DFU Plus vs Varcode B2B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DFU Plus
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This application is mainly designed for Bluetooth hardware devices developed by Freqchina. It is a tool application made for device upgrading. With this application, you can upgrade Bluetooth devices remotely or locally, and it also supports signal value filtering and name filtering. For more information, please contact: shenzhen@freqchina.com.
Varcode B2B
This app offers a wireless temperature monitoring solution for temperature-sensitive products, tracking their journey from origin to destination. It works by scanning Smart Tags™ to provide actionable insights into the cold chain. This tool is designed to enhance existing investments in product monitoring.
- Wireless temperature monitoring
- Smart Tag scanning
- Cold chain tracking
- Actionable product information
- Last-mile monitoring
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Varcode provides an easy, low-cost cold chain wireless temperature monitoring solution for temperature sensitive products down to the last mile. Enhance and extend your process to get more out of your current investment. The Varcode Mobile app is the link between your product and actionable information. Simply Scan a Smart Tag™ to track your product’s journey and transform the way you see your cold chain. This app can ONLY be used with a Varcode Smart Tag™ and is NOT a general barcode reader.
Screenshots
Verdict
The clearest difference is update cadence: Varcode B2B at every 2 months against DFU Plus's every 6 months. DFU Plus's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
DFU Plus ships an update every 6 months, Varcode B2B every 2 months. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.
| Parameter | DFU Plus | Varcode B2B |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lanke Xuntong Technology Co., Ltd. | Varcode Ltd. |
In-app purchases
DFU Plus
No in-app purchases
Varcode B2B
No in-app purchases
