# ClapReverb vs Wash Timer

The clearest difference is in-app purchases: ClapReverb at none against Wash Timer's 2. ClapReverb also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.0). Wash Timer's advantage is update cadence (every 3 days vs every 4 months). On price and ads there is nothing between them.

Both are free to download. Wash Timer sells 2 in-app purchases, starting at $0.99 per month. ClapReverb asks for nothing beyond the download.

ClapReverb ships an update every 4 months, Wash Timer every 3 days. The most recent releases landed on September 29, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | ClapReverb | Wash Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/clapreverb/id1407467855/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 41.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 18 MB | 63 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Atelier 7hz](https://appshunter.io/developer/1407467854) | [JACKSON KARL JORSS](https://appshunter.io/developer/6783789229) |

## 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


### Wash Timer

[App page](https://appshunter.io/ios/app/wash-timer/id6783789227)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wash Timer Pro Monthly | $0.99 | per month |
| Wash Timer Pro 6 Months | $3.99 | per 6 months |


## Frequently asked questions

### Is ClapReverb free?

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

### Is Wash Timer free?

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

### Do ClapReverb or Wash Timer have ads?

Neither ClapReverb nor Wash Timer shows ads.

### Which is updated more often, ClapReverb or Wash Timer?

ClapReverb ships an update every 4 months, and Wash Timer every 3 days. Most recently, ClapReverb was updated on September 29, 2026 and Wash Timer on September 7, 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.*