# i IChing vs I CHING 1

The clearest difference is in-app purchases: I CHING 1 at none against i IChing's 1. i IChing's advantage is update cadence (every 10 days vs every 5 weeks) and iOS requirement (16.6 vs 18.2). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. i IChing sells 1 one-off in-app purchase. I CHING 1 asks for nothing beyond the download.

i IChing ships an update every 10 days, I CHING 1 every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | i IChing | I CHING 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/i-ching-1/id6743580800/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 99 MB | 1 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [QOOQ inc.](https://appshunter.io/developer/446639722) | [Alexander Deleuse](https://appshunter.io/developer/1803504905) |

## What reviewers say

### i IChing

[App page](https://appshunter.io/ios/app/i-iching/id1515102228)

This app offers authentic I Ching divination using a digital recreation of the traditional yarrow stalk method. It provides over 250,000 characters of content, including original texts and Wilhelm commentary, to guide users through life decisions.

**Highlights:** Authentic yarrow stalk divination, 250,000+ characters of content, Complete Wilhelm commentary, Ad-free divination experience, Browse all 64 hexagrams, Automatic reading history

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | one-time |


### I CHING 1

[App page](https://appshunter.io/ios/app/i-ching-1/id6743580800)

Access ancient wisdom with this intuitive application. Focus on your question, simulate coin tosses, and receive guidance from the "Book of Changes." Features include changing line notation, related hexagrams, and saved readings.

**Highlights:** Intuitive I Ching experience, Simulated coin tosses, Hexagram readings, Changing line notation, Related Hexagrams, Saved readings, Light and dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i IChing free?

i IChing is free to download, with in-app purchases available.

### Is I CHING 1 free?

I CHING 1 is free to download, with no in-app purchases.

### Do i IChing or I CHING 1 have ads?

Neither i IChing nor I CHING 1 shows ads.

### Which is updated more often, i IChing or I CHING 1?

i IChing ships an update every 10 days, and I CHING 1 every 5 weeks. Most recently, i IChing was updated on November 3, 2026 and I CHING 1 on November 4, 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.*