# 通勝 300年版 vs 问易 Yi

The clearest difference is price: 问易 Yi at Free against 通勝 300年版's $69.99. 问易 Yi also leads on update cadence (every 3 days vs weekly) and device support (3 vs 1). 通勝 300年版's advantage is rating (5.0 vs 1.0) and in-app purchases (none vs 7). On ratings volume, ads and iOS requirement there is nothing between them.

问易 Yi is free to download; 通勝 300年版 costs $69.99 up front. 问易 Yi sells 7 in-app purchases, starting at $5.99 per month. 通勝 300年版 asks for nothing beyond the download.

通勝 300年版 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

通勝 300年版 ships an update weekly, 问易 Yi every 3 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 通勝 300年版 | 问易 Yi |
| --- | --- | --- |
| Price | $69.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/300/id351058026/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/yi/id6774650739/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Paid | **Freemium** |
| Size | 226 MB | 87 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Firm 13 Limited](https://appshunter.io/developer/294205351) | [OneSource AI PTE. LTD.](https://appshunter.io/developer/1884215997) |

## What reviewers say

### 通勝 300年版

[App page](https://appshunter.io/ios/app/300/id351058026)

This professional almanac app provides detailed auspicious and inauspicious information for over 300 years, from 1800 to 2150. It helps users navigate daily life by offering guidance on lucky days for various events, including marriage, moving, and business openings, based on traditional Chinese metaphysics.

**Highlights:** 300+ year calendar (1800-2150), Daily auspicious/inauspicious information, Search for specific event dates, Directional guidance (wealth, joy), Includes public holidays for multiple regions, Bookmarking for dates

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

**In-app purchases:** none


### 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 通勝 300年版 free?

通勝 300年版 costs $69.99, with no in-app purchases.

### Is 问易 Yi free?

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

### Which has better reviews, 通勝 300年版 or 问易 Yi?

通勝 300年版 is rated higher. 通勝 300年版 averages 5.0 out of 5 from 1 ratings, while 问易 Yi averages 1.0 from 1 ratings.

### Do 通勝 300年版 or 问易 Yi have ads?

Neither 通勝 300年版 nor 问易 Yi shows ads.

### Which is updated more often, 通勝 300年版 or 问易 Yi?

通勝 300年版 ships an update weekly, and 问易 Yi every 3 days. Most recently, 通勝 300年版 was updated on October 10, 2026 and 问易 Yi on October 14, 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.*