# I Ching vs SunMoonFox

The clearest difference is in-app purchases: SunMoonFox at none against I Ching's 10. SunMoonFox also leads on update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. I Ching sells 10 one-off in-app purchases. SunMoonFox asks for nothing beyond the download.

I Ching ships an update every 3 months, SunMoonFox monthly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | I Ching | SunMoonFox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/i-ching-yi-jing-library/id1476526250/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 14 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yi Jing GmbH](https://appshunter.io/developer/1476526249) | [Alfred Lor](https://appshunter.io/developer/6775257468) |

## What reviewers say

### I Ching

[App page](https://appshunter.io/ios/app/i-ching-yi-jing-library/id1476526250)

Explore ancient Chinese wisdom for life decisions and personal growth. This app offers precise calculations, helpful answers, and unique comparison features. Enjoy extensive interpretations from renowned masters, available in multiple languages and offline.

**Highlights:** Precise calculations and helpful answers, Unique text passage comparison, Read-aloud function, Integrated Q&A feature, Authentic divination techniques, Over 10,000 pages of commentary, 20 editions from renowned authors

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium version | $4.99 | one-time |
| Huang, Kerson and Rosemary | $5.99 | one-time |
| Package for reading aloud | $5.99 | one-time |
| Hilary Barrett | $6.99 | one-time |
| Jack Balkin | $7.99 | one-time |
| Stephen Karcher | $8.99 | one-time |
| James Legge | $8.99 | one-time |
| Bradford Hatcher | $8.99 | one-time |
| Adrian Stahel | $8.99 | one-time |
| Chung Wu | $9.99 | one-time |


### SunMoonFox

[App page](https://appshunter.io/ios/app/sunmoonfox/id6775257465)

**In-app purchases:** none


## Frequently asked questions

### Is I Ching free?

I Ching is free to download, with in-app purchases available.

### Is SunMoonFox free?

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

### Do I Ching or SunMoonFox have ads?

Neither I Ching nor SunMoonFox shows ads.

### Which is updated more often, I Ching or SunMoonFox?

I Ching ships an update every 3 months, and SunMoonFox monthly. Most recently, I Ching was updated on November 7, 2026 and SunMoonFox on November 5, 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.*