# 新中大i6 vs 上建砼安

The clearest difference is update cadence: 新中大i6 at every 4 months against 上建砼安's every 13 months. 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.

新中大i6 ships an update every 4 months, 上建砼安 every 13 months. The most recent releases landed on September 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 新中大i6 | 上建砼安 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Size | 107 MB | 76 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [NEWGRAND SOFTWARE CO.,LTD](https://appshunter.io/developer/681541332) | [上海皓伟安防工程有限公司](https://appshunter.io/developer/1818252803) |

## What reviewers say

### 新中大i6

[App page](https://appshunter.io/ios/app/i6/id1671093009)

**In-app purchases:** none


### 上建砼安

[App page](https://appshunter.io/ios/app/id6746737184)

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

**In-app purchases:** none


## Frequently asked questions

### Is 新中大i6 free?

新中大i6 is free to download, with no in-app purchases.

### Is 上建砼安 free?

上建砼安 is free to download, with no in-app purchases.

### Do 新中大i6 or 上建砼安 have ads?

Neither 新中大i6 nor 上建砼安 shows ads.

### Which is updated more often, 新中大i6 or 上建砼安?

新中大i6 ships an update every 4 months, and 上建砼安 every 13 months. Most recently, 新中大i6 was updated on September 24, 2026 and 上建砼安 on October 12, 2026.

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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.*