SDRFE Spectrum Analyser vs SpectralScan Audio Analyzer dB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDRFE Spectrum Analyser
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Real-time RF spectrum analyser application for SDRFE hardware platforms.
SpectralScan Audio Analyzer dB
Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.
- Real-time frequency spectrum visualization
- Sine sweep measurements for system response
- Spectrogram for time-frequency analysis
- Comparison and overlay of multiple measurements
- Export data as CSV or PNG
- Pro features for advanced analysis
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SpectralScan turns your phone into a professional audio analysis tool. Real-Time Analyzer (RTA) Visualize your acoustic environment live with a high-resolution frequency spectrum. Adjust smoothing, peak hold, and frequency range on the fly. Sine Sweep Measurements Run a precision sine sweep and capture the full frequency response and impulse response of any speaker, room, or audio system. Spectrogram Watch frequency content evolve over time with a scrolling waterfall display. Compare & Export Save multiple measurements, overlay them for comparison, and export as CSV or PNG. Pro features: multiple sweep measurements, fine octave smoothing, peak frequency display, and additional color themes and more coming.
Screenshots
Verdict
The clearest difference is in-app purchases: SDRFE Spectrum Analyser at none against SpectralScan Audio Analyzer dB's 1. SpectralScan Audio Analyzer dB's advantage is iOS requirement (15.0 vs 18.6). On price, update cadence, 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. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. SDRFE Spectrum Analyser asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.
| Parameter | SDRFE Spectrum Analyser | SpectralScan Audio Analyzer dB |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (12 ratings) — better |
| Number of ratings | — | 12 — better |
| Update frequency | Every 9 days | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | XionLogic Limited | Otsukare AB |
In-app purchases
SDRFE Spectrum Analyser
No in-app purchases
SpectralScan Audio Analyzer dB
- SpectralScan Pro$9.99
Questions
Is SDRFE Spectrum Analyser free?
Is SpectralScan Audio Analyzer dB free?
Do SDRFE Spectrum Analyser or SpectralScan Audio Analyzer dB have ads?
Which is updated more often, SDRFE Spectrum Analyser or SpectralScan Audio Analyzer dB?
Other comparisons
