# Calculator X Pro — Currency and Unit Converter

> Advanced calculator and extensive unit/currency converter for iPad. (iPhone/iPad app by DROXIC OOD.)

- Source: https://appshunter.io/ios/app/calculator-x-pro/id725315019 (this page in markdown: same URL + `.md`)
- Developer: [DROXIC OOD](https://appshunter.io/developer/595303748)
- Category: Utilities, Business
- Price: $0.99
- Rating: 4.70/5 from 18 App Store ratings · 37 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 28 MB
- Languages: American English, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek, Hebrew, Indonesian and 15 more
- Released: 2013-10-28
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/calculator-x-pro/id725315019/reviews.md

## What is Calculator X Pro?

Calculator X Pro is extremely useful calculator and unit converter for iPad.

Calculator Features:

- basic calculator in portrait view 
- additional mathematical and scientific functions in landscape view 
- standard memory functions 

Unit/Currency Converter Features: 

- 25+ Categories, 450+ Units 
- 150+ Currencies 
- Support of 24 Languages

Available categories: 
Acceleration, Angle, Area, Astronomical, Cooking Volume, Data, Data Transfer, Energy, Flow, Force, Frequency, Fuel, Length, Luminance, Power, Performance, Pressure, Radiation, Speed, Temperature, Time, Torque, Typography, Volume, Weight, Currencies

Available languages: 
English, Deutsch, Dansk, Français, Nederlands, Magyar, Suomi , Português, Italiano, Español, Русский, Svenska, Slovenčina, Bokmål, Türkçe, Ελληνικ, Polski, Čeština, Română, Hrvatski, Українська, 日本語, 简体中文, 한국의

## Key features

- Basic and scientific calculator functions
- Portrait and landscape modes
- Over 450 units in 25+ categories
- 150+ currencies supported
- 24 language options
- Standard memory functions

## Recent user reviews (10 of 37)

All indexed reviews: https://appshunter.io/ios/app/calculator-x-pro/id725315019/reviews.md

### 5/5 — Très pratique

*2019-10-30, version 1.3*

J’aime beaucoup cette application

### 4/5 — Utile

*2019-10-25, version 1.3*

J'aime cette app.

### 2/5 — Landscape on Iphone

*2018-01-06, version 1.2.1*

Calculator should be portrait on the iPhone, not the other way around: uninstalled..

5 stars on the iPad though..

### 4/5 — Fisherman83

*2016-11-14*

Works well not only for math, but all conversions (including currency when traveling)!

### 5/5 — Subaie

*2016-06-09*

Handy app.

### 5/5 — Works for me!

*2016-04-25*

Works for me on my new iPad mini 4 with iOS 9.  Great for traveling as it functions even offline.  Currency conversions are based on the most recent download when offline.

### 5/5 — Gilles L.

*2016-04-09, version 1.2.1*

Un indispensable autant pour le voyage que pour le domicile. Utilisation facile autant pour IPad que IPhone

### 1/5 — No longer works. DELETE

*2015-12-12*

This app no longer works with the latest iOS. The conversion function no longer switches between different functions. Delete delete delete. Useless.

### 5/5 — Good

*2015-05-11*

Perfect app

### 4/5 — Work as it was

*2015-01-03*

Great app for iPad + nice color

## Frequently asked questions about Calculator X Pro

### What does Calculator X Pro do?

Calculator X Pro is a powerful utility app for iPad that combines a full-featured calculator with an extensive unit and currency converter. It provides basic and scientific calculation functions, along with the ability to convert between a vast array of units and currencies.

### What are the key features of Calculator X Pro?

Key features include a basic calculator in portrait view and advanced scientific functions in landscape view. It also boasts a unit converter with over 450 units across 25 categories and a currency converter supporting over 150 currencies. Standard memory functions are also included.

### How much does Calculator X Pro cost?

Calculator X Pro is a paid application. The provided information indicates it is not free and does not have in-app purchases or ads, suggesting a one-time purchase price for full access.

### Is Calculator X Pro compatible with my device?

Calculator X Pro is specifically designed for iPad. While the description does not specify exact iPadOS versions, it is intended for use on Apple's tablet devices.

### What are common use cases for Calculator X Pro?

Common use cases include everyday calculations, solving complex scientific problems, converting measurements for cooking or DIY projects, and performing currency exchanges for travel or international transactions. Its multi-language support also makes it useful for a global audience.

## Version history (last 5 releases)

### 1.3 — 2019-10-09

Bug-fixes for iOS 13.

### 1.2.1 — 2015-10-16

Fixed a bug with some languages in iOS 9

### 1.2 — 2014-11-07

Bug fixes

### 1.1 — 2014-03-09

Bugfixes and new languages: 

- Danish 
- Finnish 
- Greek 
- Hungarian 
- Norwegian 
- Slovak 
- Ukrainian 
- Croatian 
- Romanian

### 1.0 — 2013-10-26

No release notes.

## More apps by DROXIC OOD

- [Calculator + Converter](https://appshunter.io/ios/app/calculator-plus-converter/id406784509)
- [Converter: Units & Currencies.](https://appshunter.io/ios/app/converter-units-and-currencies/id480734305)
- [Timer. Pro](https://appshunter.io/ios/app/timer-pro/id595353113)
- [Converter: Units & Currencies](https://appshunter.io/ios/app/converter-units-and-currencies/id611682160)
- [Timer!](https://appshunter.io/ios/app/timer/id616033718)

All apps by DROXIC OOD: https://appshunter.io/developer/595303748

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*