# Calculator X: Math for iPad — Smart History, Plus Scientific

> Smart calculator app with history, editing, and dark mode for Apple devices. (iPhone/iPad app by Otrofy Inc..)

- Source: https://appshunter.io/ios/app/calculator-x-math-for-ipad/id1198685408 (this page in markdown: same URL + `.md`)
- Developer: [Otrofy Inc.](https://appshunter.io/developer/532323150)
- Category: Finance, Education
- Price: Free with in-app purchases
- Rating: 4.60/5 from 6,186 App Store ratings · 139 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 187 MB
- Languages: Canadian English, Arabic, Canadian French, German (Germany), Hindi, Italian, Japanese, Korean, Brazilian Portuguese, Russian and 5 more
- Released: 2017-02-13
- Data updated: 2026-08-18
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/calculator-x-math-for-ipad/id1198685408/reviews.md

## What is Calculator X?

Calculator app for iPad, iPhone and Apple Watch is a free app with extended features that increases your productivity!
Download now and join the club of users impressed by the product!

WHY YOU’LL LOVE CALCULATOR
• Basic & Easy to Use Calculator app on iPad, iPhone and Apple Watch
• History of Calculations: Save, Copy & Share
• Edit Equation
• Memory Last Calculation
• Dark Mode
• iPad, iPhone and Apple Watch Support
• Drag and Drop
• Split View

EDIT EQUATION DURING CALCULATION
You can edit numbers anytime during calculation process.

DARK MODE
Switch to Dark mode and enjoy the design! The dark mode protects eyes from bright colors, saves battery power and helps you focusing better.

SHARE YOUR CALCULATIONS
Having a great result with your calculation? Save time and send to your contacts fast & simple by sharing with calculator.

WE LOVE FEEDBACK
We always appreciate your feedback. Please keep sharing your experience, bugs and ideas to calculator.feedback@otrofy.com

Enjoying Calculator and want more features? Please show us some love by giving a 5 star review, so we can keep updating with great new features!

START CALCULATING TODAY

Terms of Use: https://otrofy.com/terms.pdf
Privacy Policy: http://otrofy.com/calculator-privacy.pdf

## Key features

- Basic & Easy to Use
- History of Calculations
- Edit Equation
- Memory Last Calculation
- Dark Mode
- Drag and Drop
- Split View

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Calculator Premium | $9.99 | per 6 months |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Gold Support | $6.99 | one-time |


## What do users think of Calculator X?

Overall sentiment: positive

**Pros**

- 👍 Simple and basic calculator
- 💜 Beautiful color themes
- 🔒 No ads
- 💾 Calculation history
- 🔍 Easy to use
- 🔥 Great for iPad/Apple Watch
- 🤩 Customizable icon and theme

**Cons**

- 🐛 Occasional bugs and glitches
- 💰 Paywall/tokens required to use
- 🖍️ Limited color options
- 🔢 Only supports up to 9 digits
- 🧮 No scientific calculator functions

**Commonly reported bugs**

- Calculation history clearing issues
- Dark mode not working properly
- Compatibility problems on older devices

**Most requested features**

- More color theme options
- Ability to edit/restore calculation history
- Percentage and scientific calculator functions
- Customizable fonts and layouts

## Recent user reviews (10 of 139)

All indexed reviews: https://appshunter.io/ios/app/calculator-x-math-for-ipad/id1198685408/reviews.md

### 5/5 — Amazing 🤗🤩🥰😁

*2026-07-04, version 1.49*

It helped me count my money in my piggy bank. The app made it a breeze to count money. And I test my family math questions even if i don’t know the answers❕🆒✔️

### 5/5 — iPad

*2025-11-17, version 1.49*

Good homework help.

### 5/5 — Amazing no ads ❤️❤️❤️❤️❤️❤️❤️❤️

*2025-02-20, version 1.49*

I love the fact that you have no ads

### 5/5 — Super good

*2025-02-15, version 1.49*

It’s so cute and it works really well and you could change if you want the sound or not or more things is so good

### 5/5 — Calculator X

*2024-12-24, version 1.49*

This app is so helpful I use it to check myself if you want a calculating app download  Calculator X

### 5/5 — Cool they help

*2024-12-12, version 1.49*

I don’t know if you you’re still good working

### 4/5 — Cute

*2024-11-30, version 1.49*

but I wish there were more color options

### 5/5 — ^

*2024-10-22, version 1.49*

Love the app it is the best digital calculator you can get!

### 5/5 — Je ne sais

*2024-10-14, version 1.49*

Pas mis b

### 2/5 — Good but could use some photo math

*2024-09-22, version 1.49*

Great for easy math not really for scientific notation

## Frequently asked questions about Calculator X

### What does Calculator X do?

Calculator X is a smart calculator application designed for iPad, iPhone, and Apple Watch. It provides basic and easy-to-use calculation functions along with extended features to boost user productivity.

### What are the key features of this calculator app?

Key features include a history of calculations that can be saved, copied, and shared, the ability to edit equations during the calculation process, memory for the last calculation, and a dark mode for eye comfort and battery saving. It also supports drag and drop and split view on compatible devices.

### Is Calculator X free to use?

The app is free to download and use, offering extended features. However, it does contain in-app purchases and advertisements, which may affect the user experience or unlock additional functionality.

### What devices is Calculator X compatible with?

Calculator X is designed for Apple devices, specifically supporting iPad, iPhone, and Apple Watch. This allows for a consistent and integrated experience across your Apple ecosystem.

### Can I edit a calculation after I've entered it?

Yes, one of the standout features is the ability to edit numbers anytime during the calculation process. This means you can correct mistakes or adjust values without having to start the entire equation over.

## Version history (last 5 releases)

### 1.49 — 2024-05-19

- Fixed minor bugs and performance improvements.

It would be great to hear your feedback at calculator.feedback@otrofy.com

### 1.48 — 2024-04-23

- Fixed minor bugs and performance improvements.

It would be great to hear your feedback at calculator.feedback@otrofy.com

### 1.47 — 2024-04-04

- Fixed minor bugs and performance improvements.

It would be great to hear your feedback at calculator.feedback@otrofy.com

### 1.46 — 2024-03-28

- Fixed minor bugs and performance improvements.

It would be great to hear your feedback at calculator.feedback@otrofy.com

### 1.45 — 2024-03-10

- Fixed minor bugs and performance improvements.

It would be great to hear your feedback at calculator.feedback@otrofy.com

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## More apps by Otrofy Inc.

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- [QR Reader: Scan & Keep History](https://appshunter.io/ios/app/qr-reader-scan-and-keep-history/id1505362553)
- [Epiphany Engine](https://appshunter.io/ios/app/epiphany-engine/id1567996574)

All apps by Otrofy Inc.: https://appshunter.io/developer/532323150

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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 2026-08-18.*