# Decibel Check vs KeepWaves

The clearest difference is rating: KeepWaves at 5.0 against Decibel Check's 1.5. KeepWaves also leads on in-app purchases (none vs 2). Decibel Check's advantage is update cadence (every 3 weeks vs every 19 months) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Decibel Check sells 2 in-app purchases, starting at $1.99 per month. KeepWaves asks for nothing beyond the download.

KeepWaves holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Decibel Check ships an update every 3 weeks, KeepWaves every 19 months. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Decibel Check | KeepWaves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/decibel-check/id6503355419/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keepwaves/id6742164032/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 19 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 15 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Evo Tec Labs @ Pepperbit Online](https://appshunter.io/developer/1665371293) | [Arla Services](https://appshunter.io/developer/1793706092) |

## What reviewers say

### Decibel Check

[App page](https://appshunter.io/ios/app/decibel-check/id6503355419)

Transform your smartphone into a precise sound level meter. Measure minimum, average, and maximum decibel levels with real-time visualizations and recording capabilities for detailed analysis. Gain insights into your auditory environment.

**Highlights:** Real-time Min, Avg, Max sound level measurement, Sound recording for analysis, Intuitive data visualizations, Clear and user-friendly interface, Precise sound measurements

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium MONTHLY | $1.99 | per month |
| Premium YEARLY | $9.99 | per year |


### KeepWaves

[App page](https://appshunter.io/ios/app/keepwaves/id6742164032)

Transform audio recordings into visual art with customizable waveform visualizations. Capture high-quality sound, apply effects, and share your unique acoustic memories as audio, images, or videos. Preserve precious sounds in a way that engages both sight and hearing.

**Highlights:** Customizable waveform visualizations, High-quality audio recording, Real-time visualization, Advanced audio processing, Multiple export options (audio, image, video), Intuitive organization and search, Interactive playback

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Check free?

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

### Is KeepWaves free?

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

### Which has better reviews, Decibel Check or KeepWaves?

KeepWaves is rated higher. Decibel Check averages 1.5 out of 5 from 2 ratings, while KeepWaves averages 5.0 from 1 ratings.

### Do Decibel Check or KeepWaves have ads?

Neither Decibel Check nor KeepWaves shows ads.

### Which is updated more often, Decibel Check or KeepWaves?

Decibel Check ships an update every 3 weeks, and KeepWaves every 19 months. Most recently, Decibel Check was updated on October 12, 2026 and KeepWaves on September 28, 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.*