Comparison

Live Spectrogram vs Spectrum

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

Head to head
About

Live Spectrogram

Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.

Highlights
  • Real-time audio visualization
  • Frequency analysis
  • Time-based spectrum display
  • Intensity shown by color
  • Singing voice perfection
  • Animal call analysis
  • Sound source identification
Features
Read full description

Visualize audio with this handy tool. It displays the frequencies of sound around you over time. The horizontal axis is time, the vertical is frequency, and the intensity of frequencies is shown using pretty shades of red. Use it to: Perfect your singing voice Analyze the call of animals Identify and locate annoying sounds around your house Learn about the world of frequency analysis I hope you enjoy this handy little tool!

About

Spectrum

Features
Read full description

Turn your iPhone or iPad into a professional audio tool. Spectrum-V lets you measure, visualize, and explore sound with precision — perfect for musicians, audio engineers, and enthusiasts. Key Features • Waveform Analyzer – Monitor live audio waveforms directly from the microphone. • Spectrum Analyzer (FFT) – View frequency distribution with a fast and colorful FFT spectrum. • Spectrogram (Waterfall) – Explore sound energy over time with a vivid spectrogram display. • dB Meter – Check sound levels instantly with a responsive decibel meter (dBFS). • Tuner – Detect pitch and musical notes in real time — great for guitar, vocals, or any instrument. Spectrum-V combines simplicity with powerful analysis tools, making it easy to visualize sound whether you’re practicing music, testing acoustics, or just exploring the audio world.

Screenshots

Live Spectrogram4 screens
Spectrum4 screens

Verdict

The call

The clearest difference is in-app purchases: Live Spectrogram at none against Spectrum's 1. Live Spectrogram also leads on price ($1.99 vs $5.99) and iOS requirement (13.0 vs 15.0). Spectrum's advantage is update cadence (every 2 weeks vs every 31 months). On ads and device support 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

Live Spectrogram costs $1.99 and Spectrum $5.99 up front. Spectrum sells 1 one-off in-app purchase. Live Spectrogram asks for nothing beyond the download.

UpkeepUpdate frequency

Live Spectrogram ships an update every 31 months, Spectrum every 2 weeks. The most recent releases landed on September 18, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Live Spectrogram versus Spectrum: the parameters behind the verdict, then further details
ParameterLive SpectrogramSpectrum
Price$1.99 — better$5.99
Rating4.8 (6 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings6 — better—
Update frequencyEvery 31 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size15 MB10 MB
Age rating4+4+
DeveloperKrueger Systems, Inc.Victor Serov

In-app purchases

None

Live Spectrogram

No in-app purchases

1 purchases

Spectrum

One-time1
  • Pro version$0.99

Questions

Is Live Spectrogram free?
Live Spectrogram costs $1.99, with no in-app purchases.
Is Spectrum free?
Spectrum costs $5.99, and also offers in-app purchases.
Do Live Spectrogram or Spectrum have ads?
Neither Live Spectrogram nor Spectrum shows ads.
Which is updated more often, Live Spectrogram or Spectrum?
Live Spectrogram ships an update every 31 months, and Spectrum every 2 weeks. Most recently, Live Spectrogram was updated on September 18, 2026 and Spectrum on October 10, 2026.

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