Comparison

SoundScope vs Spectrum Analyzer+ FFT

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

Head to head
About

SoundScope

Features
Read full description

SoundScope helps you understand the sound around you and build safer listening habits. Use the live meter to measure decibels in real time, then review your sessions to see average and peak levels over time. Tag readings with location to build a personal noise map, and keep your key stats visible with Home Screen widgets and Live Activities. Whether you commute, work in loud spaces, go to concerts, or just want better awareness, SoundScope gives you a clear view of your day-to-day sound exposure. Key Features: - Real-time decibel meter with live waveform - Track average, peak, and session duration - Session history with trend charts - Personal noise map from location-tagged sessions - Apple Watch app for wrist-based measurement - Home Screen widgets and Live Activities - Optional Apple Health integration SoundScope Pro: - Detailed history and charts - Full map experience - Apple Health sync - Apple Watch app access - Widgets and advanced tracking Subscriptions: - SoundScope Pro Monthly - SoundScope Pro Yearly - 7-day free trial available on eligible plans Prices may vary by region. Subscription auto-renews unless canceled at least 24 hours before the end of the current period.

About

Spectrum Analyzer+ FFT

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

Highlights
  • Real-time FFT audio spectrum visualization
  • Frequency range 20 Hz to 20 kHz
  • Peak frequency detection
  • Average dB level per band
  • Adjustable dB range
  • Dark theme
Features
Read full description

Spectrum Analyzer+ FFT transforms your iPhone into a professional audio frequency analyzer. Using the built-in microphone, it visualizes sound frequencies in real time with a detailed FFT spectrum display. The analyzer captures live audio through the microphone and breaks it down into individual frequency bands, showing the amplitude of each frequency from 20 Hz to 20 kHz. Note: This app analyzes audio in real time for visualization purposes only — it does not record or store any audio. Key Features: - Real-time FFT audio spectrum visualization via microphone - Frequency range from 20 Hz to 20 kHz - Peak frequency detection with Hz display - Average dB level per frequency band - Adjustable dB range for detail viewing - Smooth animated bar display - Dark theme optimized for readability Whether you're a musician tuning instruments, an audio engineer checking room acoustics, or a sound enthusiast exploring frequencies, Spectrum Analyzer+ gives you a powerful visualization tool in your pocket.

Screenshots

SoundScope4 screens
Spectrum Analyzer+ FFT3 screens

Verdict

The call

The clearest difference is in-app purchases: Spectrum Analyzer+ FFT at none against SoundScope's 2. SoundScope's advantage is ads (none vs shown). On price, device support and iOS requirement 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. SoundScope sells 2 in-app purchases, starting at $1.99 per month. Spectrum Analyzer+ FFT asks for nothing beyond the download.

Scorecard2 real differences · 7 level
SoundScope versus Spectrum Analyzer+ FFT: the parameters behind the verdict, then further details
ParameterSoundScopeSpectrum Analyzer+ FFT
PriceFreeFree
Rating—2.3 (3 ratings) — better
Number of ratings—3 — better
Update frequency—Weekly
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size5 MB69 MB
Age rating4+17+
Developerchristopher reedKyu-Hee Jang

In-app purchases

2 purchases

SoundScope

Subscriptions2
  • Monthly7 Days trial$1.991 Month
  • Yearly7 Days trial$9.991 Year
None

Spectrum Analyzer+ FFT

No in-app purchases

Questions

Is SoundScope free?
SoundScope is free to download, with in-app purchases available.
Is Spectrum Analyzer+ FFT free?
Spectrum Analyzer+ FFT is free to download, with no in-app purchases.
Do SoundScope or Spectrum Analyzer+ FFT have ads?
Spectrum Analyzer+ FFT shows ads; SoundScope does not.

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