# IQControl vs Decibel Meter & Sound Level dB

The clearest difference is in-app purchases: IQControl at none against Decibel Meter & Sound Level dB's 2. IQControl also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Decibel Meter & Sound Level dB sells 2 in-app purchases, starting at $5.99 per 7 days. IQControl asks for nothing beyond the download.

IQControl ships an update every 5 weeks, Decibel Meter & Sound Level dB every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IQControl | Decibel Meter & Sound Level dB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 35 MB | 98 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marko Holp](https://appshunter.io/developer/1709398725) | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) |

## What reviewers say

### IQControl

[App page](https://appshunter.io/ios/app/iqcontrol/id6476329863)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Meter & Sound Level dB

[App page](https://appshunter.io/ios/app/decibel-meter-and-sound-level-db/id6760932207)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Monthly | $14.99 | per month |


## Frequently asked questions

### Is IQControl free?

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

### Is Decibel Meter & Sound Level dB free?

Decibel Meter & Sound Level dB is free to download, with in-app purchases available.

### Do IQControl or Decibel Meter & Sound Level dB have ads?

Decibel Meter & Sound Level dB shows ads; IQControl does not.

### Which is updated more often, IQControl or Decibel Meter & Sound Level dB?

IQControl ships an update every 5 weeks, and Decibel Meter & Sound Level dB every 2 months. Most recently, IQControl was updated on November 4, 2026 and Decibel Meter & Sound Level dB on November 5, 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.*