Best Frequency Detector Tool Apps

247+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated October 2026

Whether you're new to frequency detector tool or looking for an upgrade, our curated collection of 247+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Frequency Detector Tool Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency Detector ToolFrequency Detector ToolFree5.0★ (3)NoNoOct 2026
2Frequency Detector AnalyzerFrequency Detector AnalyzerFree4.4★ (23)NoYesOct 2026
3FQC - Frequency CounterFQC - Frequency CounterFree—NoNoJul 2026
4Frequency Meter PROFrequency Meter PRO$2.991.8★ (30)NoNoOct 2026
5RF Signal DetectorRF Signal DetectorFree4.2★ (104)YesYesOct 2026
6VisiWaveVisiWaveFree3.7★ (12)NoNoOct 2026
7Frequency AnalyzerFrequency AnalyzerFree4.5★ (187)NoYesNov 2026
8Frequency Generator: Hz TonesFrequency Generator: Hz TonesFree4.7★ (23)NoYesNov 2026

Top Picks for Frequency Detector Tool

Frequency Detector Tool#1

Frequency Detector Tool by Eye Heru

Find the musical key of any Hz
Editor's Choice
🎵 Music
5.0(3 ratings)
Free
Frequency Detector Tool screenshot 1

Instantly analyze musical keys from any frequency in Hertz. It displays the corresponding musical note, cents deviation, and whether it's in key with your selected musical scale. Features vocal context notes and a full frequency chart for EQ guidance.

Frequency Detector Analyzer#2

Frequency Detector Analyzer by NEURASYNC

Spectrum Analyzer EMF Decibel
Strong Contender
🔧 Utilities
4.4(23 ratings)
FreeIn-App Purchases
Frequency Detector Analyzer screenshot 1
Frequency Detector Analyzer screenshot 2
Frequency Detector Analyzer screenshot 3

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.

More Frequency Detector Tool apps to explore

FAQ about Frequency Detector Tool

What are the best frequency detector tool apps for iPhone?
Frequency Detector Tool tops our frequency detector tool apps ranking as of October 2026, with a 5.0-star average from 3 App Store ratings, and it's free to download.
Yes — 18 of the top frequency detector tool apps we rank are free to download, including Frequency Detector Tool and Frequency Detector Analyzer.
Frequency Detector Tool has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 247+ frequency detector tool apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.