# EZ Engineering Calculator vs 動物計算機

The clearest difference is price: 動物計算機 at Free against EZ Engineering Calculator's $4.99. 動物計算機 also leads on iOS requirement (12.0 vs 17.0). EZ Engineering Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment and device support there is nothing between them.

動物計算機 is free to download; EZ Engineering Calculator costs $4.99 up front. 動物計算機 sells 1 one-off in-app purchase. EZ Engineering Calculator asks for nothing beyond the download.

EZ Engineering Calculator ships an update every 5 weeks, 動物計算機 every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | EZ Engineering Calculator | 動物計算機 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Paid | — |
| Size | 1 MB | 18 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHING FENG WANG](https://appshunter.io/developer/394371304) | [CHIA-WEN HUANG](https://appshunter.io/developer/1488572322) |

## What reviewers say

### EZ Engineering Calculator

[App page](https://appshunter.io/ios/app/ez-engineering-calculator/id470931826)

This app provides a comprehensive engineering calculator with advanced functions, unit and currency conversions. It offers a clean, ad-free experience with offline capabilities and supports multiple languages and dark mode.

**Highlights:** Advanced engineering functions, Extensive unit conversion, Daily updated currency conversion, Offline functionality, Ad-free experience, Multi-language support, Dark mode

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

**In-app purchases:** none


### 動物計算機

[App page](https://appshunter.io/ios/app/id1512468767)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告 | $3.99 | one-time |


## Frequently asked questions

### Is EZ Engineering Calculator free?

EZ Engineering Calculator costs $4.99, with no in-app purchases.

### Is 動物計算機 free?

動物計算機 is free to download, with in-app purchases available.

### Do EZ Engineering Calculator or 動物計算機 have ads?

動物計算機 shows ads; EZ Engineering Calculator does not.

### Which is updated more often, EZ Engineering Calculator or 動物計算機?

EZ Engineering Calculator ships an update every 5 weeks, and 動物計算機 every 3 months. Most recently, EZ Engineering Calculator was updated on November 1, 2026 and 動物計算機 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.*