计算器 vs PerfectCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
计算器
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.
- 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)
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全能计算器，集计算器、科学计算器、分数计算器、汇率换算、亲戚计算器、房贷计算器、五险一金、日期计算器、进制转换、理财计算、自定义公式、单位换算、年龄计算、BMI计算、购车计算等为一体，功能强大，方便好用，简单解决各种计算、换算的超级计算器。 【计算器】基础计算器、科学计算器、分数计算器，支持语音功能，按键震动，比自带计算器更好用 【汇率换算】实时汇率、支持160多种货币、长按拖动排序、点击切换基准货币、侧滑删除货币 【亲戚计算器】三姑六婆，亲戚称呼，一键搞定 【房贷计算器】支持商业、公积金、组合贷，支持查看明细 【五险一金】计算工资到手所得，五险一金交多少一目了然 【大小写转换】人民币大写数字，报销更方便 【日期计算器】轻松计算两个日期之间的分钟数、小时数、天数、周数、月数、年数 【时间计算】帮助你做出小时和分钟加法和减法计算 【进制转换】二进制、八进制、十进制、十六进制，六十进制，自由转换，支持小数点 【理财计算】银行理财、复利理财、P2P理财，轻松计算 【自定义公式】自定义公式，随心定制属于自己的公式，方便计算 【单位换算】支持压强、容量、长度、面积、体积、温度、速度、时间、重量、功率、热量、力转换。
PerfectCalc
This app offers both basic and advanced scientific calculations with a user-friendly interface. It allows for real-time editing of calculations, history management, and theme customization.
- Basic and scientific calculations
- Trigonometric and inverse trigonometric functions
- Mathematical functions (abs, ceil, floor, round)
- Real-time calculation editing
- Historical records management
- Bright and dark theme switching
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An all-in-one calculation app that brings together a standard calculator, scientific calculator, and a wide range of practical tools. It supports basic and scientific calculations, fractions, currency conversion, unit conversion, base conversion, BMI, custom formulas, financial calculations, and other everyday needs - all in one app. [CORE FEATURES] Standard & Scientific Calculator Perform addition, subtraction, multiplication, division, percentages, calculations with parentheses, powers, trigonometric functions, inverse trigonometric functions, and more. Access custom formulas directly from the Home screen to reduce repetitive input. Freely edit calculations, move the cursor, and double-tap to select the current number. Fraction Calculator Enter and calculate fractions with results displayed in fractional form - useful for school, exams, and everyday tasks. Currency Converter Convert between multiple currencies, precious metals, and cryptocurrencies for travel, online shopping, investing, and everyday reference. Unit & Base Converters Convert common units and number bases for study, work, programming, and everyday use. BMI Calculator Quickly calculate body mass index for everyday health tracking. Custom Formulas Use built-in formulas or create reusable custom formula templates to make repeated calculations faster. Financial Calculators Calculate compound interest and recurring investments for common financial planning needs. History & Editable Calculations View, favorite, delete, and recalculate previous results. Edit calculations directly, so a typo never means starting over. Light & Dark Mode Switch between light and dark themes. [CONTACT US] Email: kingstar19900516@gmail.com QQ Group: 835604202
Screenshots
Verdict
计算器 and PerfectCalc both sit at 4.7 stars, but that hides the real split: 94% of PerfectCalc's written reviews are positive against 35% of 计算器's. PerfectCalc also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 计算器 sells 2 one-off in-app purchases and PerfectCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for 计算器 against 4.7 for PerfectCalc. Both are backed by a comparable volume of ratings — 826 and 342 respectively. Written reviews are what separate them: 35% of 计算器's written reviews are positive against 94% of PerfectCalc's.
计算器 ships an update every 2 months, PerfectCalc fortnightly. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.
| Parameter | 计算器 | PerfectCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (826 ratings) | 4.7 (342 ratings) |
| Positive reviews | 35.0% of reviews | 94.1% of reviews — better |
| Number of ratings | 826 — better | 342 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13 — better |
| Further details — not scored | ||
| Size | 110 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | 清龙 李 | 明星 王 |
Customer experience
计算器
PerfectCalc
User reviews
计算器
From 826 App Store ratingsWhat we love
- 🚀 Efficient and fast
- 💡 Useful features
- 👍 Good user experience
Room to improve
- 🐛 Bugs and glitches
- 🔍 Difficult to find ad close buttons
- 🔋 High ad frequency
PerfectCalc
From 342 App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Powerful features
- 💡 Useful history function
- 🔒 No ads
- 👍 Clean interface
Room to improve
- 🐛 Forced 5-star review for history function
- 🐛 Odd language issue with copied calculations
Bugs and requests
计算器
Reported bugs
3 issues- Inaccurate real-time exchange rates
- Calculation errors for large numbers
- Sudden disappearance of split mode
Requested features
3 requests- Add option to disable ads for paid users
- Improve historical calculation record feature
- Add support for traditional Chinese language
PerfectCalc
Reported bugs
2 issues- Forced 5-star review for history function
- Odd language issue with copied calculations
Requested features
2 requests- Dark mode option
- More customization options
In-app purchases
计算器
- 赞助去广告$3.99
- 赞助$14.99
PerfectCalc
- Calculator Pro$12.99
