# SubGuard vs ZAP PDF Plus

The clearest difference is ratings volume: ZAP PDF Plus at 27 against SubGuard's 9. ZAP PDF Plus also leads on iOS requirement (15.0 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for SubGuard against 4.5 for ZAP PDF Plus. Both are backed by a comparable volume of ratings — 9 and 27 respectively.

SubGuard ships an update every 9 days, ZAP PDF Plus fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | SubGuard | ZAP PDF Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/subguard-private-sub-tracker/id6447958086/reviews)** | [4.5 (27 ratings)](https://appshunter.io/ios/app/zap-pdf-plus-scan-and-reader/id6502543748/reviews) |
| Number of ratings | 9 | **27** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 16 MB | 46 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MEGAMOBI LIMITED](https://appshunter.io/developer/1683100389) | [Chengdu Dance Elephant Technology Co., LTD.](https://appshunter.io/developer/1741861571) |

## What reviewers say

### SubGuard

[App page](https://appshunter.io/ios/app/subguard-private-sub-tracker/id6447958086)

This utility app offers lightning-fast QR and barcode scanning with AI-powered identification for plants, animals, and more. Its lightweight design and intuitive interface make it easy to use for everyday tasks, from checking prices to learning about the world around you.

**Highlights:** Lightning-fast QR/barcode scanning, AI recognition for plants, animals, cars, Built-in flash for low-light scanning, Simple, lightweight, and intuitive interface, Save and organize scanned information, Generate QR codes

**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 SubGuard free?

SubGuard 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, SubGuard or ZAP PDF Plus?

SubGuard is rated higher. SubGuard averages 4.6 out of 5 from 9 ratings, while ZAP PDF Plus averages 4.5 from 27 ratings.

### Do SubGuard or ZAP PDF Plus have ads?

Neither SubGuard nor ZAP PDF Plus shows ads.

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

SubGuard ships an update every 9 days, and ZAP PDF Plus fortnightly. Most recently, SubGuard was updated on October 24, 2026 and ZAP PDF Plus 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.*