# DIGITAL SEAL vs PDF Reader

The clearest difference is in-app purchases: DIGITAL SEAL at none against PDF Reader's 1. DIGITAL SEAL also leads on update cadence (fortnightly vs every 2 months). PDF Reader's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. PDF Reader sells 1 one-off in-app purchase. DIGITAL SEAL asks for nothing beyond the download.

DIGITAL SEAL ships an update fortnightly, PDF Reader every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DIGITAL SEAL | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 70 MB | 29 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [OVD Kinegram AG](https://appshunter.io/developer/1294579570) | [QuelTel GmbH](https://appshunter.io/developer/1720967423) |

## What reviewers say

### DIGITAL SEAL

[App page](https://appshunter.io/ios/app/digital-seal-id-and-nfc-reader/id1294580051)

This app demonstrates advanced identity document verification technology. It allows users to scan and verify passports, IDs, and driver's licenses using NFC chips and optical security features. It's designed for software companies and integrators building their own identity verification solutions.

**Highlights:** NFC chip verification for passports and IDs, MRZ, 2D barcode, and license plate scanning, Visual inspection of document security features, Online and offline verification modes, Reference database of global travel documents, Demonstrates Mobile SDK capabilities

**Features:** Vision Pro support

**In-app purchases:** none


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-werbefrei/id6785439715)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vollversion | $8.99 | one-time |


## Frequently asked questions

### Is DIGITAL SEAL free?

DIGITAL SEAL is free to download, with no in-app purchases.

### Is PDF Reader free?

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

### Do DIGITAL SEAL or PDF Reader have ads?

Neither DIGITAL SEAL nor PDF Reader shows ads.

### Which is updated more often, DIGITAL SEAL or PDF Reader?

DIGITAL SEAL ships an update fortnightly, and PDF Reader every 2 months. Most recently, DIGITAL SEAL was updated on October 24, 2026 and PDF Reader 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.*