# DAI Security Pro vs QR Code Reader, Barcode Scan

The clearest difference is in-app purchases: DAI Security Pro at none against QR Code Reader, Barcode Scan's 16. DAI Security Pro also leads on iOS requirement (15.6 vs 17.0). QR Code Reader, Barcode Scan's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. QR Code Reader, Barcode Scan sells 15 in-app purchases, starting at $2.99 per 7 days. DAI Security Pro asks for nothing beyond the download.

DAI Security Pro ships an update every 7 months, QR Code Reader, Barcode Scan weekly. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DAI Security Pro | QR Code Reader, Barcode Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (7.6K ratings)](https://appshunter.io/ios/app/qr-code-reader-barcode-scan/id1615788517/reviews)** |
| Number of ratings | — | **7.6K** |
| Positive reviews | — | 23.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 54 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SoftGuard Technologies LLC](https://appshunter.io/developer/1646125906) | [Essa Studio](https://appshunter.io/developer/1773623663) |

## What reviewers say

### DAI Security Pro

[App page](https://appshunter.io/ios/app/dai-security-pro/id1528554664)

**In-app purchases:** none


### QR Code Reader, Barcode Scan

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode-scan/id1615788517)

Instantly scan QR codes, barcodes, and even product photos. This app simplifies everyday tasks like accessing menus, connecting to Wi-Fi, or checking prices. It also allows you to create your own QR codes and convert documents to PDFs.

**Highlights:** Scan QR codes and barcodes, Scan product photos for online search, Generate custom QR codes, Convert documents to PDF, Instant Wi-Fi connection, Access URLs and contacts

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR & Barcode Reader, Generator | $2.99 | per 7 days |
| QR Code Scanner х QR Generator | $3.99 | per month |
| Pro Access | $3.99 | per 7 days |
| The QR Reader х QR Generator | $4.99 | per month |
| Premium Scanner App | $4.99 | per 7 days |
| QR & Barcode Reader, Generator | $5.99 | per 7 days |
| Full Access | $6.99 | per 7 days |
| Full Access | $7.99 | per 7 days |
| Quarterly Subscription | $17.99 | per 3 months |
| 3 Months Pro Subscription | $18.99 | per 3 months |
| Good Scanner | $23.99 | per year |
| Pro access to the app | $23.99 | per 3 months |
| Unlimited Pass+ | $29.99 | per year |
| Pro Forever | $3.99 | one-time |
| Lifetime Access | $19.99 | one-time |

**What reviewers like**

- 👍 Easy and fast
- 🚀 Excellent scanning performance

**What reviewers complain about**

- 💰 Expensive subscription
- 🔒 Lack of transparency on pricing
- 🐛 Unreliable functionality
- 🚫 Forced to pay to use basic features

**Reported bugs**

- Barcode scanning not working properly
- Internal errors when using the app

**Requested features**

- Ability to save scanned barcode images
- Option to cancel subscription


## Frequently asked questions

### Is DAI Security Pro free?

DAI Security Pro is free to download, with no in-app purchases.

### Is QR Code Reader, Barcode Scan free?

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

### Do DAI Security Pro or QR Code Reader, Barcode Scan have ads?

Neither DAI Security Pro nor QR Code Reader, Barcode Scan shows ads.

### Which is updated more often, DAI Security Pro or QR Code Reader, Barcode Scan?

DAI Security Pro ships an update every 7 months, and QR Code Reader, Barcode Scan weekly. Most recently, DAI Security Pro was updated on September 21, 2026 and QR Code Reader, Barcode Scan on October 1, 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.*