# ElectroSim vs Fire Alarm System Simulator

The clearest difference is price: ElectroSim at Free against Fire Alarm System Simulator's $2.99. ElectroSim also leads on iOS requirement (15.0 vs 17.0). Fire Alarm System Simulator's advantage is in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

ElectroSim is free to download; Fire Alarm System Simulator costs $2.99 up front. ElectroSim sells 3 in-app purchases, starting at $9.99 per month. Fire Alarm System Simulator asks for nothing beyond the download.

ElectroSim ships an update every 2 weeks, Fire Alarm System Simulator fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ElectroSim | Fire Alarm System Simulator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (86 ratings)](https://appshunter.io/ios/app/electrosim-electrical-wiring/id6752586509/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Freemium | — |
| Size | 148 MB | 155 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Louie Juera](https://appshunter.io/developer/1638500957) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### ElectroSim

[App page](https://appshunter.io/ios/app/electrosim-electrical-wiring/id6752586509)

Design, build, and test realistic electrical circuits on your mobile device. This app offers real-time simulations, guided tutorials, and a library of expert-created circuits for hands-on learning. Practice wiring safely and effectively for vocational training or self-study.

**Highlights:** Design and build electrical circuits, Real-time circuit simulation, Guided wiring tutorials, Library of expert circuits, Offline access, Drag-and-drop components

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ElectroSim Pro Monthly | $9.99 | per month |
| ElectroSim Pro Yearly | $34.99 | per year |
| Pro Access | $99.99 | one-time |


### Fire Alarm System Simulator

[App page](https://appshunter.io/ios/app/fire-alarm-system-simulator/id6766403913)

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

**In-app purchases:** none


## Frequently asked questions

### Is ElectroSim free?

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

### Is Fire Alarm System Simulator free?

Fire Alarm System Simulator costs $2.99, with no in-app purchases.

### Do ElectroSim or Fire Alarm System Simulator have ads?

Neither ElectroSim nor Fire Alarm System Simulator shows ads.

### Which is updated more often, ElectroSim or Fire Alarm System Simulator?

ElectroSim ships an update every 2 weeks, and Fire Alarm System Simulator fortnightly. Most recently, ElectroSim was updated on October 30, 2026 and Fire Alarm System Simulator on October 28, 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.*