# ISA Events vs PLC Controller & Simulator

The clearest difference is device support: PLC Controller & Simulator at 3 against ISA Events's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ISA Events ships an update every 3 months, PLC Controller & Simulator every 4 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ISA Events | PLC Controller & Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 185 MB | 39 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [vFairs LLC](https://appshunter.io/developer/1349888986) | [Kevin Andoh](https://appshunter.io/developer/6785697530) |

## What reviewers say

### ISA Events

[App page](https://appshunter.io/ios/app/isa-events/id6443960345)

**Features:** Vision Pro support

**In-app purchases:** none


### PLC Controller & Simulator

[App page](https://appshunter.io/ios/app/plc-controller-and-simulator/id6785697528)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISA Events free?

ISA Events is free to download, with no in-app purchases.

### Is PLC Controller & Simulator free?

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

### Do ISA Events or PLC Controller & Simulator have ads?

Neither ISA Events nor PLC Controller & Simulator shows ads.

### Which is updated more often, ISA Events or PLC Controller & Simulator?

ISA Events ships an update every 3 months, and PLC Controller & Simulator every 4 months. Most recently, ISA Events was updated on October 27, 2026 and PLC Controller & Simulator 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.*