# 卫星地图 vs 四维地球探索版

The clearest difference is ads: 四维地球探索版 at none against 卫星地图's shown. 卫星地图's advantage is update cadence (every 5 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

卫星地图 ships an update every 5 days, 四维地球探索版 every 2 weeks. The most recent releases landed on December 1, 2025 and May 19, 2026 respectively.

## The numbers

| Metric | 卫星地图 | 四维地球探索版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 28 MB | 124 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [志明 魏](https://appshunter.io/developer/1559401805) | [China Survey Mapping Technology Co., Ltd.](https://appshunter.io/developer/1491126259) |

## What reviewers say

### 卫星地图

[App page](https://appshunter.io/ios/app/id1560838656)

**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

**In-app purchases:** none


## Frequently asked questions

### Is 卫星地图 free?

卫星地图 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 卫星地图 or 四维地球探索版 have ads?

卫星地图 shows ads; 四维地球探索版 does not.

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

卫星地图 ships an update every 5 days, and 四维地球探索版 every 2 weeks. Most recently, 卫星地图 was updated on December 1, 2025 and 四维地球探索版 on May 19, 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.*