# 火先知 vs 四川移动O域门户

The clearest difference is iOS requirement: 四川移动O域门户 at 9.0 against 火先知's 12.0. 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.

火先知 ships an update every 3 weeks, 四川移动O域门户 monthly. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 火先知 | 四川移动O域门户 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 123 MB | 47 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hikvision Digital Technology Co.,Ltd](https://appshunter.io/developer/358934279) | [中国移动四川分公司](https://appshunter.io/developer/566818857) |

## What reviewers say

### 火先知

[App page](https://appshunter.io/ios/app/id1476029559)

**Features:** macOS Compatibility

**In-app purchases:** none


### 四川移动O域门户

[App page](https://appshunter.io/ios/app/o/id1485190510)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 火先知 free?

火先知 is free to download, with no in-app purchases.

### Is 四川移动O域门户 free?

四川移动O域门户 is free to download, with no in-app purchases.

### Do 火先知 or 四川移动O域门户 have ads?

Neither 火先知 nor 四川移动O域门户 shows ads.

### Which is updated more often, 火先知 or 四川移动O域门户?

火先知 ships an update every 3 weeks, and 四川移动O域门户 monthly. Most recently, 火先知 was updated on September 23, 2026 and 四川移动O域门户 on September 9, 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.*