# PHK Key vs 问道紫微

The clearest difference is price: PHK Key at Free against 问道紫微's $5.99. PHK Key also leads on in-app purchases (none vs 1) and iOS requirement (9.0 vs 26.0). 问道紫微's advantage is update cadence (fortnightly vs monthly). On ads and device support there is nothing between them.

PHK Key is free to download; 问道紫微 costs $5.99 up front. 问道紫微 sells 1 one-off in-app purchase. PHK Key asks for nothing beyond the download.

PHK Key ships an update monthly, 问道紫微 fortnightly. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | PHK Key | 问道紫微 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/phk-key/id1331863191/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 2 MB | 9 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Phillip Securities (HK) Limited](https://appshunter.io/developer/466984983) | [广鑫 武](https://appshunter.io/developer/1799611597) |

## What reviewers say

### PHK Key

[App page](https://appshunter.io/ios/app/phk-key/id1331863191)

This security code generator provides two-factor authentication for online trading. Download it to your mobile device to enhance your account security.

**Highlights:** Two-factor login authentication, Online trading security, Mobile code generation, Enhanced security

**Features:** macOS Compatibility

**In-app purchases:** none


### 问道紫微

[App page](https://appshunter.io/ios/app/id6743531035)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy the Developer a Coffee | $1.99 | one-time |


## Frequently asked questions

### Is PHK Key free?

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

### Is 问道紫微 free?

问道紫微 costs $5.99, and also offers in-app purchases.

### Do PHK Key or 问道紫微 have ads?

Neither PHK Key nor 问道紫微 shows ads.

### Which is updated more often, PHK Key or 问道紫微?

PHK Key ships an update monthly, and 问道紫微 fortnightly. Most recently, PHK Key was updated on November 2, 2026 and 问道紫微 on November 12, 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.*