NDS8120 vs Audio RTA Analyzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NDS8120
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NDS8120 is a application for Nakamichi Digital Sound Processor.
Audio RTA Analyzer
This application transforms your mobile device into a real-time audio analysis tool. It allows you to monitor sound frequencies, decibel levels, and identify peaks using your device's microphone, aiding in the tuning and testing of various audio systems.
- Real-time RTA/FFT analyzer
- dB meter
- Frequency generator
- Test tones, noise, and sweeps
- Subwoofer test tools
- Stereo channel tests
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Audio RTA Analyzer turns your phone into a fast audio test bench for real-time analysis and practical sound checks. Use your device's microphone to view the live spectrum, track frequencies, monitor dB levels and spot peaks that can help with speakers, PA systems, home studios, instruments and car audio tuning. Main tools: - Real-time RTA/FFT analyzer - dB meter for quick sound checks - Hz frequency generator - Test tones, noise and sweeps - Subwoofer test tools - Stereo channel tests for left, right and center - Clear visuals for stage, studio, installation and workshop use Built for musicians, sound techs, audio engineers, installers and car audio users who need quick insight without carrying extra gear. Note: measurements depend on your device microphone and hardware. For certified calibration, use dedicated professional instruments.
Screenshots
Verdict
The clearest difference is in-app purchases: NDS8120 at none against Audio RTA Analyzer's 1. NDS8120 also leads on iOS requirement (9.0 vs 15.0). Audio RTA Analyzer's advantage is update cadence (every 5 days vs every 3 months). 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 RTA Analyzer sells 1 one-off in-app purchase. NDS8120 asks for nothing beyond the download.
NDS8120 ships an update every 3 months, Audio RTA Analyzer every 5 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.
| Parameter | NDS8120 | Audio RTA Analyzer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 39 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Aidan Blessindo Electronic Co.,Ltd. | Mateus Polonini Cardoso |
In-app purchases
NDS8120
No in-app purchases
Audio RTA Analyzer
- Audio Analyzer RTA Pro$1.99
Questions
Is NDS8120 free?
Is Audio RTA Analyzer free?
Do NDS8120 or Audio RTA Analyzer have ads?
Which is updated more often, NDS8120 or Audio RTA Analyzer?
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