# SubGuard vs SmartReaderPDF

The clearest difference is iOS requirement: SmartReaderPDF at 12.0 against SubGuard's 18.0. 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.

SubGuard ships an update every 9 days, SmartReaderPDF weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | SubGuard | SmartReaderPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/subguard-private-sub-tracker/id6447958086/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Size | 16 MB | 44 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MEGAMOBI LIMITED](https://appshunter.io/developer/1683100389) | [JOYFUL DOG (HK) CO., LIMITED](https://appshunter.io/developer/1692727619) |

## 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


### SmartReaderPDF

[App page](https://appshunter.io/ios/app/smartreaderpdf/id6451301078)

**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 SmartReaderPDF free?

SmartReaderPDF is free to download, with no in-app purchases.

### Do SubGuard or SmartReaderPDF have ads?

Neither SubGuard nor SmartReaderPDF shows ads.

### Which is updated more often, SubGuard or SmartReaderPDF?

SubGuard ships an update every 9 days, and SmartReaderPDF weekly. Most recently, SubGuard was updated on October 25, 2026 and SmartReaderPDF on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*