# 方圆智危 vs 国标通

The clearest difference is device support: 国标通 at 3 against 方圆智危's —. 方圆智危's advantage is iOS requirement (11.0 vs 13.0). 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 | 方圆智危 | 国标通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 months |
| Size | 79 MB | 38 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [释普科技(上海)有限公司](https://appshunter.io/developer/1406216198) | [National Center of Standards Evaluation, SAMR](https://appshunter.io/developer/1688507912) |

## What reviewers say

### 方圆智危

[App page](https://appshunter.io/ios/app/id1673286009)

**In-app purchases:** none


### 国标通

[App page](https://appshunter.io/ios/app/id6449272441)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 方圆智危 free?

方圆智危 is free to download, with no in-app purchases.

### Is 国标通 free?

国标通 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.*