# Yi Jing vs ゆにわ塾

The clearest difference is price: ゆにわ塾 at Free against Yi Jing's $4.99. ゆにわ塾 also leads on in-app purchases (none vs 10) and update cadence (every 3 weeks vs every 4 months). Yi Jing's advantage is chart position (#98 vs unranked). On ads and device support there is nothing between them.

ゆにわ塾 is free to download; Yi Jing costs $4.99 up front. Yi Jing sells 10 one-off in-app purchases. ゆにわ塾 asks for nothing beyond the download.

Yi Jing ships an update every 4 months, ゆにわ塾 every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Yi Jing | ゆにわ塾 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (918 ratings)](https://appshunter.io/ios/app/yi-jing/id311377342/reviews)** | — |
| Number of ratings | **918** | — |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#98** | — |
| Size | 122 MB | 77 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Flat Earth Studio LLC](https://appshunter.io/developer/311377345) | [グレイトティーチャー株式会社](https://appshunter.io/developer/1405262504) |

## What reviewers say

### Yi Jing

[App page](https://appshunter.io/ios/app/yi-jing/id311377342)

**Currently charting:** #98 Top Paid · Lifestyle (US App Store)

This app provides an ancient oracle experience on your modern device. It helps you navigate life's challenges by offering a journal, multiple book translations, and various methods for casting coins or manipulating yarrow stalks to receive guidance.

**Highlights:** Ask questions using coin toss or yarrow stalks, Manage a detailed journal with notes and search, Browse multiple I Ching book translations, Access original Chinese and other language texts, Includes artwork and specialized casting methods

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| I Ging: Das Buch der Wandlungen | $2.99 | one-time |
| I Ching (Hurn) | $4.99 | one-time |
| The I Ching: Book I (Wilhelm) | $4.99 | one-time |
| The I Ching II: The Material | $4.99 | one-time |
| The I Ching III: Commentaries | $4.99 | one-time |
| The I Ching Workbook (RL Wing) | $6.99 | one-time |
| I Ching (Barrett) | $6.99 | one-time |
| Navigating Change (Karcher) | $8.99 | one-time |
| The Complete I Ching (Huang) | $9.99 | one-time |
| The Laws of Change (Balkin) | $9.99 | one-time |

**What reviewers like**

- 🌟 Excellent I Ching resource
- 📚 Comprehensive library of translations
- 🗓️ Useful journaling capabilities
- 🔍 Ability to compare multiple interpretations
- 🧭 Variety of casting methods (coins, yarrow)

**What reviewers complain about**

- 🐛 Occasional crashes or stability issues
- 🔒 Difficulty syncing journal across devices
- 🖋️ Typing issues (disappearing text)
- 🔍 Lack of full Wilhelm translation availability

**Reported bugs**

- Crashes on launch or shortly after
- Typing issues (text disappearing)
- Syncing problems between devices

**Requested features**

- Add more I Ching text translations
- Improve syncing and cross-device support
- Implement password protection for journal entries
- Optimize performance and stability


### ゆにわ塾

[App page](https://appshunter.io/ios/app/id1662899887)

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

**In-app purchases:** none


## Frequently asked questions

### Is Yi Jing free?

Yi Jing costs $4.99, and also offers in-app purchases.

### Is ゆにわ塾 free?

ゆにわ塾 is free to download, with no in-app purchases.

### Do Yi Jing or ゆにわ塾 have ads?

Neither Yi Jing nor ゆにわ塾 shows ads.

### Which is updated more often, Yi Jing or ゆにわ塾?

Yi Jing ships an update every 4 months, and ゆにわ塾 every 3 weeks. Most recently, Yi Jing was updated on November 1, 2026 and ゆにわ塾 on October 30, 2026.

---

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