# Resistor Calc+ vs PLC Simulator 2, Ladder Logic

The clearest difference is ads: PLC Simulator 2, Ladder Logic at none against Resistor Calc+'s shown. PLC Simulator 2, Ladder Logic also leads on update cadence (every 6 days vs every 2 months) and review sentiment (84% vs 67%). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Resistor Calc+ against 4.9 for PLC Simulator 2, Ladder Logic. That said, the two scores are not equally well evidenced: PLC Simulator 2, Ladder Logic has 121 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 67% of Resistor Calc+'s written reviews are positive against 84% of PLC Simulator 2, Ladder Logic's.

Resistor Calc+ ships an update every 2 months, PLC Simulator 2, Ladder Logic every 6 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Resistor Calc+ | PLC Simulator 2, Ladder Logic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200/reviews)** | [4.9 (121 ratings)](https://appshunter.io/ios/app/plc-simulator-2-ladder-logic/id1672572436/reviews) |
| Number of ratings | 5 | **121** |
| Positive reviews | 66.7% of reviews | **84.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### Resistor Calc+

[App page](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200)

Easily determine resistance values from colored bands on resistors. Supports 3 to 6 band configurations with a visual representation of your selections. Ideal for electronics enthusiasts and hobbyists.

**Highlights:** 3, 4, 5, and 6 band resistor support, Visual band color selection, Displays resistance value and tolerance, Aids in electronics configuration

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### PLC Simulator 2, Ladder Logic

[App page](https://appshunter.io/ios/app/plc-simulator-2-ladder-logic/id1672572436)

This application enables students and professionals to test and explore basic PLC programming using ladder logic on their mobile devices. It supports various instructions, configurable rungs, and includes interactive animations for a hands-on learning experience. Save and modify up to 20 programs, with preloaded examples to aid understanding.

**Highlights:** Configurable rungs, Input/Output descriptions, Ladder logic simulation, Save up to 20 programs, Interactive animations, Preloaded example programs

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

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Calc+ free?

Resistor Calc+ is free to download, with no in-app purchases.

### Is PLC Simulator 2, Ladder Logic free?

PLC Simulator 2, Ladder Logic is free to download, with no in-app purchases.

### Which has better reviews, Resistor Calc+ or PLC Simulator 2, Ladder Logic?

Resistor Calc+ is rated higher. Resistor Calc+ averages 5.0 out of 5 from 5 ratings, while PLC Simulator 2, Ladder Logic averages 4.9 from 121 ratings.

### Do Resistor Calc+ or PLC Simulator 2, Ladder Logic have ads?

Resistor Calc+ shows ads; PLC Simulator 2, Ladder Logic does not.

### Which is updated more often, Resistor Calc+ or PLC Simulator 2, Ladder Logic?

Resistor Calc+ ships an update every 2 months, and PLC Simulator 2, Ladder Logic every 6 days. Most recently, Resistor Calc+ was updated on November 3, 2026 and PLC Simulator 2, Ladder Logic on November 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.*