# dB Meter vs BarnSchema

The clearest difference is ads: BarnSchema at none against dB Meter's shown. BarnSchema also leads on update cadence (every 5 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

dB Meter ships an update fortnightly, BarnSchema every 5 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | dB Meter | BarnSchema |
| --- | --- | --- |
| 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 | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Ajadiya](https://appshunter.io/developer/1442111420) | [Nithya Sudanthiraveeran](https://appshunter.io/developer/1851311371) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### BarnSchema

[App page](https://appshunter.io/ios/app/barnschema/id6758647743)

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

**In-app purchases:** none


## Frequently asked questions

### Is dB Meter free?

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

### Is BarnSchema free?

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

### Do dB Meter or BarnSchema have ads?

dB Meter shows ads; BarnSchema does not.

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

dB Meter ships an update fortnightly, and BarnSchema every 5 days. Most recently, dB Meter was updated on October 25, 2026 and BarnSchema on October 14, 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.*