Spectre vs Audio Analyzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spectre
This audio analysis utility provides real-time FFT and oscilloscope views for sound input. Customize waveform display, control sample rates, and zoom in for detailed analysis on iOS devices.
- FFT Analysis
- Oscilloscope
- Customizable Waveform
- Linear & Logarithmic Forms
- Pause/Play Controls
- Zoom Functionality
Read full descriptionHide full description
Spectre is an iOS audio analysis utility designed to be useful and visually appealing, making use of retina displays. Feature Highlights: • FFT(Fast Fourier Transform) Analysis • Oscilloscope • Customizable Features: Wave Amplitude, Sample/Time Control, Line Width • Linear & Logarithmic Wave Forms • Pause/Play Controls • Zoom in/out on the Waveform! • Optimized for iPhone 3,4,5 and iOS 7 Currently this app takes input from standard input, and external mics. Cross-app sound analysis coming soon! Waveform recording also coming soon!
Audio Analyzer
Visualize audio in real-time with waveform and spectrum analysis. Explore historical peaks and FFT data with intuitive touch controls for zooming and volume adjustment.
- Waveform visualizer (oscilloscope)
- Spectrum analyzer
- Historical peak display
- Historical FFT
- Full-screen mode
- Zoom and swipe gestures
- Input volume adjustment
Read full descriptionHide full description
The analyzed result of the waveform is rendered at 60FPS. The following 4 functions can be accessed: Waveform visualizer (oscilloscope) Spectrum analyzer Historical peak Historical FFT Tapping each function enters into full-screen mode and tapping once more exits full-screen mode. Horizontal zoom is only available for the spectrum analyzer. Magnification gesture (aka pinching) allows for zooming in and out, and frequency offset can be performed by swiping on the screen horizontally. Vertical swiping adjusts input volume. Coefficients are displayed in the corner. *dBFullScale 20 * log10 ( input) A demonstration is here. https://www.youtube.com/watch?v=6mDa_zCgYzE
Screenshots
Verdict
The clearest difference is review sentiment: Audio Analyzer at 100% against Spectre's 40%. Audio Analyzer also leads on rating (5.0 vs 3.0) and update cadence (every 2 months vs every 96 months). Spectre's advantage is price ($0.99 vs $3.99). On ratings volume, ads, in-app purchases and monetization model 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
Spectre costs $0.99 and Audio Analyzer $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Audio Analyzer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 40% of Spectre's written reviews are positive against 100% of Audio Analyzer's.
Spectre ships an update every 96 months, Audio Analyzer every 2 months. The most recent releases landed on September 6, 2026 and September 13, 2026 respectively.
| Parameter | Spectre | Audio Analyzer |
|---|---|---|
| Price | $0.99 — better | $3.99 |
| Rating | 3.0 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 2 |
| Update frequency | Every 96 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 46 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Hand | Narumi Inada |
Customer experience
Spectre
Audio Analyzer
In-app purchases
Spectre
No in-app purchases
Audio Analyzer
No in-app purchases
Questions
Is Spectre free?
Is Audio Analyzer free?
Which has better reviews, Spectre or Audio Analyzer?
Do Spectre or Audio Analyzer have ads?
Which is updated more often, Spectre or Audio Analyzer?
Other comparisons
