# KAODAOHK vs HK Customs Interview Prep

The clearest difference is update cadence: HK Customs Interview Prep at every 3 days against KAODAOHK's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KAODAOHK sells 2 in-app purchases, starting at $11.99 per month and HK Customs Interview Prep sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

KAODAOHK ships an update every 10 days, HK Customs Interview Prep every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | KAODAOHK | HK Customs Interview Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 50 MB | 94 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Employment Training Limited](https://appshunter.io/developer/6776229561) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### KAODAOHK

[App page](https://appshunter.io/ios/app/kaodaohk/id6776229559)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KAODAOHK Pro Monthly | $11.99 | per month |
| KAODAOHK Ultra Monthly | $14.99 | per month |


### HK Customs Interview Prep

[App page](https://appshunter.io/ios/app/hk-customs-interview-prep/id6795889851)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 90-day Pro Offer | $24.99 | one-time |
| 180-Day Pro | $29.99 | one-time |
| 90-Day Pro | $29.99 | one-time |


## Frequently asked questions

### Is KAODAOHK free?

KAODAOHK is free to download, with in-app purchases available.

### Is HK Customs Interview Prep free?

HK Customs Interview Prep is free to download, with in-app purchases available.

### Do KAODAOHK or HK Customs Interview Prep have ads?

Neither KAODAOHK nor HK Customs Interview Prep shows ads.

### Which is updated more often, KAODAOHK or HK Customs Interview Prep?

KAODAOHK ships an update every 10 days, and HK Customs Interview Prep every 3 days. Most recently, KAODAOHK was updated on October 24, 2026 and HK Customs Interview Prep on October 24, 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.*