# PLC Simulator, PLC Trainer vs SPX FLOW eXpress

PLC Simulator, PLC Trainer and SPX FLOW eXpress both sit at 3.9 stars, but that hides the real split: 100% of SPX FLOW eXpress's written reviews are positive against 75% of PLC Simulator, PLC Trainer's. PLC Simulator, PLC Trainer's advantage is ratings volume (59 vs 8). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.9 for PLC Simulator, PLC Trainer against 4.0 for SPX FLOW eXpress. That said, the two scores are not equally well evidenced: PLC Simulator, PLC Trainer has 59 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 75% of PLC Simulator, PLC Trainer's written reviews are positive against 100% of SPX FLOW eXpress's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PLC Simulator, PLC Trainer | SPX FLOW eXpress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews) | **[4.0 (8 ratings)](https://appshunter.io/ios/app/spx-flow-express/id1591451668/reviews)** |
| Number of ratings | **59** | 8 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 15 MB | 69 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [SPX Flow, Inc.](https://appshunter.io/developer/1166665729) |

## 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


### SPX FLOW eXpress

[App page](https://appshunter.io/ios/app/spx-flow-express/id1591451668)

Access essential product, service, and support information for leading brands. Scan serial numbers or QR codes to find specifications and parts, document site evaluations, and connect with experts for technical assistance. Available across multiple platforms.

**Highlights:** Scan & Search product specs and parts, Document site evaluations and field service, Submit inquiries for technical support, Access information for multiple SPX FLOW brands, Cross-platform support (iOS, Android, Windows)

**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 SPX FLOW eXpress free?

SPX FLOW eXpress is free to download, with no in-app purchases.

### Which has better reviews, PLC Simulator, PLC Trainer or SPX FLOW eXpress?

SPX FLOW eXpress is rated higher. PLC Simulator, PLC Trainer averages 3.9 out of 5 from 59 ratings, while SPX FLOW eXpress averages 4.0 from 8 ratings.

### Do PLC Simulator, PLC Trainer or SPX FLOW eXpress have ads?

Neither PLC Simulator, PLC Trainer nor SPX FLOW eXpress shows ads.

### Which is updated more often, PLC Simulator, PLC Trainer or SPX FLOW eXpress?

PLC Simulator, PLC Trainer ships an update every 2 months, and SPX FLOW eXpress every 2 months. Most recently, PLC Simulator, PLC Trainer was updated on October 16, 2026 and SPX FLOW eXpress on October 1, 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.*