# 子平天象 vs Changes

The clearest difference is update cadence: 子平天象 at every 3 days against Changes's fortnightly. 子平天象 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

子平天象 ships an update every 3 days, Changes fortnightly. The most recent releases landed on October 5, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 子平天象 | Changes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 13 MB | 9 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [彦灵 赵](https://appshunter.io/developer/1805856244) | [Apeonwheels Inc.](https://appshunter.io/developer/1883606207) |

## What reviewers say

### 子平天象

[App page](https://appshunter.io/ios/app/id6744304866)

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

**In-app purchases:** none


### Changes

[App page](https://appshunter.io/ios/app/changes-i-ching-journal/id6779364326)

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

**In-app purchases:** none


## Frequently asked questions

### Is 子平天象 free?

子平天象 is free to download, with no in-app purchases.

### Is Changes free?

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

### Do 子平天象 or Changes have ads?

Neither 子平天象 nor Changes shows ads.

### Which is updated more often, 子平天象 or Changes?

子平天象 ships an update every 3 days, and Changes fortnightly. Most recently, 子平天象 was updated on October 5, 2026 and Changes on October 22, 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.*