# 单位转换器 vs elec tools

The clearest difference is ads: elec tools at none against 单位转换器's shown. elec tools also leads on iOS requirement (13.0 vs 16). 单位转换器's advantage is update cadence (every 2 days vs every 6 days). On price, 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.

单位转换器 ships an update every 2 days, elec tools every 6 days. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 单位转换器 | elec tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 15 MB | 21 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [志雄 黄](https://appshunter.io/developer/1877111087) | [德绪 郑](https://appshunter.io/developer/1886307616) |

## What reviewers say

### 单位转换器

[App page](https://appshunter.io/ios/app/id6759898332)

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

**In-app purchases:** none


### elec tools

[App page](https://appshunter.io/ios/app/elec-tools/id6760829645)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 单位转换器 free?

单位转换器 is free to download, with no in-app purchases.

### Is elec tools free?

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

### Do 单位转换器 or elec tools have ads?

单位转换器 shows ads; elec tools does not.

### Which is updated more often, 单位转换器 or elec tools?

单位转换器 ships an update every 2 days, and elec tools every 6 days. Most recently, 单位转换器 was updated on October 19, 2026 and elec tools on October 17, 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.*