# AMOTION vs ROI计算

The clearest difference is iOS requirement: AMOTION at 7.0 against ROI计算's 13.0. 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 | AMOTION | ROI计算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 30 MB | 70 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lebi Computer Technology Co. Ltd.](https://appshunter.io/developer/1004823999) | [天门市万纺信息技术有限公司](https://appshunter.io/developer/1772867820) |

## What reviewers say

### AMOTION

[App page](https://appshunter.io/ios/app/amotion/id1444572820)

**Features:** macOS Compatibility

**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 AMOTION free?

AMOTION 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.

### Do AMOTION or ROI计算 have ads?

Neither AMOTION nor ROI计算 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.*