# PLA CONTROL vs Decibel Meter ; Sound Level

The clearest difference is in-app purchases: PLA CONTROL at none against Decibel Meter ; Sound Level's 2. PLA CONTROL also leads on iOS requirement (13.0 vs 15.6). Decibel Meter ; Sound Level's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

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

PLA CONTROL ships an update every 3 months, Decibel Meter ; Sound Level every 5 weeks. The most recent releases landed on November 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PLA CONTROL | Decibel Meter ; Sound Level |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 18 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PETROLAIN-A, OOO](https://appshunter.io/developer/1520223387) | [Evrim AYAZ](https://appshunter.io/developer/1780294826) |

## What reviewers say

### PLA CONTROL

[App page](https://appshunter.io/ios/app/pla-control/id1520223385)

This application allows users to monitor the status and readings of DEL-140, DEL-150, and their modifications. It provides essential control and oversight for these complexes.

**Highlights:** Monitor complex states, View complex readings, Support for DEL-140, Support for DEL-150, Support for modifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Meter ; Sound Level

[App page](https://appshunter.io/ios/app/decibel-meter-sound-level/id6742335438)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trial Weekly VIP | $5.99 | per 7 days |
| Trial VIP | $29.99 | per year |


## Frequently asked questions

### Is PLA CONTROL free?

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

### Is Decibel Meter ; Sound Level free?

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

### Do PLA CONTROL or Decibel Meter ; Sound Level have ads?

Neither PLA CONTROL nor Decibel Meter ; Sound Level shows ads.

### Which is updated more often, PLA CONTROL or Decibel Meter ; Sound Level?

PLA CONTROL ships an update every 3 months, and Decibel Meter ; Sound Level every 5 weeks. Most recently, PLA CONTROL was updated on November 3, 2026 and Decibel Meter ; Sound Level on October 13, 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.*