RF Detector - ReFi
RF Signal Detector - Private
About
This tool helps detect hidden electronic devices and cameras by scanning for electromagnetic fields and network connections. It offers real-time visualizers and alerts, all processed offline without requiring an account or sharing your data.
What's New in RF Detector
6.0
September 23, 2026
Solve errors
Developer apps
FAQ
What is ReFi used for?
ReFi is used to detect hidden electronic devices and cameras by scanning for electromagnetic fields and unauthorized network connections. It helps users secure their personal space by identifying potential surveillance threats.
Does ReFi have ads?
No, ReFi does not contain advertisements. The app is free to download and use, with optional in-app purchases.
How does ReFi detect hidden devices?
ReFi uses your phone's built-in magnetometer and wireless sensors to detect electromagnetic fields emitted by electronic devices. It also scans local Wi-Fi and Bluetooth networks for unauthorized connections.
Is my data safe with ReFi?
Yes, ReFi prioritizes privacy with 100% offline processing and no account requirement. Your data is never collected, sold, or shared.
What devices is ReFi compatible with?
ReFi is available for iPhone and iPod devices. It is rated for ages 4 and up.
How often is ReFi updated?
The latest version of ReFi is 6.0, and it was last updated on September 23, 2026. Updates ensure the app remains reliable and effective.
Can ReFi detect all types of hidden signals?
ReFi is highly effective as a first line of defense. However, standard smartphones may not be able to detect all dormant or military-grade signals.
What are the in-app purchases for ReFi?
While the app is free, in-app purchases are available to enhance functionality. Specific details on these purchases are not provided in the description.
