# 刺猬实用工具 vs Calculator

The clearest difference is in-app purchases: 刺猬实用工具 at none against Calculator's 1. Calculator's advantage is update cadence (every 2 months vs every 23 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Calculator sells 1 one-off in-app purchase. 刺猬实用工具 asks for nothing beyond the download.

刺猬实用工具 ships an update every 23 months, Calculator every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 刺猬实用工具 | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-brill-calc/id6478857571/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Vision Pro** |
| Age rating | 17+ | 9+ |
| Developer | [飞 边](https://appshunter.io/developer/1624997944) | [Maxim Frolov](https://appshunter.io/developer/1008508211) |

## What reviewers say

### 刺猬实用工具

[App page](https://appshunter.io/ios/app/id6444861180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator

[App page](https://appshunter.io/ios/app/calculator-brill-calc/id6478857571)

This calculator app features a unique hexagonal interface with color-coded buttons for easy operation. It offers a comprehensive set of mathematical functions, including basic operations, trigonometry, logarithms, and memory functions, optimized for touch control.

**Highlights:** Unique hexagonal button layout, Full scientific and basic math functions, Trigonometric and logarithmic operations, Memory functions (m+, m-, AC), Radian/degree toggle, Color-coded buttons

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Version | $4.99 | one-time |


## Frequently asked questions

### Is 刺猬实用工具 free?

刺猬实用工具 is free to download, with no in-app purchases.

### Is Calculator free?

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

### Do 刺猬实用工具 or Calculator have ads?

Neither 刺猬实用工具 nor Calculator shows ads.

### Which is updated more often, 刺猬实用工具 or Calculator?

刺猬实用工具 ships an update every 23 months, and Calculator every 2 months. Most recently, 刺猬实用工具 was updated on October 27, 2026 and Calculator on October 24, 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.*