# PDF Support vs Trợ lý Scan

The clearest difference is in-app purchases: Trợ lý Scan at none against PDF Support's 2. PDF Support's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | PDF Support | Trợ lý Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | — |
| Size | 36 MB | 37 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenny Deployment Limited](https://appshunter.io/developer/1622804770) | [Thanh Lam Le](https://appshunter.io/developer/6805475006) |

## 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 |


### Trợ lý Scan

[App page](https://appshunter.io/ios/app/tro-ly-scan/id6818677382)

**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 Trợ lý Scan free?

Trợ lý Scan is free to download, with no in-app purchases.

### Do PDF Support or Trợ lý Scan have ads?

Trợ lý Scan shows ads; PDF Support does not.

---

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