Comparison

DuLink vs QR Coder & Barcode Scanner +

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

Head to head
About

DuLink

Features
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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.

About

QR Coder & Barcode Scanner +

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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

DuLink4 screens
QR Coder & Barcode Scanner +4 screens

Verdict

The call

The clearest difference is update cadence: QR Coder & Barcode Scanner + at every 4 days against DuLink's fortnightly. QR Coder & Barcode Scanner + also leads on device support (4 vs 2). DuLink's advantage is iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DuLink ships an update fortnightly, QR Coder & Barcode Scanner + every 4 days. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
DuLink versus QR Coder & Barcode Scanner +: the parameters behind the verdict, then further details
ParameterDuLinkQR Coder & Barcode Scanner +
PriceFreeFree
Update frequencyFortnightlyEvery 4 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, Mac, Apple Watch โ€” better
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size61 MB6 MB
Age rating4+4+
DeveloperDunext Technology Suzhou Co., Ltd.Constellation Ltd

In-app purchases

None

DuLink

No in-app purchases

None

QR Coder & Barcode Scanner +

No in-app purchases

Questions

Is DuLink free?
DuLink is free to download, with no in-app purchases.
Is QR Coder & Barcode Scanner + free?
QR Coder & Barcode Scanner + is free to download, with no in-app purchases.
Do DuLink or QR Coder & Barcode Scanner + have ads?
Neither DuLink nor QR Coder & Barcode Scanner + shows ads.
Which is updated more often, DuLink or QR Coder & Barcode Scanner +?
DuLink ships an update fortnightly, and QR Coder & Barcode Scanner + every 4 days. Most recently, DuLink was updated on September 10, 2026 and QR Coder & Barcode Scanner + on September 8, 2026.

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