STETSOM STX2436 vs Audio Spectrum Analyzer Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STETSOM STX2436
This application allows users to control the STETSOM STX2436 Audio Processor. It offers a demonstration mode to test its functionality even without the physical hardware.
- Control STETSOM STX2436 Audio Processor
- Demonstration mode for testing
- Activate demo mode via settings
- Side menu access
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Control STETSOM STX2436 Audio Processor If you still do not have the STX2436 audio processor, you can enable the demonstration mode to test application functionality. To activate this mode you must open the side menu, go to Settings and checking the Activate demo mode option.
Audio Spectrum Analyzer Pro
Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.
- Octave Band Real Time Analyzer
- FFT Plot (Fast Fourier Transform)
- Sound level meter (dB meter)
- Noise Rating and Noise Criterion support
- Support for external microphones
- Pre-calibrated mic profiles
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Audio Spectrum Analyzer is a powerful real-time audio analysis app. Full of features yet very simple to use. Sound level meter (db meter a-weighted, noise rating, noise criterion) included. Feature Highlights: • Octave Band Real Time Analyzer • FFT Plot (Fast Fourier Transform) • Linear and logarithm scales • Up to 16384 FFT size • A lot of available window functions • Tracking for max value • Max and Min for any selected frequency • Stunned graphics • Reliable measurement accuracy with pre-calibrated profiles for 3 device-integrated mics • Additional precision with integrated support and pre-calibrated profiles for AirPods, AirPods Pro • Safer measurements using the Airpods Pro noise cancellation feature • Support for external microphones (wired or via Bluetooth) • Noise Rating and Noise Criterion support And many many more... Terms of Use: https://www.iubenda.com/terms-and-conditions/94359518
Screenshots
Verdict
The clearest difference is review sentiment: Audio Spectrum Analyzer Pro at 57% against STETSOM STX2436's 13%. Audio Spectrum Analyzer Pro also leads on rating (4.4 vs 2.0) and ratings volume (239 vs 1). STETSOM STX2436's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 13.0). On price, 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
Both are free to download. Audio Spectrum Analyzer Pro sells 2 in-app purchases, starting at $19.99 per year. STETSOM STX2436 asks for nothing beyond the download.
Audio Spectrum Analyzer Pro holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer Pro has 239 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 13% of STETSOM STX2436's written reviews are positive against 57% of Audio Spectrum Analyzer Pro's.
STETSOM STX2436 ships an update every 24 months, Audio Spectrum Analyzer Pro every 7 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.
| Parameter | STETSOM STX2436 | Audio Spectrum Analyzer Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.4 (239 ratings) — better |
| Positive reviews | 12.8% of reviews | 57.4% of reviews — better |
| Number of ratings | 1 | 239 — better |
| Update frequency | Every 24 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 39 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | STETSOM ELETRÔNICA LTDA | Vlad Polyanskiy |
Customer experience
STETSOM STX2436
Audio Spectrum Analyzer Pro
Bugs and requests
STETSOM STX2436
Not enough reviews yet to summarise bugs or requests.
Audio Spectrum Analyzer Pro
Reported bugs
11 issues- App crashes on iOS 16 and iOS 26 launches
- FFT resolution not working after iOS updates
- Graph display freezes or becomes unresponsive
- Spectrograph mode too slow on newer iPhones
- Frequency alignment issues with dynamic display
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- App won't uninstall properly
- Malware warnings appearing
- Help links and support pages broken/dead
- Incorrect dB level readings (off by ~20dB)
- Recording functions non-functional
- Half black screen in certain orientations
Requested features
11 requests- Audio file upload capability
- White noise/test signal generator
- Microphone calibration file support
- Recording functionality with timestamp
- Multiple frequency cursors for comparison
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- Ability to compare before/after curves
- Adjustable dB level zoom/scaling
- Saved settings and personalizations
- Audio Unit (AUV3) plugin support
- Peak hold reset button
- Time-domain recording in spectrograph mode
In-app purchases
STETSOM STX2436
No in-app purchases
Audio Spectrum Analyzer Pro
- Premium Mode7 Days trial$19.991 Year
- Premium Pack$29.99
Questions
Is STETSOM STX2436 free?
Is Audio Spectrum Analyzer Pro free?
Which has better reviews, STETSOM STX2436 or Audio Spectrum Analyzer Pro?
Do STETSOM STX2436 or Audio Spectrum Analyzer Pro have ads?
Which is updated more often, STETSOM STX2436 or Audio Spectrum Analyzer Pro?
Other comparisons
