# Simubus vs PLC IO Checkout

The clearest difference is iOS requirement: Simubus at 15.0 against PLC IO Checkout's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simubus sells 3 in-app purchases, starting at $12.90 per month and PLC IO Checkout sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Simubus | PLC IO Checkout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/simubus/id6757686667/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Freemium | — |
| Size | 60 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Chongqing Shengniu Technology Co., Ltd](https://appshunter.io/developer/1868286779) | [BCDPRODUCTION LLC](https://appshunter.io/developer/1867250803) |

## What reviewers say

### Simubus

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

This app provides a safe and practical virtual environment for learning and practicing electrical wiring and circuit design. It offers realistic simulations of industrial and residential circuits, a comprehensive component library, and diagnostic tools to help users master electrical principles and prepare for exams.

**Highlights:** Industrial & Home Circuit Simulation, Safe Low-Voltage Exercises, Step-by-Step Wiring Guidance, Comprehensive Component Library, Electrical Encyclopedia & Symbol Reference, Circuit Analysis & Diagnostics

**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 |


### PLC IO Checkout

[App page](https://appshunter.io/ios/app/plc-io-checkout/id6810327015)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $29.99 | one-time |


## Frequently asked questions

### Is Simubus free?

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

### Is PLC IO Checkout free?

PLC IO Checkout is free to download, with in-app purchases available.

### Do Simubus or PLC IO Checkout have ads?

Neither Simubus nor PLC IO Checkout shows ads.

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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.*