ClapIR Acoustics Measurement
Stephen Tarzia Utilities iPhoneiPadiPod touch
ClapIR Acoustics Measurement is a free Utilities app for iPhone and iPad by Stephen Tarzia. Rated 3.9/5 from 14 ratings. Requires iOS 9.0.
- Rating
- 3.9
- 14 ratings
- Price
- Free
- on the App Store
- Size
- 1 MB
- Age 4+
- Updated
- Feb 1
- 2024 · v1.5
Screenshots
About ClapIR Acoustics Measurement
ClapIR is a tool for measuring the acoustic properties of a room. Simply start the app and clap your hands. ClapIR then analyzes the clap's recording to calculate the room's reverberation times and frequency response. It's acoustics engineering made easy! ClapIR is based on research done at Northwestern University by Prem Seetharaman and Stephen Tarzia.
Ratings & reviews
3.9
14 ratings
What’s new
Version 1.5 · Updated February 1, 2024
Fixed a major bug in the signal processing. In the 1.4 version of the app, decibel values were and rt60 values were both off by factors of 2.
App privacy
The developer, Stephen Tarzia, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to ClapIR Acoustics Measurement
Looking for apps like ClapIR Acoustics Measurement? Here are 6 similar apps on the App Store. The highest rated is HAA CinemaTools with HAA Link (5.0/5), and all 6 are free to download.
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BuzziSpace RT60
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ClapReverb
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SignalScope X
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Building Acoustics Partner
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SoundMeter X
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HAA CinemaTools with HAA Link
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ClapIR Acoustics Measurement | 3.9 / 5 (14 ratings) | Free | February 1, 2024 | |
| BuzziSpace RT60 | 2.7 / 5 (3) | Free | Mar 9, 2026 | Compare |
| ClapReverb | 4.4 / 5 (14) | Free | Jan 25, 2026 | Compare |
| SignalScope X | 3.0 / 5 (23) | Free | Oct 24, 2026 | Compare |
| Building Acoustics Partner | – | Free | May 4, 2026 | Compare |
| SoundMeter X | 3.6 / 5 (45) | Free | Sep 25, 2026 | Compare |
| HAA CinemaTools with HAA Link | 5.0 / 5 (1) | Free | Oct 20, 2026 | Compare |