# ZoomVolume vs Decibel Meter Sound Level dB

The clearest difference is ads: ZoomVolume at none against Decibel Meter Sound Level dB's shown. ZoomVolume also leads on monetization model (free vs free with in-app purchases) and update cadence (every 5 weeks vs every 3 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. ZoomVolume sells 1 one-off in-app purchase and Decibel Meter Sound Level dB sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for ZoomVolume against 4.4 for Decibel Meter Sound Level dB. Both are backed by a comparable volume of ratings — 11 and 24 respectively. Written reviews are what separate them: 48% of ZoomVolume's written reviews are positive against 38% of Decibel Meter Sound Level dB's.

ZoomVolume ships an update every 5 weeks, Decibel Meter Sound Level dB every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ZoomVolume | Decibel Meter Sound Level dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (11 ratings)](https://appshunter.io/ios/app/zoomvolume/id511015764/reviews) | **[4.4 (24 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-level-db/id1609178369/reviews)** |
| Number of ratings | 11 | **24** |
| Positive reviews | **48.4% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 19 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [takaaki024](https://appshunter.io/developer/393783638) | [汇杭 钟](https://appshunter.io/developer/1481585840) |

## What reviewers say

### ZoomVolume

[App page](https://appshunter.io/ios/app/zoomvolume/id511015764)

Precisely adjust your device's audio levels with this utility. It offers on-screen volume control for fine-tuning and allows saving custom presets. You can also manage volume using the physical hardware buttons.

**Highlights:** Accurate on-screen volume adjustment, Hardware volume button control, Save and load favorite volume presets, Fine-tune minimum volume levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Decibel Meter Sound Level dB

[App page](https://appshunter.io/ios/app/decibel-meter-sound-level-db/id1609178369)

This tool transforms your iPhone into a professional sound level meter. It measures noise levels, tracks daily noise exposure, and can record video with embedded decibel data for evidence. Analyze sound frequencies and generate reports for workplace compliance or noise complaints.

**Highlights:** Professional noise dosimeter, OSHA & NIOSH standards compliance, Video recording with dB overlay, Spectrum analyzer (RTA), PDF report export, Calibration for accuracy, Background measurement mode

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $29.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is ZoomVolume free?

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

### Is Decibel Meter Sound Level dB free?

Decibel Meter Sound Level dB is free to download, with in-app purchases available.

### Which has better reviews, ZoomVolume or Decibel Meter Sound Level dB?

Decibel Meter Sound Level dB is rated higher. ZoomVolume averages 4.3 out of 5 from 11 ratings, while Decibel Meter Sound Level dB averages 4.4 from 24 ratings.

### Do ZoomVolume or Decibel Meter Sound Level dB have ads?

Decibel Meter Sound Level dB shows ads; ZoomVolume does not.

### Which is updated more often, ZoomVolume or Decibel Meter Sound Level dB?

ZoomVolume ships an update every 5 weeks, and Decibel Meter Sound Level dB every 3 months. Most recently, ZoomVolume was updated on October 23, 2026 and Decibel Meter Sound Level dB 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.*