# PLC Simulator, PLC Trainer vs AI Resistor Color Code Scanner

The clearest difference is rating: PLC Simulator, PLC Trainer at 3.9 against AI Resistor Color Code Scanner's 3.0. PLC Simulator, PLC Trainer also leads on in-app purchases (none vs 1) and ratings volume (59 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. AI Resistor Color Code Scanner sells 1 one-off in-app purchase. PLC Simulator, PLC Trainer asks for nothing beyond the download.

PLC Simulator, PLC Trainer holds the better App Store score, 3.9 against 3.0. That said, the two scores are not equally well evidenced: PLC Simulator, PLC Trainer has 59 ratings behind it against 1, so its average is the more settled of the two.

PLC Simulator, PLC Trainer ships an update every 2 months, AI Resistor Color Code Scanner every 5 weeks. The most recent releases landed on September 5, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | PLC Simulator, PLC Trainer | AI Resistor Color Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/ai-resistor-color-code-scanner/id6748325846/reviews) |
| Number of ratings | **59** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 163 MB |
| Requires iOS | **14.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Andrew Ausonio](https://appshunter.io/developer/1697652973) |

## 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


### AI Resistor Color Code Scanner

[App page](https://appshunter.io/ios/app/ai-resistor-color-code-scanner/id6748325846)

Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.

**Highlights:** Instant camera scanning, Save and organize scans, Interactive color band editing, Supports 3-6 band resistors, Offline functionality, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | one-time |


## Frequently asked questions

### Is PLC Simulator, PLC Trainer free?

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

### Is AI Resistor Color Code Scanner free?

AI Resistor Color Code Scanner is free to download, with in-app purchases available.

### Which has better reviews, PLC Simulator, PLC Trainer or AI Resistor Color Code Scanner?

PLC Simulator, PLC Trainer is rated higher. PLC Simulator, PLC Trainer averages 3.9 out of 5 from 59 ratings, while AI Resistor Color Code Scanner averages 3.0 from 1 ratings.

### Do PLC Simulator, PLC Trainer or AI Resistor Color Code Scanner have ads?

Neither PLC Simulator, PLC Trainer nor AI Resistor Color Code Scanner shows ads.

### Which is updated more often, PLC Simulator, PLC Trainer or AI Resistor Color Code Scanner?

PLC Simulator, PLC Trainer ships an update every 2 months, and AI Resistor Color Code Scanner every 5 weeks. Most recently, PLC Simulator, PLC Trainer was updated on September 5, 2026 and AI Resistor Color Code Scanner on September 3, 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.*