# BTWATTCH vs Reverb Time Analyzer

The clearest difference is price: BTWATTCH at Free against Reverb Time Analyzer's $6.99. BTWATTCH also leads on update cadence (every 2 months vs every 8 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

BTWATTCH is free to download; Reverb Time Analyzer costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BTWATTCH ships an update every 2 months, Reverb Time Analyzer every 8 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BTWATTCH | Reverb Time Analyzer |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/reverb-time-analyzer/id6497171936/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | — | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **9.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### BTWATTCH

[App page](https://appshunter.io/ios/app/btwattch/id887695333)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reverb Time Analyzer

[App page](https://appshunter.io/ios/app/reverb-time-analyzer/id6497171936)

This acoustic analysis tool measures room reverberation time using an interrupted noise method. It provides detailed analysis of sound decay, including RT30/RT20, RT60, and octave-band spectrograms. Ideal for optimizing listening environments and identifying acoustic issues.

**Highlights:** Reverberation time analysis (RT30/RT20, RT60), Interrupted noise method with white noise source, Octave-band spectrogram analysis, Background noise level measurement, Sound pressure level measurement, Sound recording and playback, Measurement error detection

**In-app purchases:** none


## Frequently asked questions

### Is BTWATTCH free?

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

### Is Reverb Time Analyzer free?

Reverb Time Analyzer costs $6.99, with no in-app purchases.

### Do BTWATTCH or Reverb Time Analyzer have ads?

Neither BTWATTCH nor Reverb Time Analyzer shows ads.

### Which is updated more often, BTWATTCH or Reverb Time Analyzer?

BTWATTCH ships an update every 2 months, and Reverb Time Analyzer every 8 months. Most recently, BTWATTCH was updated on October 8, 2026 and Reverb Time Analyzer on October 12, 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.*