# Decibel Metre (Sound Meter) vs Nodea

The clearest difference is ads: Nodea at none against Decibel Metre (Sound Meter)'s shown. Decibel Metre (Sound Meter)'s advantage is device support (4 vs 2) and iOS requirement (13.0 vs 15.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Decibel Metre (Sound Meter) ships an update every 3 months, Nodea every 2 months. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Decibel Metre (Sound Meter) | Nodea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (577 ratings)](https://appshunter.io/ios/app/decibel-metre-sound-meter/id1590659820/reviews)** | — |
| Number of ratings | **577** | — |
| Positive reviews | 68.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 221 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UniCom Technology](https://appshunter.io/developer/1270764210) | [Wise Building](https://appshunter.io/developer/1530952051) |

## What reviewers say

### Decibel Metre (Sound Meter)

[App page](https://appshunter.io/ios/app/decibel-metre-sound-meter/id1590659820)

This application functions as a smart sound level meter, utilizing your device's microphone to measure ambient noise in decibels (dBA). It provides real-time readings on a digital screen and displays historical data through a graph. The app also shows reference noise levels and tracks minimum, average, and maximum decibel values.

**Highlights:** Measures sound level in decibels (dBA), Uses built-in microphone, Displays readings on digital screen, Shows current noise reference, Tracks min/avg/max decibel values, Visualizes decibel data on a graph

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Helpful tool for measuring sound levels
- 👍 Straightforward and effective
- 👍 Genuinely free and useful

**What reviewers complain about**

- 🐛 Inaccurate readings
- 🐛 Inconsistent measurements
- 🐛 Reset button doesn't reset average value
- 🐛 No calibration feature

**Reported bugs**

- Microphone not registering any noise
- Completely unresponsive app

**Requested features**

- Quiet room label correction
- Add fast and slow response time settings
- Ability to export/save measurement logs and graphs


### Nodea

[App page](https://appshunter.io/ios/app/nodea/id6444253191)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Metre (Sound Meter) free?

Decibel Metre (Sound Meter) is free to download, with no in-app purchases.

### Is Nodea free?

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

### Do Decibel Metre (Sound Meter) or Nodea have ads?

Decibel Metre (Sound Meter) shows ads; Nodea does not.

### Which is updated more often, Decibel Metre (Sound Meter) or Nodea?

Decibel Metre (Sound Meter) ships an update every 3 months, and Nodea every 2 months. Most recently, Decibel Metre (Sound Meter) was updated on October 17, 2026 and Nodea on October 9, 2026.

---

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