# ZEN PDF PRO vs ZAP PDF Plus

The clearest difference is rating: ZAP PDF Plus at 4.5 against ZEN PDF PRO's 4.1. ZEN PDF PRO's advantage is ratings volume (1.5K vs 25). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZAP PDF Plus holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: ZEN PDF PRO has 1.5K ratings behind it against 25, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ZEN PDF PRO | ZAP PDF Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (1.5K ratings)](https://appshunter.io/ios/app/zen-pdf-pro/id6450250043/reviews) | **[4.5 (25 ratings)](https://appshunter.io/ios/app/zap-pdf-plus-scan-and-reader/id6502543748/reviews)** |
| Number of ratings | **1.5K** | 25 |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 46 MB | 45 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EINMOB LIMITED](https://appshunter.io/developer/1692475934) | [Chengdu Dance Elephant Technology Co., LTD.](https://appshunter.io/developer/1741861571) |

## What reviewers say

### ZEN PDF PRO

[App page](https://appshunter.io/ios/app/zen-pdf-pro/id6450250043)

Transform your phone into a portable scanner and professional document editor. Easily convert images to PDF, merge or split files, and enhance scanned documents with smart editing tools. Securely store and share your files with a minimalist, intuitive interface.

**Highlights:** Portable scanner, PDF editing, Image to PDF conversion, File merging and splitting, Smart image editing, Encrypted local storage, Direct PDF printing

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ZEN PDF PRO free?

ZEN PDF PRO is free to download, with no in-app purchases.

### Is ZAP PDF Plus free?

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

### Which has better reviews, ZEN PDF PRO or ZAP PDF Plus?

ZAP PDF Plus is rated higher. ZEN PDF PRO averages 4.1 out of 5 from 1.5K ratings, while ZAP PDF Plus averages 4.5 from 25 ratings.

### Do ZEN PDF PRO or ZAP PDF Plus have ads?

Neither ZEN PDF PRO nor ZAP PDF Plus shows ads.

### Which is updated more often, ZEN PDF PRO or ZAP PDF Plus?

ZEN PDF PRO ships an update fortnightly, and ZAP PDF Plus fortnightly. Most recently, ZEN PDF PRO was updated on September 21, 2026 and ZAP PDF Plus on September 14, 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.*