# HKI vs 随身信息官

The clearest difference is in-app purchases: HKI at none against 随身信息官's 1. HKI also leads on update cadence (every 2 days vs every 6 days) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 随身信息官 sells 1 in-app purchase, starting at $2.99 per month. HKI asks for nothing beyond the download.

HKI ships an update every 2 days, 随身信息官 every 6 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HKI | 随身信息官 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 42 MB | 1 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aircity Operating System (HK) Limited](https://appshunter.io/developer/1843832934) | [Shenzhen Ranyi Technology Co., Ltd.](https://appshunter.io/developer/1834550723) |

## What reviewers say

### HKI

[App page](https://appshunter.io/ios/app/hki/id6753649193)

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

**In-app purchases:** none


### 随身信息官

[App page](https://appshunter.io/ios/app/ai/id6755083156)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |


## Frequently asked questions

### Is HKI free?

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

### Is 随身信息官 free?

随身信息官 is free to download, with in-app purchases available.

### Do HKI or 随身信息官 have ads?

Neither HKI nor 随身信息官 shows ads.

### Which is updated more often, HKI or 随身信息官?

HKI ships an update every 2 days, and 随身信息官 every 6 days. Most recently, HKI was updated on October 8, 2026 and 随身信息官 on October 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.*