# 九极星AR地球仪 vs 热水监控

The clearest difference is update cadence: 九极星AR地球仪 at every 2 weeks against 热水监控's every 24 months. 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.

九极星AR地球仪 ships an update every 2 weeks, 热水监控 every 24 months. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 九极星AR地球仪 | 热水监控 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 24 months |
| Size | 2.9 GB | 20 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秀红 于](https://appshunter.io/developer/1449441031) | [武汉蜗牛智享科技有限公司](https://appshunter.io/developer/1114690738) |

## What reviewers say

### 九极星AR地球仪

[App page](https://appshunter.io/ios/app/ar/id1449441032)

**Features:** macOS Compatibility

**In-app purchases:** none


### 热水监控

[App page](https://appshunter.io/ios/app/id1463934532)

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

**In-app purchases:** none


## Frequently asked questions

### Is 九极星AR地球仪 free?

九极星AR地球仪 is free to download, with no in-app purchases.

### Is 热水监控 free?

热水监控 is free to download, with no in-app purchases.

### Do 九极星AR地球仪 or 热水监控 have ads?

Neither 九极星AR地球仪 nor 热水监控 shows ads.

### Which is updated more often, 九极星AR地球仪 or 热水监控?

九极星AR地球仪 ships an update every 2 weeks, and 热水监控 every 24 months. Most recently, 九极星AR地球仪 was updated on October 26, 2026 and 热水监控 on October 8, 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.*