# 金口訣 vs KD Lock

The clearest difference is ads: KD Lock at none against 金口訣's shown. KD Lock also leads on update cadence (every 6 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

金口訣 ships an update every 4 months, KD Lock every 6 weeks. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 金口訣 | KD Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id1085440914/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 48 MB | 26 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [健 杨](https://appshunter.io/developer/463198144) | [Guangzhou Kuodao Internet of Things Technology Co., Ltd.](https://appshunter.io/developer/1196125665) |

## What reviewers say

### 金口訣

[App page](https://appshunter.io/ios/app/id1085440914)

This app provides a professional system for Jin Kou Jue, a high-level predictive art derived from Da Liu Ren. It allows users to generate and analyze predictive charts based on time, birth information, and other parameters, offering insights into various aspects of life.

**Highlights:** Generate Jin Kou Jue charts, Display detailed chart information, Provide brief chart analysis, Offer auxiliary analysis tools, Support data import/export, Configurable parameter settings, Dual Chinese display options

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

**In-app purchases:** none


### KD Lock

[App page](https://appshunter.io/ios/app/kd-lock/id1196125666)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 金口訣 free?

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

### Is KD Lock free?

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

### Do 金口訣 or KD Lock have ads?

金口訣 shows ads; KD Lock does not.

### Which is updated more often, 金口訣 or KD Lock?

金口訣 ships an update every 4 months, and KD Lock every 6 weeks. Most recently, 金口訣 was updated on November 2, 2026 and KD Lock on October 29, 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.*