Comparison

Frequency Detector Analyzer vs RF Signal Detector

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

Head to head
About

Frequency Detector Analyzer

This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.

Highlights
  • Live frequency tuner
  • Spectrogram visualization
  • Automatic logging and CSV export
  • Customizable logging interval
  • Elegant and modern design
  • Reliable performance
Features
Read full description

Frequency Detector is the ultimate tool for anyone who wants to truly understand sound. Whether you are a musician fine-tuning your instrument, a sound engineer analyzing audio, or simply curious about the world of frequencies around you, this app gives you clarity and precision in real time. With Frequency Detector, you never have to guess again. The app transforms your device into a reliable frequency detector that captures and analyzes sound instantly. Every measurement is displayed clearly so you always know exactly what frequency you are dealing with. Key Features: Live Tuner: See frequencies in real time with clear, accurate readings. Perfect for musicians, audio enthusiasts, and anyone needing a quick reference. Spectrogram: Visualize sound as it happens. Frequency Detector provides a powerful spectrogram view that lets you understand the structure of sound in a way numbers alone can’t explain. Logs & Export: Automatically log frequency readings over time and export them as a CSV file. Frequency Detector makes it easy to keep your data, share it, and use it anywhere. Elegant and Modern Design: A clean, intuitive interface ensures your focus stays on what matters: accurate sound analysis. Customizable Logging Interval: Control how often Frequency Detector records your sound measurements, giving you flexibility depending on your needs. Reliable Performance: Every feature in Frequency Detector is built to be stable and trustworthy, so you can rely on it for professional or personal use. Frequency Detector gives you the power to: Measure sound with precision. Track frequency changes over time. Export your work and share it instantly. Visualize sound patterns in a way that’s easy to understand. If you have ever wondered what pitch you’re hearing, needed proof of sound patterns, or wanted to turn your device into a professional tool, Frequency Detector is designed for you. This app is not a gimmick—it’s a real solution for real needs. No unnecessary clutter, no fake promises—just the essential tools that actually help you. Frequency Detector was created to solve the most important pain points: real-time measurement, accurate visualization, and effortless data logging. By using Frequency Detector, you will: Save time by getting accurate results instantly. Avoid mistakes caused by unreliable other apps. Gain confidence knowing that your device is now a precise frequency detector ready whenever you need it. Make the smart choice and upgrade to professional-level sound analysis. Frequency Detector delivers performance and reliability that sets it apart. We offer a 3 days free-trial followed by a weekly 4.99 USD plan. And also we offer a lifetime plan to have premium access forever with 14,99 USD. Terms of use EULA: https://sites.google.com/view/xmleula/home Privacy Policy: https://sites.google.com/view/odtconverterreader/home

About

RF Signal Detector

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.

Highlights
  • Smart RF Detector
  • Network Scanner
  • Real-Time Visualizer
  • Haptic & Audio Alerts
  • 100% Offline Processing
  • Zero Account Required
Features
Read full description

Protect your peace of mind with ReFi. A secure, offline tool to find hidden devices and cameras. 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. Terms(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy:https://nulladevs.com/app-privacy-policy/

Screenshots

Frequency Detector Analyzer3 screens
RF Signal Detector4 screens

Verdict

The call

The clearest difference is in-app purchases: RF Signal Detector at none against Frequency Detector Analyzer's 2. RF Signal Detector also leads on rating (4.8 vs 4.4) and update cadence (every 5 days vs every 2 months). On price, ratings volume, ads and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Frequency Detector Analyzer sells 2 in-app purchases, starting at $8.99 per 7 days. RF Signal Detector asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RF Signal Detector holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 23 and 20 respectively.

UpkeepUpdate frequency

Frequency Detector Analyzer ships an update every 2 months, RF Signal Detector every 5 days. Both last shipped on October 28, 2026.

Scorecard3 real differences · 7 level
Frequency Detector Analyzer versus RF Signal Detector: the parameters behind the verdict, then further details
ParameterFrequency Detector AnalyzerRF Signal Detector
PriceFreeFree
Rating4.4 (23 ratings)4.8 (20 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings23 — better20
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size65 MB68 MB
Age rating4+4+
DeveloperNEURASYNCDaniel Dominguez

Customer experience

Frequency Detector Analyzer

All ratings20 ratings
Positive85.0%
Neutral0.0%
Negative15.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

RF Signal Detector

All ratings17 ratings
Positive94.1%
Neutral5.9%
Negative0.0%

In-app purchases

2 purchases

Frequency Detector Analyzer

Subscriptions1
  • Frequency Detector Weekly Sub3 Days trial$8.997 Days
One-time1
  • Frequency Detector Lifetime$29.99
None

RF Signal Detector

No in-app purchases

Questions

Is Frequency Detector Analyzer free?
Frequency Detector Analyzer is free to download, with in-app purchases available.
Is RF Signal Detector free?
RF Signal Detector is free to download, with no in-app purchases.
Which has better reviews, Frequency Detector Analyzer or RF Signal Detector?
RF Signal Detector is rated higher. Frequency Detector Analyzer averages 4.4 out of 5 from 23 ratings, while RF Signal Detector averages 4.8 from 20 ratings.
Do Frequency Detector Analyzer or RF Signal Detector have ads?
Neither Frequency Detector Analyzer nor RF Signal Detector shows ads.
Which is updated more often, Frequency Detector Analyzer or RF Signal Detector?
Frequency Detector Analyzer ships an update every 2 months, and RF Signal Detector every 5 days. Most recently, Frequency Detector Analyzer was updated on October 28, 2026 and RF Signal Detector on October 28, 2026.

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