# QR Code Inspector vs PDF Size Reducer

The clearest difference is in-app purchases: QR Code Inspector at none against PDF Size Reducer's 3. QR Code Inspector also leads on ads (none vs shown). PDF Size Reducer's advantage is update cadence (every 8 days vs every 25 months) and iOS requirement (16.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. PDF Size Reducer sells 3 in-app purchases, starting at $1.99 per 7 days. QR Code Inspector asks for nothing beyond the download.

QR Code Inspector ships an update every 25 months, PDF Size Reducer every 8 days. The most recent releases landed on September 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QR Code Inspector | PDF Size Reducer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pdf-size-reducer-pdfbuddy/id6757869694/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 22 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Easy Simple Smart](https://appshunter.io/developer/1517332870) | [App Vista Studio](https://appshunter.io/developer/1566540600) |

## What reviewers say

### QR Code Inspector

[App page](https://appshunter.io/ios/app/qr-code-inspector/id6474573609)

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

**In-app purchases:** none


### PDF Size Reducer

[App page](https://appshunter.io/ios/app/pdf-size-reducer-pdfbuddy/id6757869694)

Easily scan documents, convert images and text to PDF, and manage your files on the go. This app offers essential tools for creating, editing, and signing PDFs with a simple interface.

**Highlights:** Scan documents to PDF, Convert images and text to PDF, Convert PDFs to images and Word documents, Merge and split PDF files, Compress PDF size, Add watermarks and signatures, Secure and share PDFs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $1.99 | per 7 days |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is QR Code Inspector free?

QR Code Inspector is free to download, with no in-app purchases.

### Is PDF Size Reducer free?

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

### Do QR Code Inspector or PDF Size Reducer have ads?

PDF Size Reducer shows ads; QR Code Inspector does not.

### Which is updated more often, QR Code Inspector or PDF Size Reducer?

QR Code Inspector ships an update every 25 months, and PDF Size Reducer every 8 days. Most recently, QR Code Inspector was updated on September 27, 2026 and PDF Size Reducer on October 24, 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.*