# Yìjīng vs I Ching Oracle

The clearest difference is price: I Ching Oracle at Free against Yìjīng's $7.79. Yìjīng's advantage is in-app purchases (none vs 5). On update cadence, ads, device support and iOS requirement there is nothing between them.

I Ching Oracle is free to download; Yìjīng costs $7.79 up front. I Ching Oracle sells 5 in-app purchases, starting at $9.99 per month. Yìjīng asks for nothing beyond the download.

Yìjīng ships an update every 5 weeks, I Ching Oracle every 3 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Yìjīng | I Ching Oracle |
| --- | --- | --- |
| Price | $7.79 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 37 MB | 65 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Corpora Inc](https://appshunter.io/developer/1808739895) | [LEVENT DOGUT](https://appshunter.io/developer/671158100) |

## What reviewers say

### Yìjīng

[App page](https://appshunter.io/ios/app/yijing/id6744656859)

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

**In-app purchases:** none


### I Ching Oracle

[App page](https://appshunter.io/ios/app/i-ching-oracle-synch/id6761907176)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synch Premium Monthly | $9.99 | per month |
| Synch Premium Yearly | $59.99 | per year |
| 10 deep readings | $4.99 | one-time |
| 30 deep readings | $12.99 | one-time |
| 100 deep readings | $34.99 | one-time |


## Frequently asked questions

### Is Yìjīng free?

Yìjīng costs $7.79, with no in-app purchases.

### Is I Ching Oracle free?

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

### Do Yìjīng or I Ching Oracle have ads?

Neither Yìjīng nor I Ching Oracle shows ads.

### Which is updated more often, Yìjīng or I Ching Oracle?

Yìjīng ships an update every 5 weeks, and I Ching Oracle every 3 weeks. Most recently, Yìjīng was updated on October 15, 2026 and I Ching Oracle 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.*