# A Complex Calc vs PLC Simulator 2, Ladder Logic

The clearest difference is update cadence: PLC Simulator 2, Ladder Logic at every 6 days against A Complex Calc's every 3 weeks. PLC Simulator 2, Ladder Logic also leads on ratings volume (121 vs 23). A Complex Calc's advantage is iOS requirement (10.0 vs 15.0). On price, rating, review sentiment 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.

PLC Simulator 2, Ladder Logic holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: PLC Simulator 2, Ladder Logic has 121 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 80% of A Complex Calc's written reviews are positive against 84% of PLC Simulator 2, Ladder Logic's.

A Complex Calc ships an update every 3 weeks, PLC Simulator 2, Ladder Logic every 6 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | A Complex Calc | PLC Simulator 2, Ladder Logic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/a-complex-calc/id1372571548/reviews) | **[4.9 (121 ratings)](https://appshunter.io/ios/app/plc-simulator-2-ladder-logic/id1672572436/reviews)** |
| Number of ratings | 23 | **121** |
| Positive reviews | 80.0% of reviews | **84.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 28 MB | 29 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Ruffolo](https://appshunter.io/developer/1372571547) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### A Complex Calc

[App page](https://appshunter.io/ios/app/a-complex-calc/id1372571548)

Perform complex calculations with a modern, user-friendly interface. Offers both basic and scientific modes, including support for complex numbers and advanced functions. This lightweight application provides a history of computations and is completely free with no advertisements.

**Highlights:** Complex number support, Basic and Scientific modes, History of operations, Trigonometric and hyperbolic functions, Random number generation, Lightweight app size

**Features:** macOS Compatibility, Vision Pro 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 A Complex Calc free?

A Complex 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, A Complex Calc or PLC Simulator 2, Ladder Logic?

PLC Simulator 2, Ladder Logic is rated higher. A Complex Calc averages 4.7 out of 5 from 23 ratings, while PLC Simulator 2, Ladder Logic averages 4.9 from 121 ratings.

### Do A Complex Calc or PLC Simulator 2, Ladder Logic have ads?

Neither A Complex Calc nor PLC Simulator 2, Ladder Logic shows ads.

### Which is updated more often, A Complex Calc or PLC Simulator 2, Ladder Logic?

A Complex Calc ships an update every 3 weeks, and PLC Simulator 2, Ladder Logic every 6 days. Most recently, A Complex Calc was updated on October 14, 2026 and PLC Simulator 2, Ladder Logic on October 20, 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.*