RF Signal Detector- ReFi
RF Signal Detector- ReFi is made and published by DDR Technologies INC. AppBrain is an independent app data site and isn't affiliated with DDR Technologies INC. The app name, icon, screenshots and description belong to DDR Technologies INC and are shown as published on Google Play.
AppBrain's verdict
Growing fastLoved by users- Rating on Google Play
- 4.71
- 566 ratings
- Installs
- 13 thousand
- Last updated
- October 29, 2026
- Ads
- No ads
- Size
- 26.3 MB
RF Signal Detector- ReFi has 13 thousand installs. 5 thousand of those came in the last 30 days. Users love it: 4.7 stars from 566 ratings.
Pros & Cons
- On-device, offline processing for privacy
- No account required and no data sharing
- Broad sensor use (magnetometer and wireless sensors) for detection
- Discreet alerts via haptic and audio feedback
- No cloud-based features or centralized threat intelligence
- Performance depends on device hardware and sensor quality
- Not ranked in any top lists (visibility may be lower than broader security tools)
User feedback
Ratings and reviews on Google PlayComments on RF Signal Detector- ReFi for Android
Google Play Rating history and histogram
Store listing
By DDR Technologies INC, from Google Play“Accurate RF detector with a privacy-first approach”
Description by DDR Technologies INC Written by the developer, not by AppBrain. Click to read.
Are You Truly Alone?
Hidden spy cameras, rogue microphones, and trackers are smaller and easier to hide than ever before. Whether you are in a hotel, an Airbnb, or a sensitive meeting, your privacy matters.
Meet ReFi, your essential rf signal detector designed to help you scan your surroundings, locate suspicious electronic emissions, and secure your personal space.
Why Choose ReFi?
Most security apps require intrusive permissions or upload your data. Not us. Our usp is a privacy first rf detector. We believe a tool built to protect you should never track you.
100% Offline Processing: All scans happen entirely on your device.
Zero Account Required: No registration, no emails, no tracking.
No Data Sharing: We never collect, sell, or share your metrics.
Key Features
Smart RF Detector: Detect electromagnetic fields emitted by hidden electronic devices, lenses, and spy bugs.
Network Scanner: Identify unauthorized devices connected to local Wi-Fi or Bluetooth networks.
Real-Time Visualizer: Easy-to-read signal strength charts spike as you get closer to a threat.
Haptic & Audio Alerts: Receive instant sound and vibration feedback to help you sweep a room discreetly.
Perfect For:
Travelers: Sweep vacation rentals and hotel rooms.
Professionals: Secure conference rooms before sensitive discussions.
Privacy Enthusiasts: Add an extra layer of daily defense against surveillance.
Disclaimer: ReFi uses your phone’s built-in magnetometer and wireless sensors to locate potential threats. While highly effective as a first line of defense, standard smartphones cannot detect all dormant or military-grade signals.
Download ReFi today—secure your space and keep your personal life private.
Recent changes:
Reduce app resource consumption
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 26
- App size
- 26.3 MB
- Needs Android
- 7.0+
- Content rating
- Everyone
Technologies used by RF Signal Detector- ReFi
Releases
Updates seen on Google Play- Version
- 10.0.10
- Launched
- July 2026
Alternatives
Similar apps and more from DDR Technologies INCAlternatives to RF Signal Detector- ReFi
More from DDR Technologies INC
Also available on the App Store
Installs
Tracked by AppBrain- Last 30 days
- 5 thousand
- Per day
- 170
- 30-day average
- Play install range
- 10+ thousand
- Launched
- July 2026
Installs over time
RF Signal Detector- ReFi has been installed 13 thousand times. Over the past 30 days, it averaged 170 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for RF Signal Detector- ReFi
About the app and developer
About RF Signal Detector- ReFi
RF Signal Detector- ReFi is a tools app developed by DDR Technologies INC.
How many times has RF Signal Detector- ReFi been downloaded?
RF Signal Detector- ReFi has been downloaded 13 thousand times. In the last 30 days, the app was downloaded 5 thousand times.
What is the rating of RF Signal Detector- ReFi?
RF Signal Detector- ReFi is rated 4.71 out of 5 stars, based on 570 ratings.
Is RF Signal Detector- ReFi free?
RF Signal Detector- ReFi is free. The APK size is 26.26 MB. The latest APK version available is 10.0.10. The last update was on October 29, 2026.
What are the requirements for RF Signal Detector- ReFi?
RF Signal Detector- ReFi requires Android 7.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since July 2026.
App Performance Report
Get a detailed PDF report for RF Signal Detector- ReFi with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for DDR Technologies INC
Frequently asked questions about RF Signal Detector- ReFi
Is RF Signal Detector- ReFi free?
Yes. RF Signal Detector- ReFi is free on Google Play.
Is RF Signal Detector- ReFi still available?
Yes. RF Signal Detector- ReFi is on Google Play, and the last update we saw was on October 29, 2026.
Does RF Signal Detector- ReFi contain ads?
No. Google Play does not list RF Signal Detector- ReFi as containing ads.
What Android version does RF Signal Detector- ReFi require?
RF Signal Detector- ReFi runs on Android 7.0 and higher.
How large is RF Signal Detector- ReFi?
RF Signal Detector- ReFi is 26.26 MB.
Is RF Signal Detector- ReFi suitable for children?
Google Play rates the content of RF Signal Detector- ReFi as suitable for everyone.
How many times has RF Signal Detector- ReFi been installed?
Google Play lists 10,000+ installs for RF Signal Detector- ReFi.
How do people rate RF Signal Detector- ReFi?
RF Signal Detector- ReFi scores 4.71 out of 5 stars, from 566 ratings on Google Play.
Who made RF Signal Detector- ReFi?
RF Signal Detector- ReFi was developed by DDR Technologies INC. It is listed in the tools category on Google Play.
What are the best alternatives to RF Signal Detector- ReFi?
People looking at RF Signal Detector- ReFi also look at these tools apps: Detector: Tracker, Camera, Mic, Hidden Camera & Bug Detector, AI Hidden Camera Detector, Spy Camera Detector Pro, Hidden Camera: Device Detector.