# 实用结构静力计算 vs 订阅酱

The clearest difference is price: 订阅酱 at Free against 实用结构静力计算's $12.99. 订阅酱 also leads on update cadence (every 2 months vs every 6 months). 实用结构静力计算's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On review sentiment, ads and device support there is nothing between them.

订阅酱 is free to download; 实用结构静力计算 costs $12.99 up front. 订阅酱 sells 3 in-app purchases, starting at $0.99 per month. 实用结构静力计算 asks for nothing beyond the download.

实用结构静力计算 ships an update every 6 months, 订阅酱 every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 实用结构静力计算 | 订阅酱 |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Positive reviews | **55.6% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 64 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [疆 边](https://appshunter.io/developer/1124320934) | [东 范](https://appshunter.io/developer/1173530057) |

## What reviewers say

### 实用结构静力计算

[App page](https://appshunter.io/ios/app/id1185307976)

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

**In-app purchases:** none


### 订阅酱

[App page](https://appshunter.io/ios/app/id1619889012)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 订阅酱高级版 | $0.99 | per month |
| 订阅酱高级版 | $8.99 | per year |
| 订阅酱高级版 | $9.99 | one-time |


## Frequently asked questions

### Is 实用结构静力计算 free?

实用结构静力计算 costs $12.99, with no in-app purchases.

### Is 订阅酱 free?

订阅酱 is free to download, with in-app purchases available.

### Do 实用结构静力计算 or 订阅酱 have ads?

Neither 实用结构静力计算 nor 订阅酱 shows ads.

### Which is updated more often, 实用结构静力计算 or 订阅酱?

实用结构静力计算 ships an update every 6 months, and 订阅酱 every 2 months. Most recently, 实用结构静力计算 was updated on November 2, 2026 and 订阅酱 on November 3, 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.*