# 凡亿教育 vs Electro Sim

The clearest difference is in-app purchases: 凡亿教育 at none against Electro Sim's 2. 凡亿教育 also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Electro Sim sells 2 one-off in-app purchases. 凡亿教育 asks for nothing beyond the download.

凡亿教育 ships an update every 6 months, Electro Sim every 4 months. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 凡亿教育 | Electro Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/electro-sim/id6758049588/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 19 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ningbo Yoer Network Service Co., Ltd.](https://appshunter.io/developer/1143372237) | [剑龙 刘](https://appshunter.io/developer/562718731) |

## What reviewers say

### 凡亿教育

[App page](https://appshunter.io/ios/app/id1458598088)

**Features:** macOS Compatibility

**In-app purchases:** none


### Electro Sim

[App page](https://appshunter.io/ios/app/electro-sim/id6758049588)

Learn and teach basic electronics with an intuitive circuit simulator. Drag, wire, and combine components on a real-time canvas to visualize current flow and understand DC circuit concepts.

**Highlights:** Intuitive drag-and-drop canvas, Real-time DC simulation with current visualization, Extensive component library with search, Build and reuse custom components, Save, load, and export circuits, Undo/redo functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | one-time |
| Yearly | $3.99 | one-time |


## Frequently asked questions

### Is 凡亿教育 free?

凡亿教育 is free to download, with no in-app purchases.

### Is Electro Sim free?

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

### Do 凡亿教育 or Electro Sim have ads?

Neither 凡亿教育 nor Electro Sim shows ads.

### Which is updated more often, 凡亿教育 or Electro Sim?

凡亿教育 ships an update every 6 months, and Electro Sim every 4 months. Most recently, 凡亿教育 was updated on October 7, 2026 and Electro Sim on October 22, 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.*