# PLC Simulator, PLC Trainer vs Command

The clearest difference is rating: Command at 5.0 against PLC Simulator, PLC Trainer's 3.9. Command also leads on update cadence (every 5 days vs every 2 months) and review sentiment (100% vs 75%). PLC Simulator, PLC Trainer's advantage is ratings volume (59 vs 5). On price, ads, 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.

Command holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: PLC Simulator, PLC Trainer has 59 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of PLC Simulator, PLC Trainer's written reviews are positive against 100% of Command's.

PLC Simulator, PLC Trainer ships an update every 2 months, Command every 5 days. The most recent releases landed on September 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PLC Simulator, PLC Trainer | Command |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/command-line-calculator/id1565921216/reviews)** |
| Number of ratings | **59** | 5 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 15 MB | 1 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Ketan Appa](https://appshunter.io/developer/576435759) |

## What reviewers say

### PLC Simulator, PLC Trainer

[App page](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777)

Learn the fundamentals of Programmable Logic Controllers (PLCs) with an interactive simulator. Experiment with basic programming concepts, including timers, counters, and logic instructions. Save your progress and revisit projects anytime.

**Highlights:** Interactive PLC simulator, Learn PLC basics, Experiment with programming, Save and load programs, Understand logic circuits, User-friendly interface

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

**In-app purchases:** none


### Command

[App page](https://appshunter.io/ios/app/command-line-calculator/id1565921216)

This app offers a command-line interface for performing complex calculations, including chained operations, variable assignments, and advanced mathematical functions. It supports various number bases, constants, and provides a built-in help system for ease of use.

**Highlights:** Command-line interface, Chained calculations, Variable assignment, Complex numbers, Multiple number bases, Unit and function definition, Extensive math functions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PLC Simulator, PLC Trainer free?

PLC Simulator, PLC Trainer is free to download, with no in-app purchases.

### Is Command free?

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

### Which has better reviews, PLC Simulator, PLC Trainer or Command?

Command is rated higher. PLC Simulator, PLC Trainer averages 3.9 out of 5 from 59 ratings, while Command averages 5.0 from 5 ratings.

### Do PLC Simulator, PLC Trainer or Command have ads?

Neither PLC Simulator, PLC Trainer nor Command shows ads.

### Which is updated more often, PLC Simulator, PLC Trainer or Command?

PLC Simulator, PLC Trainer ships an update every 2 months, and Command every 5 days. Most recently, PLC Simulator, PLC Trainer was updated on September 5, 2026 and Command on September 9, 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.*