# dB vs Decibel Meter

The clearest difference is in-app purchases: dB at none against Decibel Meter's 2. Decibel Meter's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel Meter sells 2 in-app purchases, starting at $3.99 per 7 days. dB asks for nothing beyond the download.

dB ships an update every 5 months, Decibel Meter monthly. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | dB | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kurenz Music GbR](https://appshunter.io/developer/544695186) | [Brais Castro](https://appshunter.io/developer/1604438132) |

## 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


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-level/id6741395557)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Yearly subscription | $39.99 | per year |


## Frequently asked questions

### Is dB free?

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

### Is Decibel Meter free?

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

### Do dB or Decibel Meter have ads?

Neither dB nor Decibel Meter shows ads.

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

dB ships an update every 5 months, and Decibel Meter monthly. Most recently, dB was updated on November 5, 2026 and Decibel Meter on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*