# ClapReverb vs eFSKILL

The clearest difference is iOS requirement: ClapReverb at 15.6 against eFSKILL's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ClapReverb | eFSKILL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/clapreverb/id1407467855/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 41.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 18 MB | 5 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Atelier 7hz](https://appshunter.io/developer/1407467854) | [Yuta Noguchi](https://appshunter.io/developer/1837169053) |

## What reviewers say

### 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


### eFSKILL

[App page](https://appshunter.io/ios/app/efskill/id6786272253)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ClapReverb free?

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

### Is eFSKILL free?

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

### Do ClapReverb or eFSKILL have ads?

Neither ClapReverb nor eFSKILL shows ads.

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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.*