# SRIT SeQR Scan vs PDF Compressor

The clearest difference is in-app purchases: SRIT SeQR Scan at none against PDF Compressor's 4. SRIT SeQR Scan also leads on iOS requirement (11.0 vs 17.0). PDF Compressor's advantage is update cadence (every 6 weeks vs every 32 months). On price, ads and device support there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days. SRIT SeQR Scan asks for nothing beyond the download.

SRIT SeQR Scan ships an update every 32 months, PDF Compressor every 6 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SRIT SeQR Scan | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (84 ratings)](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989/reviews)** |
| Number of ratings | — | **84** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 61 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SECURITY SOFTWARE & SOLUTIONS LLP](https://appshunter.io/developer/1212339368) | [NextPixel apps](https://appshunter.io/developer/1584487280) |

## What reviewers say

### SRIT SeQR Scan

[App page](https://appshunter.io/ios/app/srit-seqr-scan/id6450693066)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989)

Reduce the size of your PDF documents without sacrificing quality. Optimize PDFs for storage, sharing, and faster loading. Effortlessly manage and share your compressed files anywhere.

**Highlights:** Efficient PDF compression, Retain document quality, User-friendly file management, Easy sharing via multiple platforms, Optimize for storage and transfer

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| File Compressor - PDF | $4.99 | per 7 days |
| File Compressor - PDF | $7.99 | per 7 days |
| PDF Compressor - Resize file | $9.99 | per month |


## Frequently asked questions

### Is SRIT SeQR Scan free?

SRIT SeQR Scan is free to download, with no in-app purchases.

### Is PDF Compressor free?

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

### Do SRIT SeQR Scan or PDF Compressor have ads?

Neither SRIT SeQR Scan nor PDF Compressor shows ads.

### Which is updated more often, SRIT SeQR Scan or PDF Compressor?

SRIT SeQR Scan ships an update every 32 months, and PDF Compressor every 6 weeks. Most recently, SRIT SeQR Scan was updated on October 10, 2026 and PDF Compressor on October 15, 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.*