# 生辰六十四象 vs 问易 Yi

The clearest difference is update cadence: 问易 Yi at every 3 days against 生辰六十四象's weekly. 生辰六十四象's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 生辰六十四象 sells 3 one-off in-app purchases and 问易 Yi sells 7 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

生辰六十四象 ships an update weekly, 问易 Yi every 3 days. The most recent releases landed on September 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 生辰六十四象 | 问易 Yi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/yi/id6774650739/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 64 MB | 75 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [济南众码云信息科技有限公司](https://appshunter.io/developer/1074656834) | [OneSource AI PTE. LTD.](https://appshunter.io/developer/1884215997) |

## What reviewers say

### 生辰六十四象

[App page](https://appshunter.io/ios/app/id6479280848)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3个月会员 | $14.99 | one-time |
| 1年会员 | $39.99 | one-time |
| 5年会员 | $129.99 | one-time |


### 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 (7)**

| 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 |
| 积分 × 30 | $0.99 | one-time |
| 积分 × 120 | $2.99 | one-time |
| 积分 × 360 | $6.99 | one-time |


## Frequently asked questions

### Is 生辰六十四象 free?

生辰六十四象 is free to download, with in-app purchases available.

### Is 问易 Yi free?

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

### Do 生辰六十四象 or 问易 Yi have ads?

Neither 生辰六十四象 nor 问易 Yi shows ads.

### Which is updated more often, 生辰六十四象 or 问易 Yi?

生辰六十四象 ships an update weekly, and 问易 Yi every 3 days. Most recently, 生辰六十四象 was updated on September 9, 2026 and 问易 Yi on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*