Calculator Pro Downloads & RevenueCalculator Pro: Maths & Units · App Store
Calculator + History ++
Not in any tracked top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
Developer贺 黄
CategoryUtilities
PriceFree
Released
Rating★ 4.6 (59)
Version1.3.1
Age rating4+
First seen by us
12 Oct 2026
12 Oct 2026Calculator Pro: Maths & Units update history & changes
Last change · 5 events since 13 Jan 2023Full timeline ↓Full timeline · 5 events
- ✏️Calculator Pro: Maths & Units added 5 languages+ DE + ES + FR + JA + KO
- 📦Calculator Pro: Maths & Units updated to version 1.3.1New scientific, fraction, percentage and unit calculators, a refreshed unified design, saved calculation history and support for eight languages.
- 🆕Calculator Pro: Maths & Units first spotted by AppInsiderChina (found via developer)
- 📦Calculator Pro: Maths & Units version 1.2.0bug fix
- 🆕Calculator Pro: Maths & Units released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.6 ★
59 ratings
Measured
Calculator Pro: Maths & Units on the App Store
App details
App ID
1663783541
Publisher
贺 黄
On the store since
Jan 2023
3 years on the store
Minimum OS
iOS 17.6+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
8
EN FR DE JA KO ZH ES ZH
Size
7 MB
Also listed in
Finance
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.6 ★
59 ratings
Measured
Ratings
59
Measured
About Calculator Pro: Maths & Units
Calculator brings five focused calculators into one clean, fast app. Switch between standard, scientific, fraction, percentage and unit conversion tools from the top menu.
Standard calculator: large-number arithmetic, saved history and quick correction.
Scientific calculator: expressions, trigonometry, logarithms, powers, roots, constants and DEG/RAD modes.
Fraction calculator: add, subtract, multiply and divide fractions with simplified and decimal results.
Percentage calculator: percentage of a value, proportions, percentage change and discounts.
Unit converter: length, mass, temperature, area, volume, speed and time.
The app works offline, keeps a clear history for everyday calculations, and supports English, Simplified Chinese, Traditional Chinese, Korean, Japanese, French, German and Spanish. Remove ads anytime with a one-time in-app purchase.
Standard calculator: large-number arithmetic, saved history and quick correction.
Scientific calculator: expressions, trigonometry, logarithms, powers, roots, constants and DEG/RAD modes.
Fraction calculator: add, subtract, multiply and divide fractions with simplified and decimal results.
Percentage calculator: percentage of a value, proportions, percentage change and discounts.
Unit converter: length, mass, temperature, area, volume, speed and time.
The app works offline, keeps a clear history for everyday calculations, and supports English, Simplified Chinese, Traditional Chinese, Korean, Japanese, French, German and Spanish. Remove ads anytime with a one-time in-app purchase.
Latest updates
1.3.1
New scientific, fraction, percentage and unit calculators, a refreshed unified design, saved calculation history and support for eight languages.
1.2.0
bug fix
Store changes
What Calculator Pro: Maths & Units changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Added 5 languages
+ DE + ES + FR + JA + KO
