# Unit Converter Toolbox vs PLA CONTROL

The clearest difference is ads: PLA CONTROL at none against Unit Converter Toolbox's shown. PLA CONTROL also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (13.0 vs 15.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

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

Unit Converter Toolbox ships an update every 7 months, PLA CONTROL every 3 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Unit Converter Toolbox | PLA CONTROL |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.7% of reviews | **18.2% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 24 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrej Podlubnyj](https://appshunter.io/developer/583628251) | [PETROLAIN-A, OOO](https://appshunter.io/developer/1520223387) |

## What reviewers say

### Unit Converter Toolbox

[App page](https://appshunter.io/ios/app/unit-converter-toolbox/id583628208)

Easily convert between various units of measurement for mass, temperature, distance, volume, pressure, area, weight, density, and more. This application supports both standard and exotic units, offering a straightforward solution for diverse conversion needs.

**Highlights:** Converts physical quantities, Converts volume units, Converts pressure units, Converts area units, Converts weight units, Converts temperature units, Converts density units, Converts length units

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Unit Converter Toolbox free?

Unit Converter Toolbox is free to download, with no in-app purchases.

### Is PLA CONTROL free?

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

### Do Unit Converter Toolbox or PLA CONTROL have ads?

Unit Converter Toolbox shows ads; PLA CONTROL does not.

### Which is updated more often, Unit Converter Toolbox or PLA CONTROL?

Unit Converter Toolbox ships an update every 7 months, and PLA CONTROL every 3 months. Most recently, Unit Converter Toolbox was updated on October 4, 2026 and PLA CONTROL on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*