# Calendar Lunar vs Quantitative QiMen 奇門

The clearest difference is price: Calendar Lunar at Free against Quantitative QiMen 奇門's $129.99. Quantitative QiMen 奇門's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Calendar Lunar is free to download; Quantitative QiMen 奇門 costs $129.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendar Lunar ships an update every 2 months, Quantitative QiMen 奇門 every 3 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calendar Lunar | Quantitative QiMen 奇門 |
| --- | --- | --- |
| Price | **Free** | $129.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 15 MB | 16 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VS Computing Company Limited](https://appshunter.io/developer/1097557541) | [Djauhery .](https://appshunter.io/developer/1510896841) |

## What reviewers say

### Calendar Lunar

[App page](https://appshunter.io/ios/app/calendar-lunar/id1109882898)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantitative QiMen 奇門

[App page](https://appshunter.io/ios/app/quantitative-qimen/id1510896842)

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Lunar free?

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

### Is Quantitative QiMen 奇門 free?

Quantitative QiMen 奇門 costs $129.99, with no in-app purchases.

### Do Calendar Lunar or Quantitative QiMen 奇門 have ads?

Calendar Lunar shows ads; Quantitative QiMen 奇門 does not.

### Which is updated more often, Calendar Lunar or Quantitative QiMen 奇門?

Calendar Lunar ships an update every 2 months, and Quantitative QiMen 奇門 every 3 months. Most recently, Calendar Lunar was updated on October 29, 2026 and Quantitative QiMen 奇門 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.*