# Decibel Meter Sound Level dB vs HeaderCheck

The clearest difference is ads: HeaderCheck at none against Decibel Meter Sound Level dB's shown. HeaderCheck also leads on update cadence (every 2 days vs every 3 months). Decibel Meter Sound Level dB's advantage is iOS requirement (16.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

Decibel Meter Sound Level dB ships an update every 3 months, HeaderCheck every 2 days. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Decibel Meter Sound Level dB | HeaderCheck |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [汇杭 钟](https://appshunter.io/developer/1481585840) | [Nicholas McLarty](https://appshunter.io/developer/1572125539) |

## 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 |


### HeaderCheck

[App page](https://appshunter.io/ios/app/headercheck/id6809026356)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeaderCheck Pro | $2.99 | one-time |


## 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 HeaderCheck free?

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

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

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

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

Decibel Meter Sound Level dB ships an update every 3 months, and HeaderCheck every 2 days. Most recently, Decibel Meter Sound Level dB was updated on September 27, 2026 and HeaderCheck on October 3, 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.*