# EZ Engineering Calculator vs 计算器

The clearest difference is review sentiment: EZ Engineering Calculator at 100% against 计算器's 35%. EZ Engineering Calculator also leads on in-app purchases (none vs 2) and ads (none vs shown). 计算器's advantage is price (Free vs $4.99) and iOS requirement (15.6 vs 17.0). On update cadence and device support there is nothing between them.

计算器 is free to download; EZ Engineering Calculator costs $4.99 up front. 计算器 sells 2 one-off in-app purchases. EZ Engineering Calculator asks for nothing beyond the download.

EZ Engineering Calculator ships an update every 5 weeks, 计算器 every 2 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | EZ Engineering Calculator | 计算器 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.7 (828 ratings)](https://appshunter.io/ios/app/id1265739545/reviews)** |
| Number of ratings | — | **828** |
| Positive reviews | **100.0% of reviews** | 35.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 110 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CHING FENG WANG](https://appshunter.io/developer/394371304) | [清龙 李](https://appshunter.io/developer/1226266031) |

## 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


### 计算器

[App page](https://appshunter.io/ios/app/id1265739545)

This comprehensive calculator app offers a wide range of tools, including basic and scientific calculations, currency conversion, loan and tax calculators, and unit conversions. It simplifies complex calculations and conversions with an intuitive interface and voice input support.

**Highlights:** Basic and scientific calculator with voice input, Real-time currency conversion for over 160 countries, Loan calculator for commercial, provident fund, and combined loans, Tax calculator for salary, year-end bonuses, and labor remuneration, Date and unit conversion tools, Number system conversion (binary, octal, decimal, hexadecimal)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助去广告 | $3.99 | one-time |
| 赞助 | $14.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast
- 💡 Useful features
- 👍 Good user experience

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Difficult to find ad close buttons
- 🔋 High ad frequency

**Reported bugs**

- Inaccurate real-time exchange rates
- Calculation errors for large numbers
- Sudden disappearance of split mode

**Requested features**

- Add option to disable ads for paid users
- Improve historical calculation record feature
- Add support for traditional Chinese language


## Frequently asked questions

### Is EZ Engineering Calculator free?

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

### Is 计算器 free?

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

### Do EZ Engineering Calculator or 计算器 have ads?

计算器 shows ads; EZ Engineering Calculator does not.

### Which is updated more often, EZ Engineering Calculator or 计算器?

EZ Engineering Calculator ships an update every 5 weeks, and 计算器 every 2 months. Most recently, EZ Engineering Calculator was updated on November 1, 2026 and 计算器 on November 11, 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.*