# dB vs dB Decibel

The clearest difference is review sentiment: dB Decibel at 100% against dB's 40%. dB Decibel also leads on update cadence (every 3 weeks vs every 5 months). dB's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. dB Decibel sells 1 one-off in-app purchase. dB asks for nothing beyond the download.

dB ships an update every 5 months, dB Decibel every 3 weeks. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | dB | dB Decibel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/db-decibel-sound-level-meter/id6777625723/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kurenz Music GbR](https://appshunter.io/developer/544695186) | [Levin David Schwab](https://appshunter.io/developer/1896432297) |

## What reviewers say

### dB

[App page](https://appshunter.io/ios/app/db-meter/id635309215)

This application measures sound pressure levels in decibels using a retro-style design. It displays both average and peak levels in real-time, with digital readouts alongside analog meters.

**Highlights:** Measures sound pressure in decibels (dB), Retro-style analog display, Real-time average and peak level readings, Digital value readout, High-frequency sampling (44.1 kHz)

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

**In-app purchases:** none


### dB Decibel

[App page](https://appshunter.io/ios/app/db-decibel-sound-level-meter/id6777625723)

This application measures ambient noise levels in decibels in real-time, providing honest readings by indicating when sounds are too low or too loud for the microphone. It offers various professional metrics and features for detailed sound analysis, with an option for advanced tools via a one-time purchase.

**Highlights:** Real-time dB(A) sound level measurement, Peak hold and honest readings (clipping/near-silence detection), Professional metrics (Leq, L10, L90), Safe-listening time estimate, Dominant frequency and live graph, Evidence Mode for noise-event logging, Live Sound ID for noise identification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Pro | $4.99 | one-time |


## Frequently asked questions

### Is dB free?

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

### Is dB Decibel free?

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

### Do dB or dB Decibel have ads?

dB Decibel shows ads; dB does not.

### Which is updated more often, dB or dB Decibel?

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