# Decibel Meter Sound Level dB vs Crazy Small Spinner

The clearest difference is price: Decibel Meter Sound Level dB at Free against Crazy Small Spinner's $0.99. Crazy Small Spinner's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Decibel Meter Sound Level dB is free to download; Crazy Small Spinner costs $0.99 up front. Decibel Meter Sound Level dB sells 4 in-app purchases, starting at $4.99 per 7 days. Crazy Small Spinner asks for nothing beyond the download.

## The numbers

| Metric | Decibel Meter Sound Level dB | Crazy Small Spinner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (24 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-level-db/id1609178369/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 2 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [汇杭 钟](https://appshunter.io/developer/1481585840) | [里 万](https://appshunter.io/developer/1895966035) |

## What reviewers say

### 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 |


### Crazy Small Spinner

[App page](https://appshunter.io/ios/app/crazy-small-spinner/id6769704076)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter Sound Level dB free?

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

### Is Crazy Small Spinner free?

Crazy Small Spinner costs $0.99, with no in-app purchases.

### Do Decibel Meter Sound Level dB or Crazy Small Spinner have ads?

Decibel Meter Sound Level dB shows ads; Crazy Small Spinner does not.

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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.*