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Best Ultrasound Detector Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated October 2026

Out of 249+ ultrasound detector apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Ultrasound Detector Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.6★ (163K)NoYesOct 2026
2Echo Scan FX Ultrasound CameraEcho Scan FX Ultrasound CameraFree4.1★ (45)YesNoOct 2026
3Ultrasound TouchUltrasound TouchFree—NoNoAug 2026
4Detector.Detector.Free—YesYesSep 2026
5Aco Apache AppAco Apache AppFree5.0★ (1)NoNoAug 2026
6Clarius Ultrasound AppClarius Ultrasound AppFree4.3★ (51)NoNoSep 2026
7Noise Analyzer: Decibel MeterNoise Analyzer: Decibel MeterFree2.0★ (1)YesNoJun 2026
8hidden camera detector - XPreehidden camera detector - XPreeFree—NoYesJul 2026

Top Picks for Ultrasound Detector

Decibel X:dB Sound Level Meter#1

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.6😐(163K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection
  • 🔧 Accurate and reliable

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
  • 🤖 Inaccurate readings compared to professional meters
  • 🤔 Confusing interface

More Ultrasound Detector apps to explore

FAQ about Ultrasound Detector

What are the best ultrasound detector apps for iPhone?
Decibel X:dB Sound Level Meter tops our ultrasound detector apps ranking as of October 2026, with a 4.6-star average from 163K App Store ratings, and it's free to download.
Yes — 20 of the top ultrasound detector apps we rank are free to download, including Decibel X:dB Sound Level Meter and Echo Scan FX Ultrasound Camera.
Decibel X:dB Sound Level Meter has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ ultrasound detector apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.