# 嘉测地基检测管理 vs 天元海

The clearest difference is update cadence: 嘉测地基检测管理 at every 6 weeks against 天元海's every 35 months. 嘉测地基检测管理 also leads on iOS requirement (13.0 vs 15.4). 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.

嘉测地基检测管理 ships an update every 6 weeks, 天元海 every 35 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 嘉测地基检测管理 | 天元海 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 35 months |
| Size | 32 MB | 29 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晖 孙](https://appshunter.io/developer/1229545345) | [天津天元海科技开发有限公司](https://appshunter.io/developer/1642692615) |

## What reviewers say

### 嘉测地基检测管理

[App page](https://appshunter.io/ios/app/id1229545346)

**Features:** macOS Compatibility

**In-app purchases:** none


### 天元海

[App page](https://appshunter.io/ios/app/id1642692613)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 嘉测地基检测管理 free?

嘉测地基检测管理 is free to download, with no in-app purchases.

### Is 天元海 free?

天元海 is free to download, with no in-app purchases.

### Do 嘉测地基检测管理 or 天元海 have ads?

Neither 嘉测地基检测管理 nor 天元海 shows ads.

### Which is updated more often, 嘉测地基检测管理 or 天元海?

嘉测地基检测管理 ships an update every 6 weeks, and 天元海 every 35 months. Most recently, 嘉测地基检测管理 was updated on October 26, 2026 and 天元海 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.*