# WE_EMS vs 皇极经世历法

The clearest difference is price: WE_EMS at Free against 皇极经世历法's $4.99. WE_EMS also leads on update cadence (monthly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

WE_EMS is free to download; 皇极经世历法 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WE_EMS ships an update monthly, 皇极经世历法 every 3 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | WE_EMS | 皇极经世历法 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 42 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [程 冯](https://appshunter.io/developer/1690092406) | [西安招保万臻信息技术有限公司](https://appshunter.io/developer/1821575964) |

## What reviewers say

### WE_EMS

[App page](https://appshunter.io/ios/app/we-ems/id6449695091)

**Features:** macOS Compatibility

**In-app purchases:** none


### 皇极经世历法

[App page](https://appshunter.io/ios/app/id6747464136)

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

**In-app purchases:** none


## Frequently asked questions

### Is WE_EMS free?

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

### Is 皇极经世历法 free?

皇极经世历法 costs $4.99, with no in-app purchases.

### Do WE_EMS or 皇极经世历法 have ads?

Neither WE_EMS nor 皇极经世历法 shows ads.

### Which is updated more often, WE_EMS or 皇极经世历法?

WE_EMS ships an update monthly, and 皇极经世历法 every 3 months. Most recently, WE_EMS was updated on October 9, 2026 and 皇极经世历法 on October 2, 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.*