Building Acoustics Partner vs PSI Audio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Building Acoustics Partner
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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.
PSI Audio
Remotely control your AVAA active system for low-frequency room mode absorption. Access device information, update firmware, and learn about acoustics and room modes.
- Remote AVAA system control
- Device information access (serial, firmware, SSID)
- Firmware updates
- Acoustics and room mode information
- Optimized absorption features
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The AVAA is a unique active system to absorb low frequency room modes in a room. This application allows you to remotely control your AVAA(s) through your mobile phone. It also gives you access to all the information relative to your device such as serial number, firmware version, SSID, etc. You will also need this application to get access to the latest firmware and ensure you have all available features and optimised absorption. Furthermore, this application will give you general information on acoustics, room modes and how best to use your AVAA(s).
Screenshots
Verdict
The clearest difference is update cadence: PSI Audio at every 2 months against Building Acoustics Partner's every 4 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Building Acoustics Partner ships an update every 4 months, PSI Audio every 2 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.
| Parameter | Building Acoustics Partner | PSI Audio |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 210 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Hottinger Bruel & Kjaer A/S | Relec SA |
In-app purchases
Building Acoustics Partner
No in-app purchases
PSI Audio
No in-app purchases
Questions
Is Building Acoustics Partner free?
Is PSI Audio free?
Do Building Acoustics Partner or PSI Audio have ads?
Which is updated more often, Building Acoustics Partner or PSI Audio?
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