# PLC Simulator, PLC Trainer vs Drive Diagnostics

The clearest difference is update cadence: PLC Simulator, PLC Trainer at every 2 months against Drive Diagnostics's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

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

PLC Simulator, PLC Trainer ships an update every 2 months, Drive Diagnostics every 6 months. The most recent releases landed on September 5, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | PLC Simulator, PLC Trainer | Drive Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 15 MB | 9 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Bonfiglioli SPA](https://appshunter.io/developer/670210180) |

## 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


### Drive Diagnostics

[App page](https://appshunter.io/ios/app/drive-diagnostics/id1523617166)

**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 Drive Diagnostics free?

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

### Do PLC Simulator, PLC Trainer or Drive Diagnostics have ads?

Neither PLC Simulator, PLC Trainer nor Drive Diagnostics shows ads.

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

PLC Simulator, PLC Trainer ships an update every 2 months, and Drive Diagnostics every 6 months. Most recently, PLC Simulator, PLC Trainer was updated on September 5, 2026 and Drive Diagnostics on September 11, 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.*