# Simubus vs Electrical Diagram Maker

The clearest difference is update cadence: Electrical Diagram Maker at weekly against Simubus's fortnightly. Simubus's advantage is iOS requirement (15.0 vs 17.6). 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 Electrical Diagram Maker sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Simubus ships an update fortnightly, Electrical Diagram Maker weekly. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Simubus | Electrical Diagram Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 49 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Chongqing Shengniu Technology Co., Ltd](https://appshunter.io/developer/1868286779) | [Mirza Pasic](https://appshunter.io/developer/1863048976) |

## What reviewers say

### 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 |


### Electrical Diagram Maker

[App page](https://appshunter.io/ios/app/electrical-diagram-maker/id6784986038)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electrical Diagram Maker Pro | $4.99 | per month |


## Frequently asked questions

### Is Simubus free?

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

### Is Electrical Diagram Maker free?

Electrical Diagram Maker is free to download, with in-app purchases available.

### Do Simubus or Electrical Diagram Maker have ads?

Neither Simubus nor Electrical Diagram Maker shows ads.

### Which is updated more often, Simubus or Electrical Diagram Maker?

Simubus ships an update fortnightly, and Electrical Diagram Maker weekly. Most recently, Simubus was updated on September 17, 2026 and Electrical Diagram Maker on September 21, 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.*