# SmarterNoise vs Decibel Meter

SmarterNoise and Decibel Meter both sit at 4.6 stars, but that hides the real split: 75% of SmarterNoise's written reviews are positive against 57% of Decibel Meter's. SmarterNoise also leads on iOS requirement (12.0 vs 16.1). Decibel Meter's advantage is ratings volume (719 vs 117). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. SmarterNoise sells 2 one-off in-app purchases and Decibel Meter sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for SmarterNoise against 4.6 for Decibel Meter. That said, the two scores are not equally well evidenced: Decibel Meter has 719 ratings behind it against 117, so its average is the more settled of the two. Written reviews are what separate them: 75% of SmarterNoise's written reviews are positive against 57% of Decibel Meter's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SmarterNoise | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (117 ratings)](https://appshunter.io/ios/app/smarternoise/id1384299042/reviews)** | [4.6 (719 ratings)](https://appshunter.io/ios/app/decibel-meter-db/id1521325229/reviews) |
| Number of ratings | 117 | **719** |
| Positive reviews | **75.0% of reviews** | 56.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 36 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Devnex](https://appshunter.io/developer/1486636842) |

## What reviewers say

### SmarterNoise

[App page](https://appshunter.io/ios/app/smarternoise/id1384299042)

This app measures sound levels, records audio and video, and provides information on noise exposure risks. It features smart icons to help users understand the impact of noise on health and cognitive performance. Save, share, and archive your recordings with this comprehensive tool.

**Highlights:** Sound level measurement, Video and audio recording, Noise exposure risk information, Smart icons for health impact, Archive and sharing of recordings, Calibration, Location and time display

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Long-term measurement | $1.99 | one-time |
| Remove ads | $2.99 | one-time |


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-db/id1521325229)

Easily measure sound levels with this accurate and intuitive tool. It displays current, maximum, and average decibel values, along with a graphical overview for quick comprehension. This utility is completely free to use.

**Highlights:** Simple and easy to use, Quick and accurate dB measuring, All-in-one meter, Maximum, current, and average values, Gauge meter display, Values displayed in graph

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Weekly Subscription | $3.99 | per 7 days |
| Half-Yearly Subscription | $9.49 | per 6 months |

**What reviewers like**

- 🚀 Fast and reliable
- 👍 Easy to use
- 🔍 Accurate readings
- 📏 Good for monitoring sound levels
- 🔊 Useful for music/audio enthusiasts

**What reviewers complain about**

- 🐛 Crashes/freezes on some devices
- 💰 Misleading about free features
- 📢 Excessive ads/prompts to buy premium
- 🤔 Inconsistent readings compared to other apps

**Reported bugs**

- Unable to close the app or cancel Google requests
- Recordings not saving despite claims of free saving

**Requested features**

- Add ability to save/export recordings
- Provide more customization options (weighting, etc.)
- Improve stability and reduce crashes


## Frequently asked questions

### Is SmarterNoise free?

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

### Is Decibel Meter free?

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

### Which has better reviews, SmarterNoise or Decibel Meter?

SmarterNoise is rated higher. SmarterNoise averages 4.6 out of 5 from 117 ratings, while Decibel Meter averages 4.6 from 719 ratings.

### Do SmarterNoise or Decibel Meter have ads?

Both SmarterNoise and Decibel Meter show ads.

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

SmarterNoise ships an update every 6 weeks, and Decibel Meter every 6 weeks. Most recently, SmarterNoise was updated on October 24, 2026 and Decibel Meter on October 29, 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.*