# ROI大师 vs 电商计算器：投放成本利润

The clearest difference is in-app purchases: 电商计算器：投放成本利润 at none against ROI大师's 7. ROI大师's advantage is device support and iOS requirement (13.0 vs 15.6). On price there is nothing between them.

Both are free to download. ROI大师 sells 7 in-app purchases, starting at $0.99 per month. 电商计算器：投放成本利润 asks for nothing beyond the download.

## The numbers

| Metric | ROI大师 | 电商计算器：投放成本利润 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 63 MB | 15 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [丹宁 冯](https://appshunter.io/developer/1452086482) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### ROI大师

[App page](https://appshunter.io/ios/app/roi/id6743304426)

This tool helps e-commerce operators accurately calculate advertising return on investment (ROI) and optimize pricing strategies. It provides detailed data on ad spend, commissions, profit margins, and break-even points to drive data-informed decisions and reduce wasteful spending.

**Highlights:** Calculate advertising ROI, Optimize product pricing, Analyze ad spend and commissions, Estimate break-even ROI, Simulate costs (logistics, fees), Analyze ad monetization LTV

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 电商ROI计算器月度会员 | $0.99 | per month |
| 电商ROI计算器周度会员 | $0.99 | per 7 days |
| 电商ROI计算器年度会员 | $7.99 | per year |
| 电商ROI计算器周卡会员 | $0.99 | one-time |
| 电商ROI计算器月卡会员 | $2.99 | one-time |
| 电商ROI计算器年卡会员 | $12.99 | one-time |
| 电商ROI计算器终身会员 | $14.99 | one-time |


### 电商计算器：投放成本利润

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

**In-app purchases:** none


## Frequently asked questions

### Is ROI大师 free?

ROI大师 is free to download, with in-app purchases available.

### 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.

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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.*