# PDF Scanner Converter Document vs Saykal TPMS

The clearest difference is in-app purchases: Saykal TPMS at none against PDF Scanner Converter Document's 14. Saykal TPMS also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner Converter Document sells 13 in-app purchases, starting at $3.99 per 7 days. Saykal TPMS asks for nothing beyond the download.

PDF Scanner Converter Document ships an update every 11 days, Saykal TPMS every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Scanner Converter Document | Saykal TPMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (78 ratings)](https://appshunter.io/ios/app/pdf-scanner-converter-document/id1552902248/reviews)** | — |
| Number of ratings | **78** | — |
| Positive reviews | 26.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 25 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TERALIX LTD](https://appshunter.io/developer/6771672730) | [Saykal Elektronik A.Ş.](https://appshunter.io/developer/1844347156) |

## What reviewers say

### PDF Scanner Converter Document

[App page](https://appshunter.io/ios/app/pdf-scanner-converter-document/id1552902248)

Transform your smartphone into a versatile document scanner and editor. Easily scan, convert, and manage various file types, including images to PDF. Features include PDF editing, signing, printing, a math equation solver, real-time ruler, and QR code scanning.

**Highlights:** Document scanning with smart edge detection, Convert images and documents to PDF, Edit PDFs with annotations and signatures, Import/export various file formats, Math equation solver, Real-time distance measurement, QR code scanner

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe weekly | $3.99 | per 7 days |
| Subscribe monthly | $4.99 | per month |
| Subscribe monthly | $6.99 | per month |
| Premium version | $6.99 | per 7 days |
| Subscribe Monthly | $6.99 | per month |
| Subscribe monthly | $7.99 | per month |
| Premium Access | $7.99 | per 7 days |
| PDF Year Subscription | $29.99 | per year |
| PDF Year Subscription | $39.99 | per year |
| Subscribe annually | $39.99 | per year |
| Best solution for everyone | $39.99 | per year |
| Best solution for everyone | $39.99 | per year |
| PDF Scanner - Premium FOREVER | $49.99 | one-time |


### Saykal TPMS

[App page](https://appshunter.io/ios/app/saykal-tpms/id6753678710)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner Converter Document free?

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

### Is Saykal TPMS free?

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

### Do PDF Scanner Converter Document or Saykal TPMS have ads?

PDF Scanner Converter Document shows ads; Saykal TPMS does not.

### Which is updated more often, PDF Scanner Converter Document or Saykal TPMS?

PDF Scanner Converter Document ships an update every 11 days, and Saykal TPMS every 3 weeks. Most recently, PDF Scanner Converter Document was updated on October 29, 2026 and Saykal TPMS on October 25, 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.*