# Building Acoustics Partner — Measure sound insulation

> Measure sound insulation (iPhone/iPad app by Hottinger Bruel & Kjaer A/S.)

- Source: https://appshunter.io/ios/app/building-acoustics-partner/id1487977751 (this page in markdown: same URL + `.md`)
- Developer: [Hottinger Bruel & Kjaer A/S](https://appshunter.io/developer/622515894)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 160 MB
- Languages: Catalan, Croatian, Danish, Dutch, French, German, Italian, Japanese, Portuguese, Romanian and 4 more
- Released: 2022-06-24
- Data updated: 2026-05-12
- User reviews in markdown: https://appshunter.io/ios/app/building-acoustics-partner/id1487977751/reviews.md

## What is Building Acoustics Partner?

Together with HBK 2255 sound level meter, Building Acoustics Partner is a complete solution for sound insulation measurements. Building Acoustics Partner provides full workflow support for sound insulation testing according to national and international standards, including ISO 16283. Easy and intelligent measurement reuse helps to make your testing as efficient as possible, while instant result calculations and measurement quality indicators give you confidence in your data. Describe site conditions using photo, video, text and voice note annotations. Building Acoustics Partner is also prepared for the most challenging testing situations, with the ability to use serial measurement of individual 1/3 octave bands, markers to exclude unwanted sounds, and more.


## Version history (last 5 releases)

### 1.7.1 — 2026-05-04

New features:
- Two positions in the same function can now be measured simultaneously 
- New standard NEN 5077:2019+A1:2025 supported
- Auto accept of measurements in the same position now supported
- A new partition with two new rooms can now be created in one tap 

Bugs fixed:
- Setups were not always persisted in project
- Sometimes deleting a partition was prevented
- Simultaneous L1 and L2 measurements required instrument clocks aligned
- Space was not supported in network passwords
- Dragging on spectrum was very slow
- Measurement assistant was left on after pocket mode

### 1.6.2 — 2026-01-16

Fixed some graphical glitches in iOS 26.2

### 1.6.1 — 2025-12-23

- iOS 26 and Liquid Glass support
- Update to .net9 and update dependencies to latest versions
- ISR single value should be calculated for ISPL even when no T2 is measured
- Various bug fixes and small enhancements

### 1.5.0 — 2025-08-11

New in this version:
- Support web password on the HBK 2755 amplifier
 - Fixed that source selector was not always visible for NEN standards

### 1.4.8 — 2025-03-17

New features:
 - Add option to copy a project setup
 - Allow reuse of B2 and T2 data between projects
 - Add ability to drag partitions to desired order
 - Improve triggered measurement start with trigger level relative to B2

Bugs fixed:
 - Background noise LAEQ is not shown in Overview page
 - When phone is on teams the app cannot be launched
 - Cannot connect to 2255 with Japanese or Chinese language
 - Project list refresh does not work
 - Multi connect of instruments with different setup modes connects incorrectly
 - Smiley indication of LF L2 is sometimes wrong
 - L1L2 measurements crashes for facade measurements when assistant is used

## Apps similar to Building Acoustics Partner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [ClapIR Acoustics Measurement](https://appshunter.io/ios/app/clapir-acoustics-measurement/id521153051) | 3.8 (12) | Free | Utilities |
| [Building Acoustics Pro](https://appshunter.io/ios/app/building-acoustics-pro/id1670904136) | — | Free | Utilities |
| [Room acoustics measurement](https://appshunter.io/ios/app/room-acoustics-measurement/id6451151832) | — | Free | Utilities |
| [BuzziSpace RT60](https://appshunter.io/ios/app/buzzispace-rt60/id1613535156) | 2.7 (3) | Free | Utilities |
| [ClapReverb](https://appshunter.io/ios/app/clapreverb/id1407467855) | 5.0 (5) | Free | Utilities |
| [NoiseLab-Lite:Noise Meter,SLM](https://appshunter.io/ios/app/noiselab/id1429481583) | 5.0 (3) | Free | Utilities |

## More apps by Hottinger Bruel & Kjaer A/S

- [Sonoscout](https://appshunter.io/ios/app/sonoscout/id622515891)
- [Measurement Partner Field App](https://appshunter.io/ios/app/measurement-partner-field-app/id919087209)
- [Transducer Smart Setup](https://appshunter.io/ios/app/transducer-smart-setup/id1031534190)
- [VSoundRC](https://appshunter.io/ios/app/vsoundrc/id1084383979)
- [MultiJuror](https://appshunter.io/ios/app/multijuror/id1265128795)
- [Noise Partner](https://appshunter.io/ios/app/noise-partner/id1316605929)

All apps by Hottinger Bruel & Kjaer A/S: https://appshunter.io/developer/622515894

---

*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 2026-05-12.*