# Decibel Meter vs AC Control

The clearest difference is price: Decibel Meter at $0.99 against AC Control's $4.99. Decibel Meter also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On update cadence, ads and in-app purchases there is nothing between them.

Decibel Meter costs $0.99 and AC Control $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Decibel Meter ships an update every 3 months, AC Control every 2 months. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Decibel Meter | AC Control |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-test/id6764498347/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 41 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [恒盛 程](https://appshunter.io/developer/1533201832) | [Christian Irack Flores Maldonado](https://appshunter.io/developer/639666145) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-test/id6764498347)

Measure ambient sound levels in real-time using your device's microphone. Understand your environment's noise status, save measurement sessions, and generate PDF reports with data and scene photos. Useful for everyday reference and record-keeping.

**Highlights:** Real-time decibel readings, Spectrum analysis, Environment status labels, Session statistics, Measurement history, Audio playback, Scene photo records, PDF reports

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

**In-app purchases:** none


### AC Control

[App page](https://appshunter.io/ios/app/ac-control/id6766367447)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter free?

Decibel Meter costs $0.99, with no in-app purchases.

### Is AC Control free?

AC Control costs $4.99, with no in-app purchases.

### Do Decibel Meter or AC Control have ads?

Neither Decibel Meter nor AC Control shows ads.

### Which is updated more often, Decibel Meter or AC Control?

Decibel Meter ships an update every 3 months, and AC Control every 2 months. Most recently, Decibel Meter was updated on October 23, 2026 and AC Control on October 12, 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.*