# 黑行者 vs 四维地球探索版

The clearest difference is update cadence: 四维地球探索版 at every 2 weeks against 黑行者's every 2 months. 黑行者's advantage is iOS requirement (9.0 vs 12.0). 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.

黑行者 ships an update every 2 months, 四维地球探索版 every 2 weeks. The most recent releases landed on September 15, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | 黑行者 | 四维地球探索版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 59 MB | 124 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [克 李](https://appshunter.io/developer/1593840750) | [China Survey Mapping Technology Co., Ltd.](https://appshunter.io/developer/1491126259) |

## What reviewers say

### 黑行者

[App page](https://appshunter.io/ios/app/id1435004329)

**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 黑行者 free?

黑行者 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 黑行者 or 四维地球探索版 have ads?

Neither 黑行者 nor 四维地球探索版 shows ads.

### Which is updated more often, 黑行者 or 四维地球探索版?

黑行者 ships an update every 2 months, and 四维地球探索版 every 2 weeks. Most recently, 黑行者 was updated on September 15, 2026 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.*