---
title: "Professional calculator - Reviews, Revenue and Downloads in Belgium | Apple App Store"
description: "Calculator integrates multiple practical functions including arithmetic calculation, income tax calculation, unit conversion, 3D shape calculations, mortgage calculation, and kinship relationship calc"
---

# Professional calculator — Belgium
> calculation easier

![Professional calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/26/21/1d/26211d48-4e40-6b8f-d139-3bfc8e2d23a9/AppIcon-0-0-1x_U007emarketing-0-8-0-sRGB-85-220.png/434x0w.png)

**Developer:** [旭 王](https://apptail.io/developer/developer-jFS)
**Category:** Utilities
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** wx.Caculator
**Store:** Apple App Store
**Country:** Belgium
**Version:** 6.1.2 (released 2026-03-06)
**Original Release:** 2020-10-20
**Languages:** English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek (modern), Hebrew (modern), Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Polish, Portuguese, Romanian, Russian, Chinese, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/be/app/app/id1536254031)
**AppTail Page:** [https://apptail.io/app/app-uaQb/belgium](https://apptail.io/app/app-uaQb/belgium)

## Professional calculator Description
Calculator integrates multiple practical functions including arithmetic calculation, income tax calculation, unit conversion, 3D shape calculations, mortgage calculation, and kinship relationship calculation.
· Records complete calculation processes for easy reference, with comment insertion for bookkeeping
· Clear history log for instant access and reuse
· Built-in stylish skins with customizable themes
· Voice broadcast and keypress sounds enhance the calculation experience

[Basic Calculator]
Basic calculations, long expressions, fractions, and bracket operations with voice broadcast and keypad sounds. Outperforms system calculators.

[Income Tax Calculator]
Scientifically calculates tax based on pre-tax income, threshold, social insurance, housing fund, and other deductions.

[Unit Converter]
Supports conversions for:
Length | Mass | Area | Pressure | Speed | Internet Speed | Time | Power | Energy | Frequency | Fuel Consumption | Brightness

[3D Shape Calculator]
Calculations for: Cube, Cuboid, Cylinder, Cone, Pyramid, Prism, Frustum, Sphere, Torus, Cylindrical Ring, Regular Hexagonal Prism
Properties include: Length, Width, Height, Perimeter, Volume, Capacity, Area, Surface Area, Base Area, Radius, Diameter, Circle Area, Circumference, Generatrix Length, Edge Length, Platform Height

[Kinship Calculator]
Instantly identifies relatives like aunts, uncles, and in-laws. Never misaddress family members again!

[History Records]
Auto-saved calculation logs for easy bookkeeping and data security.

[Memo Bookkeeping]
Add notes to track income/expense sources for every calculation.

[RMB Capitalization]
Converts numbers to Chinese RMB capital letters for easier invoicing and reimbursement.

[More Features]
· Reuse Results: Apply previous results directly in new calculations
· Edit/Delete: Modify any expression with highlighted results
· Copy: Copy single lines or full calculations for sharing
· Font Adjustment: Adjustable font sizes with elderly-friendly mode
· Dark/Light Theme: Eye-friendly modes for day/night use
· 12 Premium Skins: Customize any color scheme
· Corner Styles: Choose rounded or square interfaces
· Key Sounds: Multiple feedback tones to prevent mis-taps
· Voice Broadcast: Real-time voice confirmation of inputs
· Date Stamping: Automatic date tagging for traceability
· 10-Decimal Precision: High-accuracy calculations
· Rounding Options: Round up/down or use standard rounding

[Contact Us]
QQ: 1260269149

[Subscription]

Plans: Monthly (1 month), Quarterly (3 months), Annual (12 months)

Pricing:
Monthly: $1.99/month
Quarterly: $5.99//quarter
Annual: $ 9.99/year

Payment: Charged to iTunes account upon confirmation

Auto-renewal: iTunes charges 24 hours before expiration

Benefits: All skins + Ad-free experience

Cancellation: Disable auto-renewal ≥24 hours before renewal

Management: Modify subscriptions via account settings

[Legal]
Privacy Policy: 
Terms of Service: 

## Professional calculator Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/40/fd/79/40fd798d-8161-fe27-bfa3-02a373b2b39c/8f3e1b5f-354f-4041-a944-b6032e1d14d4_1101690294870_.pic.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/12/a6/20/12a62076-6817-e943-05e5-1bdbaf6bf0e8/IMG_0256.PNG/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e1/0c/53/e10c5395-2117-f58f-0685-2918995fc6e7/b084913e-5943-4d3d-80ce-f3b2978c2bc1_Simulator_Screenshot_-_iPhone_15_-_2023-11-02_at_15.02.01.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/e9/f7/4f/e9f74f50-8f51-7d72-0c8d-c2578482edfa/ecce9045-f9a6-456c-a1ad-8c4c96e425f7_WechatIMG88.jpeg/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/c2/6f/bf/c26fbf03-605e-f70d-71eb-be38a94c09ad/840d5b60-0ab6-4d1c-aec6-507342b598cd_WechatIMG90.jpeg/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/b6/ac/00/b6ac003c-15f1-0a2e-f92b-cdba7d1e9382/7ac47e8f-d713-437b-9485-9fec9de62718_WechatIMG91.jpeg/1242x2688.png)

## Professional calculator Rating Breakdown in Belgium
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## Professional calculator In-App Purchases
| Item | Price |
|------|-------|
| Premium 1 Quarter | €6.99 |
| Premium 1 Year | €9.99 |
| Preminum 1 Month | €1.99 |



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## Professional calculator Available In
- [China](https://apptail.io/app/app-uaQb/china)
- [Vietnam](https://apptail.io/app/app-uaQb/vietnam)
- [United States](https://apptail.io/app/app-uaQb/united-states)
- [Hong Kong SAR China](https://apptail.io/app/app-uaQb/hong-kong)
- [Taiwan](https://apptail.io/app/app-uaQb/taiwan)
- [Malaysia](https://apptail.io/app/app-uaQb/malaysia)
- [Thailand](https://apptail.io/app/app-uaQb/thailand)
- [Germany](https://apptail.io/app/app-uaQb/germany)
- [Canada](https://apptail.io/app/app-uaQb/canada)
- [Japan](https://apptail.io/app/app-uaQb/japan)
- [Senegal](https://apptail.io/app/app-uaQb/senegal)
- [France](https://apptail.io/app/app-uaQb/france)
- [Macao SAR China](https://apptail.io/app/app-uaQb/macau)
- [Saudi Arabia](https://apptail.io/app/app-uaQb/saudi-arabia)
- [United Kingdom](https://apptail.io/app/app-uaQb/united-kingdom)
- [Australia](https://apptail.io/app/app-uaQb/australia)
- [Peru](https://apptail.io/app/app-uaQb/peru)
- [Russia](https://apptail.io/app/app-uaQb/russia)
- [India](https://apptail.io/app/app-uaQb/india)
- [South Korea](https://apptail.io/app/app-uaQb/south-korea)
- [Italy](https://apptail.io/app/app-uaQb/italy)
- [Spain](https://apptail.io/app/app-uaQb/spain)
- [Mali](https://apptail.io/app/app-uaQb/mali)
- [Switzerland](https://apptail.io/app/app-uaQb/switzerland)
- [Madagascar](https://apptail.io/app/app-uaQb/madagascar)
- [Egypt](https://apptail.io/app/app-uaQb/egypt)
- [Hungary](https://apptail.io/app/app-uaQb/hungary)
- [Poland](https://apptail.io/app/app-uaQb/poland)
- [Belgium](https://apptail.io/app/app-uaQb/belgium)
- [Colombia](https://apptail.io/app/app-uaQb/colombia)
- [Ecuador](https://apptail.io/app/app-uaQb/ecuador)
- [Ghana](https://apptail.io/app/app-uaQb/ghana)
- [Croatia](https://apptail.io/app/app-uaQb/croatia)
- [Kuwait](https://apptail.io/app/app-uaQb/kuwait)
- [Luxembourg](https://apptail.io/app/app-uaQb/luxembourg)
- [Oman](https://apptail.io/app/app-uaQb/oman)
- [Philippines](https://apptail.io/app/app-uaQb/philippines)
- [United Arab Emirates](https://apptail.io/app/app-uaQb/united-arab-emirates)
- [Sweden](https://apptail.io/app/app-uaQb/sweden)
- [Uzbekistan](https://apptail.io/app/app-uaQb/uzbekistan)
- [Algeria](https://apptail.io/app/app-uaQb/algeria)
- [Dominican Republic](https://apptail.io/app/app-uaQb/dominican-republic)
- [Austria](https://apptail.io/app/app-uaQb/austria)
- [Cayman Islands](https://apptail.io/app/app-uaQb/cayman-islands)
- [Kazakhstan](https://apptail.io/app/app-uaQb/kazakhstan)
- [Lebanon](https://apptail.io/app/app-uaQb/lebanon)
- [Sri Lanka](https://apptail.io/app/app-uaQb/sri-lanka)
- [Ukraine](https://apptail.io/app/app-uaQb/ukraine)
- [Denmark](https://apptail.io/app/app-uaQb/denmark)
- [Czechia](https://apptail.io/app/app-uaQb/czechia)
- [Cyprus](https://apptail.io/app/app-uaQb/cyprus)
- [Mexico](https://apptail.io/app/app-uaQb/mexico)
- [Chile](https://apptail.io/app/app-uaQb/chile)
- [Nigeria](https://apptail.io/app/app-uaQb/nigeria)
- [Netherlands](https://apptail.io/app/app-uaQb/netherlands)
- [Norway](https://apptail.io/app/app-uaQb/norway)
- [Nepal](https://apptail.io/app/app-uaQb/nepal)
- [New Zealand](https://apptail.io/app/app-uaQb/new-zealand)
- [Argentina](https://apptail.io/app/app-uaQb/argentina)
- [Belarus](https://apptail.io/app/app-uaQb/belarus)
- [Uruguay](https://apptail.io/app/app-uaQb/uruguay)
- [Pakistan](https://apptail.io/app/app-uaQb/pakistan)
- [South Africa](https://apptail.io/app/app-uaQb/south-africa)
- [Portugal](https://apptail.io/app/app-uaQb/portugal)
- [Paraguay](https://apptail.io/app/app-uaQb/paraguay)
- [Qatar](https://apptail.io/app/app-uaQb/qatar)
- [Romania](https://apptail.io/app/app-uaQb/romania)
- [Brazil](https://apptail.io/app/app-uaQb/brazil)
- [Brunei](https://apptail.io/app/app-uaQb/brunei)
- [Armenia](https://apptail.io/app/app-uaQb/armenia)
- [Singapore](https://apptail.io/app/app-uaQb/singapore)
- [Slovakia](https://apptail.io/app/app-uaQb/slovakia)
- [Bulgaria](https://apptail.io/app/app-uaQb/bulgaria)
- [Azerbaijan](https://apptail.io/app/app-uaQb/azerbaijan)
- [Tunisia](https://apptail.io/app/app-uaQb/tunisia)
- [Türkiye](https://apptail.io/app/app-uaQb/turkey)
- [Greece](https://apptail.io/app/app-uaQb/greece)
- [Indonesia](https://apptail.io/app/app-uaQb/indonesia)
- [Ireland](https://apptail.io/app/app-uaQb/ireland)
- [Israel](https://apptail.io/app/app-uaQb/israel)
- [Finland](https://apptail.io/app/app-uaQb/finland)
- [Estonia](https://apptail.io/app/app-uaQb/estonia)
- [Jamaica](https://apptail.io/app/app-uaQb/jamaica)

---

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