# AcousticApp vs ClapReverb

The clearest difference is review sentiment: AcousticApp at 81% against ClapReverb's 42%. AcousticApp also leads on iOS requirement (13.0 vs 15.6). ClapReverb's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AcousticApp sells 1 in-app purchase, starting at $0.99 per month. ClapReverb asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | AcousticApp | ClapReverb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (14 ratings)](https://appshunter.io/ios/app/clapreverb/id1407467855/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | **81.3% of reviews** | 41.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 90 MB | 18 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [objectiv GmbH & Co. KG](https://appshunter.io/developer/1121646876) | [Atelier 7hz](https://appshunter.io/developer/1407467854) |

## What reviewers say

### AcousticApp

[App page](https://appshunter.io/ios/app/acousticapp/id1121646877)

Measure and analyze sound and room acoustics with professional tools. Calculate reverberation time, simulate acoustic changes, and test your hearing. Optimize spaces with advanced features and personalized reports.

**Highlights:** Professional sound and noise measurement (RTA), Reverberation time calculation and evaluation, Acoustic simulation before/after optimization, Hearing ability test across frequency ranges, Room acoustics calculation with user-defined absorbers, Personalized report generation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acoustic App Pro Version | $0.99 | per month |


### ClapReverb

[App page](https://appshunter.io/ios/app/clapreverb/id1407467855)

Instantly measure the reverberation time of any enclosed space with a simple clap. This app analyzes room acoustics, helping you determine if a space is too echoey or too dry. It's a scientifically validated tool for professionals and curious individuals alike.

**Highlights:** Measure reverberation time, Analyze room acoustics, Simple clap-based measurement, Intuitive interface, Scientifically validated results, Compare to reference values

**In-app purchases:** none


## Frequently asked questions

### Is AcousticApp free?

AcousticApp is free to download, with in-app purchases available.

### Is ClapReverb free?

ClapReverb is free to download, with no in-app purchases.

### Do AcousticApp or ClapReverb have ads?

Neither AcousticApp nor ClapReverb shows ads.

### Which is updated more often, AcousticApp or ClapReverb?

AcousticApp ships an update every 4 months, and ClapReverb every 4 months. Most recently, AcousticApp was updated on October 24, 2026 and ClapReverb on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*