# Decibel Meter dB vs EmergenSync

The clearest difference is price: EmergenSync at Free against Decibel Meter dB's $3.99. On rating, ratings volume, update cadence and ads there is nothing between them.

EmergenSync is free to download; Decibel Meter dB costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Decibel Meter dB against 5.0 for EmergenSync. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Decibel Meter dB ships an update every 4 months, EmergenSync every 6 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Decibel Meter dB | EmergenSync |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-meter-db/id6740335067/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/emergensync-supplies-manager/id6745791362/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Paid | **Free** |
| Size | 1 MB | 62 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Morten Punnerud](https://appshunter.io/developer/969844397) | [Blueinstinct App Solutions](https://appshunter.io/developer/304880823) |

## What reviewers say

### Decibel Meter dB

[App page](https://appshunter.io/ios/app/decibel-meter-db/id6740335067)

This app provides real-time decibel monitoring with a dynamic visual display and color-coded alerts for different noise thresholds. It helps users track sound levels, understand potential risks, and maintain healthier audio environments. Ideal for various settings, it offers a simple and effective way to stay aware of ambient noise.

**Highlights:** Real-time decibel monitoring, Animated visual ear display, Color-coded noise alerts, 1-minute average tracking, Spectrogram view, Optimized for iPhone and iPad

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

**In-app purchases:** none


### EmergenSync

[App page](https://appshunter.io/ios/app/emergensync-supplies-manager/id6745791362)

Organize emergency supplies, track expiration dates, and manage inventory for power outages, natural disasters, and evacuations. Includes pre-configured checklists, offline reference guides, and integrated shopping lists.

**Highlights:** Smart checklist management with pre-configured templates, Expiration date tracking and alerts, Inventory management with quantity and location tracking, Integrated shopping list functionality, Offline emergency reference guides, PDF and JSON export/backup options

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter dB free?

Decibel Meter dB costs $3.99, with no in-app purchases.

### Is EmergenSync free?

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

### Which has better reviews, Decibel Meter dB or EmergenSync?

Decibel Meter dB and EmergenSync are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Decibel Meter dB or EmergenSync have ads?

Neither Decibel Meter dB nor EmergenSync shows ads.

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

Decibel Meter dB ships an update every 4 months, and EmergenSync every 6 months. Most recently, Decibel Meter dB was updated on November 4, 2026 and EmergenSync on October 30, 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.*