Comparison

Spectrum Analyzer vs Frequency Generator

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

Head to head
About

Spectrum Analyzer

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

Highlights
  • Sound level meter
  • Multichannel harmonic analysis
  • Adjustable graphics
  • AI-powered sound source analyzer
  • Real-time analysis
  • FFT analysis
Features
Read full description

Spectrum Analyzer is a pro audio tool with sound level meter, multichannel harmonic analysis and detailed graphical representation. Learn something new about your sound environment with real-time analysis! FEATURES: - sound level meter; - harmonic analyzer; - adjustable graphics; - AI-powered sound source analyzer. SOUND LEVEL METER - precise measurement of sound and noise level - real-time results HARMONIC ANALYZER - multichannel FFT analysis; - adjustable parameters; - graphical representation. ADJUSTABLE GRAPHICS - various graphics and diagram types; - zoom of selected chart areas. This app offers subscriptions. The paid version includes AI noise detection, immersive 3D visualization, and customizable settings. The free version offers dB/Hz measurement, 2D mode, and limited visualization options. Privacy Policy: https://musicbreath.com/privacy Terms Of Use: https://musicbreath.com/tos

About

Frequency Generator

Generate sound waves from 1Hz to 40000Hz with various waveforms. Analyze audio frequencies, test hearing, and use for relaxation or speaker cleaning. Offers a sleep timer for peaceful rest.

Highlights
  • Multiple waveform generation (Sine, Triangle, Sawtooth, Square)
  • Real-time frequency and sound level analysis
  • Hearing test and monitoring
  • Sleep timer for relaxation
  • Speaker cleaning function
  • Educational sound wave exploration
Features
Read full description

Generate precise tones from 1 Hz to 40,000 Hz with a clean sine, square, triangle, or sawtooth waveform. Frequency Generator is built for hearing tests, audio equipment checks, speaker cleaning, relaxation, and education. KEY FEATURES • Waveforms: sine, triangle, sawtooth, and square • Fine frequency control across audible and near-ultrasound ranges • Real-time frequency analyzer for sound levels and acoustics • Sleep timer for meditation, focus, or overnight playback • Hearing range checks (typically 20 Hz–20,000 Hz) USE CASES • Test hearing and track changes over time • Create binaural beats, white noise, or focus tones • Eject water or dust from speakers with targeted frequencies • Tune instruments and check headphones or speakers • Explore resonance, pitch, and sound science Auto-Renewable Subscription Terms: - Payment is charged to your Apple ID at confirmation of purchase. - Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. - Your account is charged for renewal within 24 hours before the end of the current period. - Manage or cancel anytime in App Store Account Settings. Terms of Use: https://sunshinesoftwarelabs.com/terms/

Screenshots

Spectrum Analyzer3 screens
Frequency Generator3 screens

Verdict

The call

The clearest difference is ads: Frequency Generator at none against Spectrum Analyzer's shown. Frequency Generator also leads on review sentiment (24% vs 5%) and rating (4.4 vs 4.2). On price, ratings volume, update cadence and in-app purchases 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. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days and Frequency Generator sells 7 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Frequency Generator holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 198 and 82 respectively. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 24% of Frequency Generator's.

UpkeepUpdate frequency

Spectrum Analyzer ships an update fortnightly, Frequency Generator every 3 weeks. Both last shipped on October 14, 2026.

Scorecard3 real differences · 7 level
Spectrum Analyzer versus Frequency Generator: the parameters behind the verdict, then further details
ParameterSpectrum AnalyzerFrequency Generator
PriceFreeFree
Rating4.2 (198 ratings)4.4 (82 ratings) — better
Positive reviews5.0% of reviews23.8% of reviews — better
Number of ratings198 — better82
Update frequencyFortnightly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.016.0
Further details — not scored
Size100 MB26 MB
Age rating4+4+
DeveloperMusic BreathSunshine Software Labs

Customer experience

Spectrum Analyzer

All ratings198 ratings
Positive77.3%
Neutral6.6%
Negative16.2%
Written reviews241 reviews
Positive5.0%
Neutral5.0%
Negative90.0%

Frequency Generator

All ratings82 ratings
Positive84.1%
Neutral4.9%
Negative11.0%
Written reviews21 reviews
Positive23.8%
Neutral0.0%
Negative76.2%

Bugs and requests

Spectrum Analyzer

Reported bugs

10 issues
  • App becomes unusable after iOS 16 update
  • Crashes immediately on iPhone 5 with iOS 7
  • Cannot exit app on iPhone X without reboot
  • App freezes when changing settings or views
  • Inaccurate frequency readings
Show 5 more
  • Slow and unresponsive performance
  • App hijacks device sound settings
  • Accidental in-app purchases triggered by home button
  • Subscription charges without clear user consent
  • App locks users into year-long subscriptions with no cancellation option

Requested features

7 requests
  • Audio file import functionality
  • Customizable background colors for chroma key compatibility
  • Ability to record audio instead of only analyzing
  • Better documentation and help files
  • Improved sensitivity for detecting soft sounds
Show 2 more
  • Dark mode option
  • Upfront pricing disclosure before download

Frequency Generator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Spectrum Analyzer

Subscriptions9
  • Pitch Finder: Audio Visualizer3 Days trial$4.997 Days
  • Pitch Finder: Audio Visualizer3 Days trial$9.991 Month
  • One Month Sale$9.991 Month
Show 6 more
  • 1 Week Subscription3 Days trial$9.997 Days
  • 1 Year Sub. with discount$19.991 Year
  • 1 Month Subscription$19.991 Month
  • 3 Month Subscription$25.993 Months
  • 1 Year Subscription3 Days trial$39.991 Year
  • 2 months subscription3 Days trial$39.992 Months
One-time4
  • No Ads$9.99
  • Additional Settings Controls$15.99
  • Full Pack + No Ads$19.99
Show 1 more
  • Get More$19.99
7 purchases

Frequency Generator

Subscriptions6
  • 7 Day Free Then Get Premium$9.991 Year
  • 3 Days Free Trial Weekly VIP3 Days trial$9.997 Days
  • Get Premium Monthly$9.991 Month
Show 3 more
  • 3 Days Free Trial then Get Premium3 Days trial$19.991 Month
  • Get Premium Annual1 Month trial$49.991 Year
  • 7 Day Free Yearly VIP3 Days trial$49.991 Year
One-time1
  • Get Premium One Time Purchase$19.99

Questions

Is Spectrum Analyzer free?
Spectrum Analyzer is free to download, with in-app purchases available.
Is Frequency Generator free?
Frequency Generator is free to download, with in-app purchases available.
Which has better reviews, Spectrum Analyzer or Frequency Generator?
Frequency Generator is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 198 ratings, while Frequency Generator averages 4.4 from 82 ratings.
Do Spectrum Analyzer or Frequency Generator have ads?
Spectrum Analyzer shows ads; Frequency Generator does not.
Which is updated more often, Spectrum Analyzer or Frequency Generator?
Spectrum Analyzer ships an update fortnightly, and Frequency Generator every 3 weeks. Most recently, Spectrum Analyzer was updated on October 14, 2026 and Frequency Generator on October 14, 2026.

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