# 有电 vs ResiCalc

The clearest difference is update cadence: 有电 at weekly against ResiCalc's every 9 months. 有电 also leads on iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

有电 ships an update weekly, ResiCalc every 9 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 有电 | ResiCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 months |
| Size | 18 MB | 4 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Wuxi Jialichuang Technology Co.,Ltd.](https://appshunter.io/developer/1561722514) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### 有电

[App page](https://appshunter.io/ios/app/app/id1561722512)

**Features:** macOS Compatibility

**In-app purchases:** none


### ResiCalc

[App page](https://appshunter.io/ios/app/resicalc-resistor-networks/id6757947341)

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

**In-app purchases:** none


## Frequently asked questions

### Is 有电 free?

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

### Is ResiCalc free?

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

### Do 有电 or ResiCalc have ads?

Neither 有电 nor ResiCalc shows ads.

### Which is updated more often, 有电 or ResiCalc?

有电 ships an update weekly, and ResiCalc every 9 months. Most recently, 有电 was updated on October 27, 2026 and ResiCalc on October 25, 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.*