# QiMenChart vs I Ching Calendar

The clearest difference is price: I Ching Calendar at Free against QiMenChart's $6.99. I Ching Calendar also leads on update cadence (every 5 weeks vs every 6 months). QiMenChart's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.6). On ads and device support there is nothing between them.

I Ching Calendar is free to download; QiMenChart costs $6.99 up front. I Ching Calendar sells 3 in-app purchases, starting at $1.99 per 7 days. QiMenChart asks for nothing beyond the download.

QiMenChart ships an update every 6 months, I Ching Calendar every 5 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | QiMenChart | I Ching Calendar |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/i-ching-calendar/id6784172213/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 13 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LAY KHIM TAN](https://appshunter.io/developer/738497892) | [帮兰 吴](https://appshunter.io/developer/1729036017) |

## What reviewers say

### QiMenChart

[App page](https://appshunter.io/ios/app/qimenchart/id1028901400)

This app generates historical charts for years, months, days, and hours using traditional Chinese calendrical methods. It allows users to orient the chart with a compass based on their position. The application focuses solely on chart plotting without providing any analysis or user settings.

**Highlights:** Plot Year, Month, Day, Hour Charts, Chai Bu and Zhi Run Methods, Year Range 1800-9999, Compass Orientation, Chart Plotting Only

**In-app purchases:** none


### I Ching Calendar

[App page](https://appshunter.io/ios/app/i-ching-calendar/id6784172213)

This comprehensive folk custom app offers a perpetual calendar, auspicious date selection, numerology analysis, and health management tools. It integrates traditional Zhouyi culture with modern planning features for daily life and significant events.

**Highlights:** Perpetual calendar with Gregorian & lunar lookup, Auspicious date selector for events, Traditional numerology analysis (Eight-character, marriage matching), Eastern & Western divination (hexagrams, Tarot, horoscopes), Seasonal health manager with period tracker, Name numerology suite for baby naming and renaming

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional | $1.99 | per 7 days |
| Professional | $2.99 | per month |
| Professional | $19.99 | per year |


## Frequently asked questions

### Is QiMenChart free?

QiMenChart costs $6.99, with no in-app purchases.

### Is I Ching Calendar free?

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

### Do QiMenChart or I Ching Calendar have ads?

Neither QiMenChart nor I Ching Calendar shows ads.

### Which is updated more often, QiMenChart or I Ching Calendar?

QiMenChart ships an update every 6 months, and I Ching Calendar every 5 weeks. Most recently, QiMenChart was updated on October 8, 2026 and I Ching Calendar on October 16, 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.*