# 问易 Yi vs 小六壬 · 诸葛马前课

The clearest difference is price: 问易 Yi at Free against 小六壬 · 诸葛马前课's $0.99. 问易 Yi also leads on update cadence (every 3 days vs every 8 days). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

问易 Yi is free to download; 小六壬 · 诸葛马前课 costs $0.99 up front. 问易 Yi sells 8 in-app purchases, starting at $5.99 per month and 小六壬 · 诸葛马前课 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

问易 Yi ships an update every 3 days, 小六壬 · 诸葛马前课 every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 问易 Yi | 小六壬 · 诸葛马前课 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/yi/id6774650739/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | **Freemium** | Paid |
| Size | 102 MB | 38 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OneSource AI PTE. LTD.](https://appshunter.io/developer/1884215997) | [Shanxi Bonnwenle Technology Co., Ltd.](https://appshunter.io/developer/6787324610) |

## What reviewers say

### 问易 Yi

[App page](https://appshunter.io/ios/app/yi/id6774650739)

This app serves as a companion for studying the I Ching and a private journal for decision-making. It helps users clarify questions, reflect on situations, and review past decisions without predicting outcomes. It offers access to classic texts, commentary, and optional personal assessments.

**Highlights:** Study 64 hexagrams with source text and commentary, Private decision-reflection journaling, On-device AI assistance, Optional self-report personality assessments, End-to-end encrypted sync, Data export and deletion options, Multilingual study support

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yi Plus — Monthly | $5.99 | per month |
| Yi Master — Monthly | $12.99 | per month |
| Yi Plus — Yearly | $49.99 | per year |
| Yi Master — Yearly | $99.99 | per year |
| 30 Yi Credits | $0.99 | one-time |
| 10 Yi Credits | $0.99 | one-time |
| 120 Yi Credits | $2.99 | one-time |
| 360 Yi Credits | $6.99 | one-time |


### 小六壬 · 诸葛马前课

[App page](https://appshunter.io/ios/app/id6787324608)

This tool uses traditional Chinese divination methods to generate hexagrams based on the current time. It displays the results, calculation process, and historical records, all while respecting user privacy and offering offline functionality.

**Highlights:** Automatic time-based divination, Lunar calendar and time conversion, Displays divination results and process, Local history saving, Offline functionality, Multi-language support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent Unlock | $0.99 | one-time |


## Frequently asked questions

### Is 问易 Yi free?

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

### Is 小六壬 · 诸葛马前课 free?

小六壬 · 诸葛马前课 costs $0.99, and also offers in-app purchases.

### Do 问易 Yi or 小六壬 · 诸葛马前课 have ads?

Neither 问易 Yi nor 小六壬 · 诸葛马前课 shows ads.

### Which is updated more often, 问易 Yi or 小六壬 · 诸葛马前课?

问易 Yi ships an update every 3 days, and 小六壬 · 诸葛马前课 every 8 days. Most recently, 问易 Yi was updated on October 24, 2026 and 小六壬 · 诸葛马前课 on October 25, 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.*