# PLC Simulator 2, Ladder Logic vs Simubus

The clearest difference is in-app purchases: PLC Simulator 2, Ladder Logic at none against Simubus's 3. PLC Simulator 2, Ladder Logic also leads on update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simubus sells 3 in-app purchases, starting at $12.90 per month. PLC Simulator 2, Ladder Logic asks for nothing beyond the download.

PLC Simulator 2, Ladder Logic ships an update every 4 days, Simubus fortnightly. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PLC Simulator 2, Ladder Logic | Simubus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (113 ratings)](https://appshunter.io/ios/app/plc-simulator-2-ladder-logic/id1672572436/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free | — |
| Size | 29 MB | 49 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [David White](https://appshunter.io/developer/911163945) | [Chongqing Shengniu Technology Co., Ltd](https://appshunter.io/developer/1868286779) |

## What reviewers say

### 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


### Simubus

[App page](https://appshunter.io/ios/app/simubus/id6757686667)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $12.90 | per month |
| Yearly Pro Subscription | $69.99 | per year |
| Lifetime | $79.99 | one-time |


## Frequently asked questions

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

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

### Is Simubus free?

Simubus is free to download, with in-app purchases available.

### Do PLC Simulator 2, Ladder Logic or Simubus have ads?

Neither PLC Simulator 2, Ladder Logic nor Simubus shows ads.

### Which is updated more often, PLC Simulator 2, Ladder Logic or Simubus?

PLC Simulator 2, Ladder Logic ships an update every 4 days, and Simubus fortnightly. Most recently, PLC Simulator 2, Ladder Logic was updated on September 19, 2026 and Simubus on September 17, 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.*