# 航材经纬 vs 大成上海

The clearest difference is update cadence: 航材经纬 at every 3 weeks against 大成上海's every 5 weeks. 大成上海's advantage is iOS requirement (12.0 vs 14.0). 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.

航材经纬 ships an update every 3 weeks, 大成上海 every 5 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 航材经纬 | 大成上海 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1374176309/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 28 MB | 42 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [中国航空器材有限责任公司](https://appshunter.io/developer/1374176308) | [Shanghai Mailuo Information Technology Co.,Ltd](https://appshunter.io/developer/1645830271) |

## What reviewers say

### 航材经纬

[App page](https://appshunter.io/ios/app/id1374176309)

**Features:** Vision Pro support

**In-app purchases:** none


### 大成上海

[App page](https://appshunter.io/ios/app/id6444146331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 航材经纬 free?

航材经纬 is free to download, with no in-app purchases.

### Is 大成上海 free?

大成上海 is free to download, with no in-app purchases.

### Do 航材经纬 or 大成上海 have ads?

Neither 航材经纬 nor 大成上海 shows ads.

### Which is updated more often, 航材经纬 or 大成上海?

航材经纬 ships an update every 3 weeks, and 大成上海 every 5 weeks. Most recently, 航材经纬 was updated on October 4, 2026 and 大成上海 on October 3, 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.*