# 计算器 vs FP Scientific&Basic Calculator

The clearest difference is in-app purchases: FP Scientific&Basic Calculator at none against 计算器's 2. FP Scientific&Basic Calculator also leads on ads (none vs shown) and review sentiment (69% vs 35%). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. 计算器 sells 2 one-off in-app purchases. FP Scientific&Basic Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for 计算器 against 4.6 for FP Scientific&Basic Calculator. Both are backed by a comparable volume of ratings — 828 and 655 respectively. Written reviews are what separate them: 35% of 计算器's written reviews are positive against 69% of FP Scientific&Basic Calculator's.

计算器 ships an update every 2 months, FP Scientific&Basic Calculator every 2 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 计算器 | FP Scientific&Basic Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (828 ratings)](https://appshunter.io/ios/app/id1265739545/reviews)** | [4.6 (655 ratings)](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625/reviews) |
| Number of ratings | **828** | 655 |
| Positive reviews | 35.0% of reviews | **68.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 110 MB | 92 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [清龙 李](https://appshunter.io/developer/1226266031) | [Ofly Tech Co., Ltd.](https://appshunter.io/developer/1556021627) |

## What reviewers say

### 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


### FP Scientific&Basic Calculator

[App page](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625)

This app offers a versatile calculator with basic arithmetic, currency, and unit conversion capabilities. It features customizable interfaces, including dark mode, and supports split-screen functionality on iPads. Users can also track calculation history and split bills.

**Highlights:** Basic and arithmetic calculations, Currency conversion (160 currencies), Unit conversion (10 units), Dark and light mode, Split-screen computing, Calculation history, Bill splitting

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent app
- 👍 Great calculator
- 👍 User-friendly interface
- 👍 Comprehensive features
- 👍 Convenient currency converter

**What reviewers complain about**

- 🐛 Frozen currency exchange rates
- 🔍 Excessive ads and pop-ups
- ⏱️ Slow app startup
- 🔒 Lack of ad-free purchase option

**Reported bugs**

- Currency converter not working
- Crashes and freezes
- Incompatibility with older devices

**Requested features**

- Add tax calculation feature
- Implement widget support
- Provide more Christmas themes
- Fix currency converter issues


## Frequently asked questions

### Is 计算器 free?

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

### Is FP Scientific&Basic Calculator free?

FP Scientific&Basic Calculator is free to download, with no in-app purchases.

### Which has better reviews, 计算器 or FP Scientific&Basic Calculator?

计算器 is rated higher. 计算器 averages 4.7 out of 5 from 828 ratings, while FP Scientific&Basic Calculator averages 4.6 from 655 ratings.

### Do 计算器 or FP Scientific&Basic Calculator have ads?

计算器 shows ads; FP Scientific&Basic Calculator does not.

### Which is updated more often, 计算器 or FP Scientific&Basic Calculator?

计算器 ships an update every 2 months, and FP Scientific&Basic Calculator every 2 weeks. Most recently, 计算器 was updated on October 24, 2026 and FP Scientific&Basic Calculator on October 22, 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.*