# 警云 vs 佳印

The clearest difference is update cadence: 佳印 at fortnightly against 警云's every 3 months. 佳印 also leads on iOS requirement (10.0 vs 15.0). 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.

警云 ships an update every 3 months, 佳印 fortnightly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 警云 | 佳印 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 56 MB | 58 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CONWIN Tech. Ltd.](https://appshunter.io/developer/940312643) | [国山 耿](https://appshunter.io/developer/1505459708) |

## What reviewers say

### 警云

[App page](https://appshunter.io/ios/app/id940312644)

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

**In-app purchases:** none


### 佳印

[App page](https://appshunter.io/ios/app/id1505976365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 警云 free?

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

### Is 佳印 free?

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

### Do 警云 or 佳印 have ads?

Neither 警云 nor 佳印 shows ads.

### Which is updated more often, 警云 or 佳印?

警云 ships an update every 3 months, and 佳印 fortnightly. Most recently, 警云 was updated on November 1, 2026 and 佳印 on November 7, 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.*