# Decibels Meter vs Cers IoT

The clearest difference is update cadence: Decibels Meter at every 9 days against Cers IoT's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Decibels Meter ships an update every 9 days, Cers IoT every 2 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Decibels Meter | Cers IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibels-meter/id6755508693/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 27 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [剑 罗](https://appshunter.io/developer/1854272181) | [(주)온전히](https://appshunter.io/developer/1591164615) |

## What reviewers say

### Decibels Meter

[App page](https://appshunter.io/ios/app/decibels-meter/id6755508693)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cers IoT

[App page](https://appshunter.io/ios/app/cers-iot/id6761812425)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibels Meter free?

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

### Is Cers IoT free?

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

### Do Decibels Meter or Cers IoT have ads?

Neither Decibels Meter nor Cers IoT shows ads.

### Which is updated more often, Decibels Meter or Cers IoT?

Decibels Meter ships an update every 9 days, and Cers IoT every 2 months. Most recently, Decibels Meter was updated on October 24, 2026 and Cers IoT on October 6, 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.*