Comparison

Scanner QR Code & Barcode vs Secret Diary with Locks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Scanner QR Code & Barcode

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
Read full description

► Secure QR code & barcode feature: * Create and share QR code with a secret encryption key to keep your information absolutely safe. * Easily to use for scanning all types of QR code and barcode. Our app can automatically detect and scan any code without press any buttons. You can also scan the QR Code in the photos gallery. * Easily to find products after scanning the barcode. * Easily create common QR codes and barcodes in daily life such as: phone number, email, wifi, social network.... * Unlimited automatic backup of all QR codes and barcodes you scan or create during use, especially with favorites you can easily manage and reuse important QR codes. ► Document scanning feature: * Easily scan, store and manage your documents as folders. * Easily customize and share documents in multiple formats ► Subscription Information: * Free trial period is provided * Payment will be charged to iTunes Account at confirmation of purchase * Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period * Account will be charged for renewal within 24-hours prior to the end of the current period. The cost depends on the selected plan * Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase * Any unused portion of the free trial will be forfeited when the user purchases a subscription ► Privacy Policy: * Our Privacy Policy: https://sites.google.com/view/policy-scan-qr-barcode/trang-ch%E1%BB%A7 ► Terms of Use (EULA): * Our Term of Use: https://sites.google.com/view/terms-secure-scan-qr-barcode/trang-ch%E1%BB%A7
 ► Contact us: * If you have any problems, please contact us by Email: support.app@giaquangphat.work

About

Secret Diary with Locks

Securely record your thoughts and memories in a private digital journal. Protect your entries with a PIN or biometric unlock. This app stores your data locally, ensuring privacy and offline access.

Highlights
  • Create, edit, and delete diary entries
  • Unlimited entries stored locally
  • 6-digit PIN lock
  • Face ID/Touch ID unlock
  • Search by title or notes
  • Export and import diary
  • Daily reminder
Features
Read full description

Secret Diary with Lock – Your Private Journal Keep your thoughts, memories, and personal moments in a journal that stays on your device. Write private entries and lock them with a 6-digit PIN. On a device that supports it, you can also unlock with Face ID, Touch ID, or the device passcode. Your diary text is stored locally. There is no account, and the app does not upload your entries to a developer server. A forgotten PIN cannot be recovered. You can write with no internet connection. The app does use the network for ads, analytics, crash reports, and subscription verification. Write about your day, your plans, and the moments you want to remember. Features - Create, edit, and delete diary entries - Unlimited entries, stored on your device - Lock with a 6-digit PIN - Unlock with Face ID, Touch ID, or the device passcode when you turn that on - Search by title or notes - Export your diary to a file you choose, and import it back - Optional daily reminder - The diary locks again when you leave the app - Remove ads with the annual subscription Perfect for - Daily journal entries - Personal memories - Private notes - A digital diary instead of a paper notebook Entries stay on the device while the app is installed. Use Export Diary if you want your own copy. Deleting the app can remove entries that were not exported. Subscription Terms - Title of auto-renewing subscription: Premium Ad-Free - Annual - Length of subscription: 1 year - Price: $0.99 per year. The price can vary by country. - Premium Ad-Free - Annual removes ads. Writing, editing, deleting, search, export, and the lock stay available without the subscription. - Payment is charged to your Apple ID when you confirm the purchase. - The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. - Your account is charged for renewal within 24 hours before the current period ends. - Manage the subscription or turn off auto-renewal in Settings > Apple ID > Subscriptions. The current period continues until it ends. - If a free trial is offered, any unused part of that trial is forfeited when you purchase the subscription. Contact Questions: contactusiosapp@gmail.com Privacy Policy: https://github.com/SmartiOSDev/Diary-Secret-Note-With-Lock/blob/main/PrivacyPolicy.md Terms of Use: https://github.com/SmartiOSDev/Diary-Secret-Note-With-Lock/blob/main/TermsOfUse.md

Screenshots

Scanner QR Code & Barcode3 screens
Secret Diary with Locks4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Scanner QR Code & Barcode ships an update fortnightly, Secret Diary with Locks every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Scanner QR Code & Barcode versus Secret Diary with Locks: the parameters behind the verdict, then further details
ParameterScanner QR Code & BarcodeSecret Diary with Locks
PriceFreeFree
Rating4.7 (35 ratings) — better—
Positive reviews66.7% of reviews — better50.0% of reviews
Number of ratings35 — better—
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size35 MB10 MB
Age rating4+4+
DeveloperGIA QUANG PHAT JOINT STOCK COMPANYHarshad Jadav

Customer experience

Scanner QR Code & Barcode

All ratings35 ratings
Positive94.3%
Neutral2.9%
Negative2.9%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Secret Diary with Locks

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

3 purchases

Scanner QR Code & Barcode

Subscriptions2
  • Premium Monthly3 Days trial$1.491 Month
  • Premium Weekly7 Days trial$4.997 Days
One-time1
  • Lifetime Premium$7.99
1 purchases

Secret Diary with Locks

Subscriptions1
  • Premium Ad-Free - Annual$0.991 Year

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 November 3, 2026 and Secret Diary with Locks on November 7, 2026.

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