# dB Meter vs SonoMeter

The clearest difference is in-app purchases: dB Meter at none against SonoMeter's 4. dB Meter also leads on update cadence (fortnightly vs every 8 months). SonoMeter's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SonoMeter sells 4 in-app purchases, starting at $1.99 per 7 days. dB Meter asks for nothing beyond the download.

dB Meter ships an update fortnightly, SonoMeter every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | dB Meter | SonoMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/db-meter-real-time-alerts/id6743526896/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Ad-supported | — |
| Size | 17 MB | 35 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Ajadiya](https://appshunter.io/developer/1442111420) | [Raphael Goupille](https://appshunter.io/developer/1650597250) |

## What reviewers say

### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-real-time-alerts/id6743526896)

This audio monitoring tool measures environmental sound levels in real-time. It tracks decibel changes and provides instant alerts when noise exceeds safe limits, with graphical analysis and exportable reports.

**Highlights:** Live sound monitoring, High noise alerts, Peak and average tracking, Graphical noise analysis, Custom sensitivity settings, Export tracking reports

**In-app purchases:** none


### SonoMeter

[App page](https://appshunter.io/ios/app/sonometer-decibel-meter/id6745488403)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly subscription | $5.99 | per month |
| Annual subscription | $24.99 | per year |
| Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is dB Meter free?

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

### Is SonoMeter free?

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

### Do dB Meter or SonoMeter have ads?

dB Meter shows ads; SonoMeter does not.

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

dB Meter ships an update fortnightly, and SonoMeter every 8 months. Most recently, dB Meter was updated on October 24, 2026 and SonoMeter on October 24, 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.*