Comparison

keyPlex vs NDK QR Scanner

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

Head to head
About

keyPlex

Features
Read full description

keyPlex is your personal password vault on iPhone. All data stays encrypted on your device – no third-party servers, no tracking. Six smart categories – not every password is the same. keyPlex offers optimized fields for web logins, email accounts, banking, credit cards, WiFi networks and other credentials. Card scanning – Capture bank and credit cards using your camera. Card number, expiry date and cardholder name are recognized automatically. Password groups – Organize your entries into custom groups like Personal, Work or Family for even better overview. Encrypted backup – Save all data as an encrypted file. Only recoverable with your backup password. Double protection – Unlock the app with Face ID, Touch ID or your own app passcode. You decide. Your data, your control – iCloud Sync is optional. Export your data anytime as CSV. No vendor lock-in. Custom categories – Create your own categories with individual icons and colors. Made in Germany – Built with a focus on privacy and usability. Available in German, English and Spanish. FREE: - Up to 5 entries - All 6 standard categories - Face ID & app passcode - Password generator - CSV export PREMIUM: - Unlimited entries - iCloud Sync across devices - Custom categories - Card scanner - Encrypted backup - Password groups Choose your plan: Yearly subscription (4.99 €/year) or one-time Lifetime (17.99 €). Privacy Policy: https://www.euplex.com/datenschutz.html?lang=en Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

NDK QR Scanner

Features
Read full description

Scan smarter. NDK QR Scanner is the fast, private way to read and create QR codes and barcodes — and it works fully offline. No account, no ads, no tracking. Point your camera at any code and it’s detected instantly, with a beep and a vibration. Then get the exact action for what you scanned: open a link, join a Wi-Fi network, call a number, send a message, or find a place on the map. WHY YOU’LL LOVE IT • Lightning-fast detection, even in low light (auto-focus + auto-zoom) • 100% offline — your scans never leave your device • Clean Material design with Light & Dark mode • No ads, no sign-up, no data collection SCAN EVERYTHING • QR Codes, Data Matrix, Aztec, PDF417 • Barcodes: Code 128 / 39 / 93, Codabar, EAN-13, EAN-8, UPC-A, UPC-E, ITF • Scan live with the camera OR from a photo in your gallery • Flashlight, front/back camera switch, continuous scan mode SMART RESULTS The app understands what you scanned and shows the right buttons: • Website → open in browser • Wi-Fi → view network name & password • Phone → call or text • Email → compose a message • Location → open in Maps • Text → copy, share, or search Copy, share, or save any result in one tap. HISTORY & FAVORITES • Every scan saved automatically (you can turn it off) • Search your history and star favorites • Swipe to delete, clear all, or export as text CREATE QR CODES • Generate a QR code from any text or link • Save it as an image or share it anywhere MADE FOR YOU • Works on iPhone and iPad • 8 languages: English, हिन्दी, Português, Bahasa Melayu, Tiếng Việt, 日本語, 한국어, Deutsch • Sound, vibration, auto-open links, and more — all in your control PRIVATE BY DESIGN NDK QR Scanner runs entirely on your device. The camera is used only to detect codes — nothing is recorded or uploaded. No analytics. No third parties. Ever. Download NDK QR Scanner — fast, private, and made to just work.

Screenshots

keyPlex4 screens
NDK QR Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: NDK QR Scanner at none against keyPlex's 2. NDK QR Scanner also leads on iOS requirement (13.0 vs 17.6). On price, ads and device support 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. keyPlex sells 2 in-app purchases, starting at $3.99 per year. NDK QR Scanner asks for nothing beyond the download.

Scorecard2 real differences · 4 level
keyPlex versus NDK QR Scanner: the parameters behind the verdict, then further details
ParameterkeyPlexNDK QR Scanner
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size4 MB24 MB
Age rating4+4+
DeveloperEugen GabrielNguyen Dinh Khoa

In-app purchases

2 purchases

keyPlex

Subscriptions1
  • keyPlex Premium$3.991 Year
One-time1
  • keyPlex Premium (Lifetime)$14.99
None

NDK QR Scanner

No in-app purchases

Questions

Is keyPlex free?
keyPlex is free to download, with in-app purchases available.
Is NDK QR Scanner free?
NDK QR Scanner is free to download, with no in-app purchases.
Do keyPlex or NDK QR Scanner have ads?
Neither keyPlex nor NDK QR Scanner shows ads.

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