 1 week Premium | $7.99 | per 7 days |


### ISP Sunergy

[App page](https://appshunter.io/ios/app/isp-sunergy/id6759032972)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Support free?

PDF Support is free to download, with in-app purchases available.

### Is ISP Sunergy free?

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

### Do PDF Support or ISP Sunergy have ads?

Neither PDF Support nor ISP Sunergy 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.*