Diagnify vs QR Maker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diagnify
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Welcome to Diagnify, the indispensable app tailored for Rem Vision Lab employees and customers. Specifically crafted for on-site troubleshooting, Diagnify is your go-to solution for resolving device issues in the field, especially when internet connectivity is a challenge. This powerful app operates seamlessly using Bluetooth Low Energy (BLE) technology, eliminating the need for an internet connection on the device being diagnosed. Diagnify empowers users to capture crucial insights with the on-the-spot photo capture feature, providing a visual context for effective diagnostics. While the device itself doesn't require an internet connection, please note that your smartphone needs to be connected to the internet for Diagnify to function optimally. Access real-time device details such as temperature, software version, and more, offering a comprehensive view of the device's operational status. Elevate your diagnostic capabilities with a range of tools designed to efficiently identify and address issues in the field. Streamline your on-site operations with Diagnify – the ultimate solution for diagnosing and resolving device issues, all without the need for the device to be connected to the internet. Ensure a seamless and reliable connection using Bluetooth technology, with the added convenience of internet support through your connected smartphone.
QR Maker
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Easily Create Your Own Personalized QR Codes – Not Just Black and White Squares Anymore! Design unique QR codes with custom watermarks that reflect your personality or brand. Whether you’re sharing work content, preserving life moments, or showcasing on social media, this app offers the most convenient and flexible QR code solutions. [Key Features] • QR Code Generator: Instantly generate QR codes for various content types – text, URL, Wi-Fi, contacts, phone numbers, SMS, email, calendar events, and clipboard content. • Custom Watermarks: Add your own logo, watermark text, and color schemes to make your QR codes stand out and match your branding. • Smart Scanner: Scan QR codes using the camera or recognize them directly from images in your photo album. • Content Management: Automatically saves your QR code generation history for easy reuse and quick sharing. [Use Cases] • Business Networking: Create a contact QR code with your company logo to easily share your information. • Online Sharing: Generate stylish URL QR codes for posting on social media, blogs, or printed flyers. • Friends & Family: Share your home Wi-Fi with a scannable QR code—no more telling people the password. • Event Planning: Create calendar QR codes for meetings, events, or classes—scan to add to calendar in one tap. • Store Promotion: Shop owners can generate QR codes with phone numbers, addresses, or links to their WeChat—great for signage or business cards. Whether for everyday use or professional promotion, Personalized QR Code Maker is your go-to tool for smarter, better-looking QR codes. Download now and start creating! [Auto-Renewal Subscription Terms] 1. We offer auto-renewing subscription plans: weekly, monthly, and yearly. 2. Payment: Payment will be charged to your iTunes account upon confirmation of purchase. 3. Renewal: Subscriptions with free trials will automatically renew to paid subscriptions. Your account will be charged within 24 hours before the end of the current period. The fee depends on your selected plan. After successful payment, the subscription will be extended by one cycle. 4. Cancellation: To avoid renewal, you must turn off auto-renewal in your iTunes/Apple ID settings at least 24 hours before the end of the current subscription period. No additional charges will be made. User Agreement: http://oss.yunjikeji.work/h5/qr/user.html Privacy Policy: http://oss.yunjikeji.work/h5/qr/privacy.html Subscription Terms: http://oss.yunjikeji.work/h5/qr/subscribe.html
Screenshots
Verdict
The clearest difference is in-app purchases: Diagnify at none against QR Maker's 4. Diagnify also leads on update cadence (every 5 weeks vs every 4 months). QR Maker's advantage is iOS requirement (16.0 vs 18.0). 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
Both are free to download. QR Maker sells 4 in-app purchases, starting at $2.99 per 7 days. Diagnify asks for nothing beyond the download.
Diagnify ships an update every 5 weeks, QR Maker every 4 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | Diagnify | QR Maker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Rem Vision Lab | 鑫 王 |
In-app purchases
Diagnify
No in-app purchases
QR Maker
- Weekly Subscription7 Days trial$2.997 Days
- Monthly Subscription$3.991 Month
- Annual Subscription$14.991 Year
- Permanent member$24.99









