DunFlow
Offline QR File Transfer
About
Transfer data securely between devices without Wi-Fi or Bluetooth. This app uses a unique visual data stream captured by your camera for offline, encrypted file sharing. Ideal for sensitive text and small files in network-free environments.
What's New in DunFlow
1.2.13
September 16, 2026
Subscriptions & In-App Purchases
DunFlow PRO Monthly
Unlock PRO features monthly.
Developer apps
FAQ
What is DunFlow?
DunFlow is a utility app that enables secure, offline data transfer between devices using a unique optical flow technology. It displays a visual data stream on one device that is captured by the camera on another to complete the transfer.
Does DunFlow require an internet connection?
No, DunFlow is designed for physically isolated transfer. It does not require Wi-Fi, cellular networks, or Bluetooth pairing, making it ideal for offline environments.
What types of files can DunFlow transfer?
DunFlow is best suited for transferring text, links, and small files. Due to limitations in screen and camera refresh rates, it is not suitable for large files like HD videos.
Is my data secure with DunFlow?
Yes, DunFlow utilizes military-grade AES and SM4 encryption algorithms to ensure your data is protected at the highest level, preventing network eavesdropping and privacy leaks.
What devices does DunFlow support?
DunFlow is available for iPhone and iPad devices.
How often is DunFlow updated?
The latest version, 1.2.13, was released on September 16, 2026, indicating recent development activity. Users can expect updates to maintain functionality and security.
What are the benefits of DunFlow PRO?
Upgrading to DunFlow PRO unlocks all advanced features, providing a seamless and enhanced transfer experience. Specific details on PRO features are available within the app.
Does DunFlow have ads?
Based on the provided data, DunFlow does not contain advertisements. The app is free with in-app purchases for advanced features.