# 电力换算 vs Live Spectrum Analyzer

The clearest difference is in-app purchases: 电力换算 at none against Live Spectrum Analyzer's 3. Live Spectrum Analyzer's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Live Spectrum Analyzer sells 3 in-app purchases, starting at $1.99 per month. 电力换算 asks for nothing beyond the download.

## The numbers

| Metric | 电力换算 | Live Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Monthly |
| Size | 15 MB | 8 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [成勇 龚](https://appshunter.io/developer/1896721279) |

## What reviewers say

### 电力换算

[App page](https://appshunter.io/ios/app/id6745462224)

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

**In-app purchases:** none


### Live Spectrum Analyzer

[App page](https://appshunter.io/ios/app/live-spectrum-analyzer/id6804594590)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live Spectrum Analyzer Monthly PRO | $1.99 | per month |
| Live Spectrum Analyzer Yearly PRO | $9.99 | per year |
| Live Spectrum Analyzer Life PRO | $19.99 | one-time |


## Frequently asked questions

### Is 电力换算 free?

电力换算 is free to download, with no in-app purchases.

### Is Live Spectrum Analyzer free?

Live Spectrum Analyzer is free to download, with in-app purchases available.

### Do 电力换算 or Live Spectrum Analyzer have ads?

电力换算 shows ads; Live Spectrum Analyzer does not.

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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.*