# Spectrogram

> Displays real time graphics representing the sound captured by the microphone.

Canonical page: [https://chrome-stats.com/d/au.com.digivista.spectrogram](https://chrome-stats.com/d/au.com.digivista.spectrogram)

## Overview

- **ID:** `au.com.digivista.spectrogram`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** DigiVista
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 20,164
- **Rating:** 3.37 / 5 (60 ratings)
- **Version:** 1.1.5
- **Last updated:** 2026-02-06
- **First published:** 2018-08-29
- **Publisher country:** AU
- **Size:** 7.11 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=au.com.digivista.spectrogram)
- **Website:** [https://www.digivista.com.au/](https://www.digivista.com.au/)
- **Privacy policy:** [https://www.digivista.com.au/privacy\_policy.html](https://www.digivista.com.au/privacy_policy.html)

## Description

"Spectrogram" is an Android app that uses Fast Fourier Transform (FFT) to analyze sound captured by your device's microphone in real time. It visualizes the results as a spectrogram, allowing users to see sound waves in action. The app includes a frequency and musical note detector displayed in the top left corner, making it easy to explore the auditory world. Perfect for musicians and sound enthusiasts, just whistle some notes to see the effects in real time.

## Rankings

- #431,320 — Overall

## Permissions and access

### Permissions

- `android.permission.RECORD_AUDIO`
- `au.com.digivista.spectrogram.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Spectrogram is praised for its usefulness in audio analysis and is usable on some devices, with positive feedback across several reviews. However, users report major performance problems (slow, GPU-memory related), missing essential controls (FFT window size, zoom, time/frequency window), and visual quality issues (jittery/pixelated rendering). Some also note imperfect audio quality and inaccurate spectrum readings. Overall a mixed but critical reception.

### Pros

- Excellent app for analysis of audio/spectrum.
- Works well and is usable on some devices (e.g., Note 8).
- Positive overall reception across multiple reviews (e.g., 'nice work').

### Cons

- Severe performance and resource issues: very slow, laggy, and GPU memory errors.
- Lack of essential spectral analysis controls: FFT window size/zoom/time and frequency window adjustments.
- Visual rendering issues: jittery drawing and pixelation.
- Audio/spectrum accuracy issues: not great audio quality and mis-detection (e.g., whistles triggering multiple frequencies).

## Similar extensions and apps

- [Spectrogram](https://chrome-stats.com/d/com.toneboosters.spectrogramios) — 3,011 users, 3.60 / 5
- [IGram2 Spectrum FFT](https://chrome-stats.com/d/com.idroidbot.igram2) — 104 users
- [SpecStream Audio Spectrum Plot](https://chrome-stats.com/d/com.hardcodedjoy.specstream) — 18,369 users, 3.80 / 5
- [sm Spectrogram](https://chrome-stats.com/d/sm.app.spectro) — 4,278 users
- [SimpleSpectrogram](https://chrome-stats.com/d/com.MusicalSoundLab.Spectrogram) — 27,124 users, 2.50 / 5
- [Spectrojam](https://chrome-stats.com/d/com.nonsequentialtimelabs.spectrojam) — 2,376 users, 4.91 / 5
- [Spectrum Scope](https://chrome-stats.com/d/com.cynpli.spectrumscope) — 2,646 users
- [Sound monitor FFTWave](https://chrome-stats.com/d/jp.gr.java_conf.ensoftware) — 106,755 users, 4.11 / 5
- [Spectrum Analyser](https://chrome-stats.com/d/com.keuwl.spectrumanalyzer) — 657,878 users, 4.19 / 5
- [FFT Audio Frequency Analyzer](https://chrome-stats.com/d/com.frequencyanalyzer.app) — 34 users
- [SpectralPro Analyzer](https://chrome-stats.com/d/radonsoft.net.spectralviewpro) — 17,055 users, 3.54 / 5
- [FrequenSee - Spectrum Analyzer](https://chrome-stats.com/d/com.DanielBach.FrequenSee) — 591,116 users, 4.29 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/au.com.digivista.spectrogram)