# 蓝星地图 vs 四维地球探索版

The clearest difference is iOS requirement: 蓝星地图 at 8.0 against 四维地球探索版's 13.0. On price, update cadence, ads 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.

蓝星地图 ships an update every 5 weeks, 四维地球探索版 every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 蓝星地图 | 四维地球探索版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 65 MB | 109 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [金星 仲](https://appshunter.io/developer/1439338445) | [China Survey Mapping Technology Co., Ltd.](https://appshunter.io/developer/1491126259) |

## What reviewers say

### 蓝星地图

[App page](https://appshunter.io/ios/app/id1537251034)

**Features:** macOS Compatibility

**In-app purchases:** none


### 四维地球探索版

[App page](https://appshunter.io/ios/app/id6472040086)

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

**In-app purchases:** none


## Frequently asked questions

### Is 蓝星地图 free?

蓝星地图 is free to download, with no in-app purchases.

### Is 四维地球探索版 free?

四维地球探索版 is free to download, with no in-app purchases.

### Do 蓝星地图 or 四维地球探索版 have ads?

Neither 蓝星地图 nor 四维地球探索版 shows ads.

### Which is updated more often, 蓝星地图 or 四维地球探索版?

蓝星地图 ships an update every 5 weeks, and 四维地球探索版 every 3 weeks. Most recently, 蓝星地图 was updated on October 25, 2026 and 四维地球探索版 on October 27, 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.*