# 地图测绘 PRO vs 低空亿

The clearest difference is price: 低空亿 at Free against 地图测绘 PRO's $0.99. 低空亿 also leads on update cadence (weekly vs every 12 months). 地图测绘 PRO's advantage is iOS requirement (9.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

低空亿 is free to download; 地图测绘 PRO costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

地图测绘 PRO ships an update every 12 months, 低空亿 weekly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 地图测绘 PRO | 低空亿 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Paid | — |
| Size | 3 MB | 137 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [北京才牛图科技有限公司](https://appshunter.io/developer/1556885180) | [河北中启之芯科技有限公司](https://appshunter.io/developer/1833453617) |

## What reviewers say

### 地图测绘 PRO

[App page](https://appshunter.io/ios/app/pro/id1589442083)

This professional mapping tool allows users to measure areas by drawing custom polygons and distances by creating multi-point polylines directly on a map. It offers various map views and a search function to easily define measurement areas.

**Highlights:** Measure area with custom polygons, Measure distance with multi-point polylines, Multiple map view options (satellite, terrain, street), Search function for defining measurement areas

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

**In-app purchases:** none


### 低空亿

[App page](https://appshunter.io/ios/app/id6748329049)

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

**In-app purchases:** none


## Frequently asked questions

### Is 地图测绘 PRO free?

地图测绘 PRO costs $0.99, with no in-app purchases.

### Is 低空亿 free?

低空亿 is free to download, with no in-app purchases.

### Do 地图测绘 PRO or 低空亿 have ads?

Neither 地图测绘 PRO nor 低空亿 shows ads.

### Which is updated more often, 地图测绘 PRO or 低空亿?

地图测绘 PRO ships an update every 12 months, and 低空亿 weekly. Most recently, 地图测绘 PRO was updated on October 10, 2026 and 低空亿 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.*