# 皇极经世历法 vs 维度AI

The clearest difference is price: 维度AI at Free against 皇极经世历法's $4.99. 维度AI also leads on update cadence (every 11 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

维度AI 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.

皇极经世历法 ships an update every 3 months, 维度AI every 11 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 皇极经世历法 | 维度AI |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Size | 26 MB | 18 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [西安招保万臻信息技术有限公司](https://appshunter.io/developer/1821575964) | [北京维度范式科技有限公司](https://appshunter.io/developer/1830396034) |

## What reviewers say

### 皇极经世历法

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

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

**In-app purchases:** none


### 维度AI

[App page](https://appshunter.io/ios/app/ai/id6749416510)

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

**In-app purchases:** none


## Frequently asked questions

### Is 皇极经世历法 free?

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

### Is 维度AI free?

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

### Do 皇极经世历法 or 维度AI have ads?

Neither 皇极经世历法 nor 维度AI shows ads.

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

皇极经世历法 ships an update every 3 months, and 维度AI every 11 days. Most recently, 皇极经世历法 was updated on October 2, 2026 and 维度AI on October 1, 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.*