# Voltage Drop Calculator. vs PLC Simulator, PLC Trainer

The clearest difference is rating: Voltage Drop Calculator. at 4.6 against PLC Simulator, PLC Trainer's 3.9. Voltage Drop Calculator. also leads on ratings volume (414 vs 59). PLC Simulator, PLC Trainer's advantage is review sentiment (75% vs 33%) and in-app purchases (none vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. Voltage Drop Calculator. sells 1 one-off in-app purchase. PLC Simulator, PLC Trainer asks for nothing beyond the download.

Voltage Drop Calculator. holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Voltage Drop Calculator. has 414 ratings behind it against 59, so its average is the more settled of the two. Written reviews complicate that: 33% of Voltage Drop Calculator.'s written reviews are positive against 75% of PLC Simulator, PLC Trainer's, so the app with the better star average is not the one people write more warmly about.

Voltage Drop Calculator. ships an update every 3 months, PLC Simulator, PLC Trainer every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Voltage Drop Calculator. | PLC Simulator, PLC Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (414 ratings)](https://appshunter.io/ios/app/voltage-drop-calculator/id1203737064/reviews)** | [3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews) |
| Number of ratings | **414** | 59 |
| Positive reviews | 33.3% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 15 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### Voltage Drop Calculator.

[App page](https://appshunter.io/ios/app/voltage-drop-calculator/id1203737064)

Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.

**Highlights:** NEC and IEC dual standards, Voltage drop and wire sizing calculations, Support for continuous load and corrections, Copper or Aluminum conductor options, Single-phase and three-phase systems, Automatic compliance checks, PDF report generation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Pro | $4.99 | one-time |


### 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


## Frequently asked questions

### Is Voltage Drop Calculator. free?

Voltage Drop Calculator. is free to download, with in-app purchases available.

### Is PLC Simulator, PLC Trainer free?

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

### Which has better reviews, Voltage Drop Calculator. or PLC Simulator, PLC Trainer?

Voltage Drop Calculator. is rated higher. Voltage Drop Calculator. averages 4.6 out of 5 from 414 ratings, while PLC Simulator, PLC Trainer averages 3.9 from 59 ratings.

### Do Voltage Drop Calculator. or PLC Simulator, PLC Trainer have ads?

Voltage Drop Calculator. shows ads; PLC Simulator, PLC Trainer does not.

### Which is updated more often, Voltage Drop Calculator. or PLC Simulator, PLC Trainer?

Voltage Drop Calculator. ships an update every 3 months, and PLC Simulator, PLC Trainer every 2 months. Most recently, Voltage Drop Calculator. was updated on October 29, 2026 and PLC Simulator, PLC Trainer on October 24, 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.*