# Scanner QR Code & Barcode vs Secret Diary with Locks

The clearest difference is update cadence: Scanner QR Code & Barcode at fortnightly against Secret Diary with Locks's every 3 months. Scanner QR Code & Barcode also leads on review sentiment (67% vs 50%) and iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Scanner QR Code & Barcode sells 3 in-app purchases, starting at $1.49 per month and Secret Diary with Locks sells 1 in-app purchase, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

Scanner QR Code & Barcode ships an update fortnightly, Secret Diary with Locks every 3 months. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Scanner QR Code & Barcode | Secret Diary with Locks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/scanner-qr-code-and-barcode/id1604856705/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 10 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GIA QUANG PHAT JOINT STOCK COMPANY](https://appshunter.io/developer/1586504461) | [Harshad Jadav](https://appshunter.io/developer/1687259507) |

## What reviewers say

### Scanner QR Code & Barcode

[App page](https://appshunter.io/ios/app/scanner-qr-code-and-barcode/id1604856705)

Easily scan, create, and manage QR codes, barcodes, and documents. Securely encrypt your QR codes and automatically back up your scanned and created items. Organize documents into folders and share them in various formats.

**Highlights:** Secure QR code encryption, Automatic QR/barcode detection, Scan QR codes from photos, Create common QR codes, Unlimited automatic backup, Scan, store, and manage documents, Customize and share documents

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.49 | per month |
| Premium Weekly | $4.99 | per 7 days |
| Lifetime Premium | $7.99 | one-time |


### Secret Diary with Locks

[App page](https://appshunter.io/ios/app/secret-diary-with-locks/id6449743044)

Securely record your thoughts, memories, and personal moments with this private journal app. Protect your entries with a password, PIN, or biometric authentication. All data is stored locally and encrypted for complete privacy.

**Highlights:** Password, PIN, or biometric unlock, AES 256-bit encryption, Offline local storage, Unlimited entries, Advanced search, No internet permission

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Ad-Free - Annual | $0.99 | per year |


## Frequently asked questions

### Is Scanner QR Code & Barcode free?

Scanner QR Code & Barcode is free to download, with in-app purchases available.

### Is Secret Diary with Locks free?

Secret Diary with Locks is free to download, with in-app purchases available.

### Do Scanner QR Code & Barcode or Secret Diary with Locks have ads?

Neither Scanner QR Code & Barcode nor Secret Diary with Locks shows ads.

### Which is updated more often, Scanner QR Code & Barcode or Secret Diary with Locks?

Scanner QR Code & Barcode ships an update fortnightly, and Secret Diary with Locks every 3 months. Most recently, Scanner QR Code & Barcode was updated on September 22, 2026 and Secret Diary with Locks 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.*