# AcousticLab — Stereo Recorder

> Professional stereo recorder and noise measurement device for iOS. (iPhone/iPad app by ZKXY Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/acousticlab/id1382478687 (this page in markdown: same URL + `.md`)
- Developer: [ZKXY Technology Co., Ltd](https://appshunter.io/developer/1382478384)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 15 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2020-07-23
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/acousticlab/id1382478687/reviews.md

## What is AcousticLab?

AcousticLab is a professional stereo recorder APP developed by ZKXY (a member of BSWA Group).  This APP will turn your iOS device into a professional noise measurement device with precise sound acquisition and analysis. The measurement system will fulfill the requirement of IEC and ASTM standards when using an external stereo sound card and precision microphones. The input channels (microphones) can be calibrated with a standard calibrator to get the actual sound level of test signals, and the output channels also can be corrected according to the surrounding environment.

- Support mono and stereo recording.
- The input channels can be calibrated with standard sound level calibrators or manually input the calibration factor.
- Support two kinds of setting to automatically trigger the recording.
- Prerecord function ensures every important signal will be capture.
- The key position of the signal can be easily marked and playback.
- The volume of the two playback channels can be adjusted respectively.


Monthly description of audio data package:
-FFT analysis of audio data. File format modification (caf/wav).
-Subscription cycle: 1 month (continuous monthly products)
-Subscription price: $9.99 / month
-Unsubscribe: manually open "Settings" of mobile phone, enter "app store", enter "account settings" page, click "subscribe" to unsubscribe manually

-Privacy Policy: http://neyue.com.cn/newsshown_7.html
-Terms and Conditions: http://neyue.com.cn/newsshown_6.html

## Key features

- Professional stereo recording
- Precise sound acquisition and analysis
- Input channel calibration
- Automatic recording triggers
- Prerecord function
- Signal marking and playback

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Audio Analysis Set, 1 Month | $9.99 | per month |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/acousticlab/id1382478687/reviews.md

### 4/5 — Calibration is wrong

*2021-10-18*

Can you double check your calibration algorithm? It is off by ~10-15dB. Other than this everything else is perfect.

## Frequently asked questions about AcousticLab

### What is AcousticLab?

AcousticLab is a professional stereo recorder and noise measurement app that turns your iOS device into a precise sound acquisition and analysis tool. It's developed by ZKXY, a member of BSWA Group.

### Does AcousticLab support mono and stereo recording?

Yes, AcousticLab supports both mono and stereo recording, offering flexibility for various audio capture needs.

### Can I calibrate the input channels in AcousticLab?

Yes, the input channels can be calibrated using standard sound level calibrators or by manually inputting a calibration factor to ensure accurate sound level measurements.

### What audio analysis features are available with the subscription?

The monthly subscription provides FFT analysis of audio data and allows modification of file formats to CAF/WAV. This enhances the analytical capabilities of the recorded audio.

### How much does the AcousticLab subscription cost?

The subscription for the Audio Analysis Set is $9.99 per month. This provides access to advanced features for a continuous monthly period.

### How do I unsubscribe from AcousticLab's subscription?

To unsubscribe, navigate to your iPhone's 'Settings', then 'App Store', 'Account Settings', and click 'Subscribe' to manage your subscriptions.

### What devices is AcousticLab compatible with?

AcousticLab is compatible with iPhone and iPod devices. It is rated for ages 4 and up.

### How often is AcousticLab updated?

The latest version, 1.2.2, was last updated on May 19, 2025. This indicates a relatively recent update, suggesting ongoing development and support.

## Version history (last 5 releases)

### 1.2.2 — 2025-05-19

Bug Fixed.

### 1.2.1 — 2024-10-13

UI Bug Fixed.

### 1.2.0 — 2024-09-20

The audio files can be transferred and managed via Wi-Fi.

### 1.1.4 — 2023-12-28

Bug Fixed.

### 1.1.3 — 2023-06-09

Support Bluetooth Headsets.
Bug Fixed.

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## More apps by ZKXY Technology Co., Ltd

- [NoiseLab: Noise Meter,SLM,dB](https://appshunter.io/ios/app/noiselab-noise-meterslmdb/id1382478385)
- [NoiseLab-Lite:Noise Meter,SLM](https://appshunter.io/ios/app/noiselab-litenoise-meterslm/id1429481583)

All apps by ZKXY Technology Co., Ltd: https://appshunter.io/developer/1382478384

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*