# 结构设计工具箱 vs 智能计算器

The clearest difference is ads: 智能计算器 at none against 结构设计工具箱's shown. 智能计算器 also leads on update cadence (every 5 days vs every 4 months) and iOS requirement (13.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 结构设计工具箱 sells 3 in-app purchases, starting at $3.99 per month and 智能计算器 sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

结构设计工具箱 ships an update every 4 months, 智能计算器 every 5 days. The most recent releases landed on August 30, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 结构设计工具箱 | 智能计算器 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 16 MB | 16 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [疆 边](https://appshunter.io/developer/1124320934) | [Hebei jiudao network technology co., ltd](https://appshunter.io/developer/1683067256) |

## What reviewers say

### 结构设计工具箱

[App page](https://appshunter.io/ios/app/id1170765643)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月 | $3.99 | per month |
| 一年 | $7.99 | per year |
| 完整版 | $12.99 | one-time |


### 智能计算器

[App page](https://appshunter.io/ios/app/id6475540044)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $0.99 | per month |
| 周会员 | $0.99 | per 7 days |
| 季会员 | $2.99 | per 3 months |
| 永久会员 | $7.99 | one-time |


## Frequently asked questions

### Is 结构设计工具箱 free?

结构设计工具箱 is free to download, with in-app purchases available.

### Is 智能计算器 free?

智能计算器 is free to download, with in-app purchases available.

### Do 结构设计工具箱 or 智能计算器 have ads?

结构设计工具箱 shows ads; 智能计算器 does not.

### Which is updated more often, 结构设计工具箱 or 智能计算器?

结构设计工具箱 ships an update every 4 months, and 智能计算器 every 5 days. Most recently, 结构设计工具箱 was updated on August 30, 2026 and 智能计算器 on September 20, 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.*