# 电商计算器：投放成本利润 vs ROI计算

The clearest difference is device support: ROI计算 at 2 against 电商计算器：投放成本利润's —. ROI计算 also leads on iOS requirement (13.0 vs 15.6). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 电商计算器：投放成本利润 | ROI计算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 15 MB | 70 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [天门市万纺信息技术有限公司](https://appshunter.io/developer/1772867820) |

## What reviewers say

### 电商计算器：投放成本利润

[App page](https://appshunter.io/ios/app/id6745365371)

**In-app purchases:** none


### ROI计算

[App page](https://appshunter.io/ios/app/roi/id6747033622)

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

**In-app purchases:** none


## Frequently asked questions

### Is 电商计算器：投放成本利润 free?

电商计算器：投放成本利润 is free to download, with no in-app purchases.

### Is ROI计算 free?

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

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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.*