# Room Acoustics Meter

> Set up a listening room. Measure frequency, phase, impulse response, waterfall.

Canonical page: [https://chrome-stats.com/d/com.hifi\_apps.ra\_meter](https://chrome-stats.com/d/com.hifi_apps.ra_meter)

## Overview

- **ID:** `com.hifi_apps.ra_meter`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Dr. Johann Gaus
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 90,966
- **Rating:** 3.55 / 5 (148 ratings)
- **Version:** 2.27
- **Last updated:** 2026-09-03
- **First published:** 2021-10-21
- **Publisher country:** DE
- **Size:** 12 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.hifi_apps.ra_meter)
- **Website:** [https://www.hifi-apps.com](https://www.hifi-apps.com/)
- **Privacy policy:** [https://www.hifi-apps.com/privacy.htm](https://www.hifi-apps.com/privacy.htm)

## Description

Room Acoustics Meter is a powerful Chrome extension designed to help you optimize your listening environment. Connect your Android device to your sound system and perform detailed acoustic measurements, including frequency response, phase, and impulse response. Generate visualizations such as waterfall diagrams and sound pressure maps to deeply understand the acoustic characteristics of your room.

Key features include log sweep measurement, serial measurements at multiple microphone positions, automatic microphone position detection, and comprehensive analysis tools like FFT and wavelet waterfall displays. The extension supports calibration for built-in microphones, imports calibration data for measurement microphones, and exports data in formats compatible with various audio programs. Available in English and German, Room Acoustics Meter is ideal for precise setup and tuning of audio spaces.

## Rankings

- #230,819 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.BLUETOOTH`
- `android.permission.BROADCAST_STICKY`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.INTERNET`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.RECORD_AUDIO`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.hifi_apps.ra_meter.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

The Room Acoustics Meter app is valued by audio professionals and enthusiasts for its powerful acoustics measurement capabilities. However, it requires technical expertise to interpret results properly. Users praise it as a good mobile alternative to desktop tools, especially when paired with calibrated microphones. Common criticisms include a rough and sometimes poorly designed interface, limited export options, and dissatisfaction with paid features or data usage. Overall, it is effective but better suited for experienced users.

### Pros

- Extremely capable and provides excellent professional-level acoustics data.
- Useful tool for audio engineers and consultants for space and speaker calibration.
- Provides valuable information for sound calibration when used with calibrated microphones.
- Offers a good mobile alternative to desktop room acoustics software.
- Free version is useful with paid features enhancing fine tuning.

### Cons

- Very technical and requires knowledge of sound engineering or physics to use effectively.
- Interface is rough, poorly designed, and may not display correctly on some screens.
- Cannot export data in common formats like .txt.
- Some users mention the app charges for graphics or full results, which can be frustrating.
- Negative reviews mention it being a waste of time or data, with some calling it fake.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.hifi_apps.ra_meter)