Comparison

Building Acoustics Partner vs PSI Audio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Building Acoustics Partner

Features
Read full description

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.

About

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.

Highlights
  • Remote AVAA system control
  • Device information access (serial, firmware, SSID)
  • Firmware updates
  • Acoustics and room mode information
  • Optimized absorption features
Features
Read full description

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

Building Acoustics Partner4 screens
PSI Audio4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
Building Acoustics Partner versus PSI Audio: the parameters behind the verdict, then further details
ParameterBuilding Acoustics PartnerPSI Audio
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.014.0 — better
Further details — not scored
Size210 MB26 MB
Age rating4+4+
DeveloperHottinger Bruel & Kjaer A/SRelec SA

In-app purchases

None

Building Acoustics Partner

No in-app purchases

None

PSI Audio

No in-app purchases

Questions

Is Building Acoustics Partner free?
Building Acoustics Partner is free to download, with no in-app purchases.
Is PSI Audio free?
PSI Audio is free to download, with no in-app purchases.
Do Building Acoustics Partner or PSI Audio have ads?
Neither Building Acoustics Partner nor PSI Audio shows ads.
Which is updated more often, Building Acoustics Partner or PSI Audio?
Building Acoustics Partner ships an update every 4 months, and PSI Audio every 2 months. Most recently, Building Acoustics Partner was updated on October 26, 2026 and PSI Audio on October 23, 2026.

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