# Logo QR Barcode Scanner vs SecureDocs Sentry

The clearest difference is update cadence: Logo QR Barcode Scanner at every 4 months against SecureDocs Sentry's every 9 months. Logo QR Barcode Scanner also leads on iOS requirement (9.1 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Logo QR Barcode Scanner ships an update every 4 months, SecureDocs Sentry every 9 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Logo QR Barcode Scanner | SecureDocs Sentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/logo-qr-barcode-scanner/id1142976425/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free | — |
| Size | 4 MB | 73 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Funcode Technology](https://appshunter.io/developer/435185017) | [Troy Group, Inc.](https://appshunter.io/developer/1294696579) |

## What reviewers say

### Logo QR Barcode Scanner

[App page](https://appshunter.io/ios/app/logo-qr-barcode-scanner/id1142976425)

Transform your mobile device into a powerful industrial 2D barcode scanner. It supports a wide array of 1D and 2D barcode types with high-speed scanning and robust decoding capabilities, even for challenging codes.

**Highlights:** Supports 16 types of 1D/2D barcodes, High-speed industrial scanning algorithm, Powerful decoding capacity, Scans tiny, damaged, or low-quality QR codes, Scans from pictures in album, Continuous scanning mode

**Features:** macOS Compatibility

**In-app purchases:** none


### SecureDocs Sentry

[App page](https://appshunter.io/ios/app/securedocs-sentry/id6739139524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logo QR Barcode Scanner free?

Logo QR Barcode Scanner is free to download, with no in-app purchases.

### Is SecureDocs Sentry free?

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

### Do Logo QR Barcode Scanner or SecureDocs Sentry have ads?

Neither Logo QR Barcode Scanner nor SecureDocs Sentry shows ads.

### Which is updated more often, Logo QR Barcode Scanner or SecureDocs Sentry?

Logo QR Barcode Scanner ships an update every 4 months, and SecureDocs Sentry every 9 months. Most recently, Logo QR Barcode Scanner was updated on November 6, 2026 and SecureDocs Sentry on October 30, 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.*