# PDF Scanner vs SIS RASTREO

The clearest difference is in-app purchases: SIS RASTREO at none against PDF Scanner's 2. PDF Scanner's advantage is update cadence (every 4 months vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $4.00 per 7 days. SIS RASTREO asks for nothing beyond the download.

PDF Scanner ships an update every 4 months, SIS RASTREO every 9 months. The most recent releases landed on October 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PDF Scanner | SIS RASTREO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Size | 14 MB | 110 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 17+ |
| Developer | [Kelvin Kioko](https://appshunter.io/developer/1757816326) | [COMPANIA PARAGUAYA DE SEGURIDAD ELECTRONICA S.A.](https://appshunter.io/developer/1640767861) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-editor-and-reader/id6651829949)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.00 | per 7 days |
| Monthly | $7.99 | per month |


### SIS RASTREO

[App page](https://appshunter.io/ios/app/sis-rastreo/id6738653894)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner free?

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

### Is SIS RASTREO free?

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

### Do PDF Scanner or SIS RASTREO have ads?

Neither PDF Scanner nor SIS RASTREO shows ads.

### Which is updated more often, PDF Scanner or SIS RASTREO?

PDF Scanner ships an update every 4 months, and SIS RASTREO every 9 months. Most recently, PDF Scanner was updated on October 30, 2026 and SIS RASTREO on October 7, 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.*