# ROI计算 vs Box Protector

The clearest difference is iOS requirement: ROI计算 at 13.0 against Box Protector's 15.0. 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.

## The numbers

| Metric | ROI计算 | Box Protector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 70 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [天门市万纺信息技术有限公司](https://appshunter.io/developer/1772867820) | [海波 胡](https://appshunter.io/developer/6776141528) |

## What reviewers say

### ROI计算

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

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

**In-app purchases:** none


### Box Protector

[App page](https://appshunter.io/ios/app/box-protector/id6776218685)

**In-app purchases:** none


## Frequently asked questions

### Is ROI计算 free?

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

### Is Box Protector free?

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

### Do ROI计算 or Box Protector have ads?

Neither ROI计算 nor Box Protector shows ads.

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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.*