DuLink vs QR Coder & Barcode Scanner +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DuLink
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DuLink, an innovative application centered around photovoltaic system management, wields robust remote monitoring functions, presenting real-time operating parameters of power stations and affording a clear insight into their operational status. Via an advanced data analysis engine, it deeply excavates data value to offer comprehensive and precise performance evaluations and trend forecasts for power stations.
QR Coder & Barcode Scanner +
Quickly scan and generate QR codes for various information like links, text, and contacts. All codes are saved for easy access and sync across Apple devices. Designed for privacy, it operates entirely on-device without tracking.
- Scan QR codes from camera or images
- Create QR codes for links, text, contacts, Wi-Fi
- Save scanned and created codes
- Sync codes across Apple devices
- On-device processing for privacy
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QR Creator & Reader is a fast and simple app for scanning and creating QR codes on iOS and macOS. Instantly scan QR codes using your camera or images, and generate codes for links, text, contacts, Wi-Fi, and more. All scanned and created codes are saved for easy access, with seamless support across Apple devices. Designed with privacy in mind, the app works fully on-device with no accounts or tracking.
Screenshots
Verdict
The clearest difference is update cadence: QR Coder & Barcode Scanner + at every 4 days against DuLink's every 3 weeks. QR Coder & Barcode Scanner + also leads on device support (4 vs 2). DuLink's advantage is iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
DuLink ships an update every 3 weeks, QR Coder & Barcode Scanner + every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | DuLink | QR Coder & Barcode Scanner + |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (8 ratings) — better |
| Number of ratings | — | 8 — better |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 63 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Dunext Technology Suzhou Co., Ltd. | Constellation Ltd |
In-app purchases
DuLink
No in-app purchases
QR Coder & Barcode Scanner +
No in-app purchases
