LetzQR vs Protexb
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
LetzQR
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When to Use LetzQR QR codes are everywhere these days, making information sharing quick and easy. LetzQR is perfect for various situations: For Professionals: At meetings, conferences, or networking events, ditch the hassle of exchanging business cards. Just copy your contact info or website URL, generate a QR code, and let others scan it. You can even create custom rules to format specialized data like product numbers or document IDs. For Educators: Teachers can quickly generate QR codes for class materials, assignments, or useful links. Students simply scan the code to access resources, saving time and effort. For interactive learning, create QR codes for quizzes or activities on the spot. For Social Butterflies: Sharing social media profiles at parties or events is a breeze. Set up your favorite platforms and generate QR codes instantly using widgets. Expanding your network has never been easier. For Marketers: Promote events, product information, or special offers using QR codes. Need to update campaign details? Just generate a new code with the latest information, keeping your promotions agile and up-to-date. For Travelers: Share essential travel details like hotel addresses, restaurant recommendations, or sightseeing guides. Convert them to QR codes in advance and keep them handy for offline access, making sharing simple even without internet. For Family and Home: Save your Wi-Fi password, family contact info, or important documents as QR codes. Guests can easily scan and connect. With widgets, frequently used codes are just a tap away on your home screen. LetzQR eliminates the frustration of traditional information sharing, making digital interactions smoother. Whether itβs for work, school, socializing, or daily life, LetzQR saves you time and enhances your communication.
Protexb
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Protexb helps you take control of your internet connection by changing your DNS to trusted servers. Designed to block unwanted ads and trackers, Protexb ensures a safer, cleaner browsing experience. Key features: Easily switch between trusted DNS profiles (AdGuard, Google, Cloudflare, OpenDNS interface). Built-in VPN tunnel using secure AdGuard DNS. Ad-blocking, tracker protection, and enhanced privacy. Real-time ping display to your selected DNS profile. One-tap connect and disconnect. Your data stays private. No complicated setup. Just install, choose your profile, and browse with confidence.
Screenshots
Verdict
The clearest difference is update cadence: LetzQR at every 2 weeks against Protexb's every 5 months. Protexb's advantage is iOS requirement (16.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LetzQR ships an update every 2 weeks, Protexb every 5 months. Both last shipped on October 8, 2026.
| Parameter | LetzQR | Protexb |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 18.2 | 16.0 β better |
| Further details β not scored | ||
| Size | 6 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | WuFeng Chiang | TheGroceryShelf LLC |
In-app purchases
LetzQR
No in-app purchases
Protexb
No in-app purchases









