# Per schein vs i IChing

The clearest difference is in-app purchases: Per schein at none against i IChing's 1. Per schein also leads on iOS requirement (12.0 vs 16.6). i IChing's advantage is update cadence (every 10 days vs every 39 months). On price, ads and device support there is nothing between them.

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

Per schein ships an update every 39 months, i IChing every 10 days. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Per schein | i IChing |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 19 MB | 101 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MEGUMI KAWAI](https://appshunter.io/developer/1506090217) | [QOOQ inc.](https://appshunter.io/developer/446639722) |

## What reviewers say

### Per schein

[App page](https://appshunter.io/ios/app/per-schein/id1506090218)

**In-app purchases:** none


### i IChing

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

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


## Frequently asked questions

### Is Per schein free?

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

### Is i IChing free?

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

### Do Per schein or i IChing have ads?

Neither Per schein nor i IChing shows ads.

### Which is updated more often, Per schein or i IChing?

Per schein ships an update every 39 months, and i IChing every 10 days. Most recently, Per schein was updated on September 17, 2026 and i IChing on September 24, 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.*