# ZAP PDF Plus vs QR Code Reader

The clearest difference is in-app purchases: ZAP PDF Plus at none against QR Code Reader's 4. QR Code Reader's advantage is rating (4.9 vs 4.5) and update cadence (weekly vs fortnightly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. QR Code Reader sells 4 in-app purchases, starting at $3.99 per 7 days. ZAP PDF Plus asks for nothing beyond the download.

QR Code Reader holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 25 and 16 respectively.

ZAP PDF Plus ships an update fortnightly, QR Code Reader weekly. The most recent releases landed on September 14, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | ZAP PDF Plus | QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (25 ratings)](https://appshunter.io/ios/app/zap-pdf-plus-scan-and-reader/id6502543748/reviews) | **[4.9 (16 ratings)](https://appshunter.io/ios/app/qr-code-reader-ai-scan/id6745132899/reviews)** |
| Number of ratings | **25** | 16 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 52 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Dance Elephant Technology Co., LTD.](https://appshunter.io/developer/1741861571) | [Elite Wealth Co., Ltd.](https://appshunter.io/developer/1784660633) |

## What reviewers say

### ZAP PDF Plus

[App page](https://appshunter.io/ios/app/zap-pdf-plus-scan-and-reader/id6502543748)

This app offers a comprehensive suite of tools for managing and editing PDF documents, alongside AI-powered photo enhancement features. It allows for quick document processing, image retouching, and efficient file compression, all within a user-friendly interface.

**Highlights:** Intuitive PDF editor, Annotation, merging, and splitting tools, AI-powered photo retouching, Image and video compression, No watermarks

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

**In-app purchases:** none


### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-ai-scan/id6745132899)

Instantly scan QR codes and barcodes with an AI-powered engine. Identify plants, animals, and objects using your camera. Offers design tools for custom codes and intelligent history management.

**Highlights:** AI-powered QR/barcode scanning, Object identification (plants, animals, products), Custom QR code design tools, Intelligent scan history, Privacy-focused data processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Monthly Access | $9.99 | per month |
| Limited Offer | $35.99 | per year |
| Yearly Access | $59.99 | per year |


## Frequently asked questions

### Is ZAP PDF Plus free?

ZAP PDF Plus is free to download, with no in-app purchases.

### Is QR Code Reader free?

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

### Which has better reviews, ZAP PDF Plus or QR Code Reader?

QR Code Reader is rated higher. ZAP PDF Plus averages 4.5 out of 5 from 25 ratings, while QR Code Reader averages 4.9 from 16 ratings.

### Do ZAP PDF Plus or QR Code Reader have ads?

Neither ZAP PDF Plus nor QR Code Reader shows ads.

### Which is updated more often, ZAP PDF Plus or QR Code Reader?

ZAP PDF Plus ships an update fortnightly, and QR Code Reader weekly. Most recently, ZAP PDF Plus was updated on September 14, 2026 and QR Code Reader on August 17, 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.*