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Calculator HD Pro

Calculator HD Pro

Basic & Scientific Calc

11K ratings
761 reviews
📚 Education
🔧 Utilities
$9.99
In-App Purchases

Details

  • Released
  • Updated
  • October 13, 2012
  • March 19, 2026

Features

Developer

Cider Software LLC
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iphone
ipad
🧾$1.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐761
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❓5 answered
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📦~ in 1 month
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About

This app offers a powerful and customizable calculator experience with a dual-line display for seeing input and results simultaneously. Save and organize your calculations with history, labeling, and email options. Personalize layouts, themes, and fonts for a comfortable and efficient user experience.

✓Dual-line display
✓Multi-line input
✓Calculation history
✓Customizable layouts and themes
✓Full scientific functions
✓Left-handed mode
✓VoiceOver accessibility
Show original description

What users say

Summarized from real user reviews of Calculator HD Pro. Based on 11K reviews and a 4.8/5 average, it highlights the 9 positives and 3 negatives reviewers mention most about this Utilities app.

Positive things

  • 🚀Significantly better than Apple's calculator
  • 👍Excellent app with great features
  • 👍Flawless app, very useful
  • 👍Fantastic calculator, meets all needs
  • 👍Best calculator app, highly recommended
  • 👍Brilliant, polished, and customizable
  • 👍Versatile, easy to use, and reliable
  • 👍Powerful and user-friendly
  • 👍Intuitive, clean interface, and full-featured

Negative things

  • 🐛Bothersome pop-up review requests
  • 🐛Cannot delete lists in history tapes
  • 🐛Repeated rate and review pop-ups
See all reviews

What's New in Calculator HD Pro

4.15.2

March 19, 2026

- Bug fixes and performance improvements.

2

In-App Purchases

$1.99

Widget

Today Widget

User reviews

Most RecentHighest RatedLowest Rated

Stop

The notifications for reviews is crazy i already gave it 5 stars. If it could calculate distances it would be great
RedVenomOSRedVenomOS

Great Calculator

My go to calculator.
uberhateruberhater

Great calc

Great calc. The history of past calculations is super. Very easy to. I'm a machinist and i use it all the time.
patassomppatassomp

Get this app!

Awesome app have used for years. Go pro version
oscarcat2oscarcat2

I love this calculator ❣️

I use it daily. It is on my phone so it is my go to calculator. I have used it every day for almost a decade.
It is easily accessible and easy to use.
Thanks so much for the handy tool.🤗
MercybelleMercybelle
See 756 more reviews

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User experience

🐞

Reported Bugs

2 issues

Cannot delete lists in history tapes

Bug

Ads still appear after purchasing full version

Bug
✨

Requested Features

3 requests

Add binary, decimal, and hex conversion

Feature

Ability to manually sort result lines

Feature

Add a tax calculation button

Feature

FAQ

What does Calculator HD Pro do?

This app provides a comprehensive calculator experience with a dual-line display that shows your input and result simultaneously. It supports multi-line input for complex equations, offers extensive customization options for layouts and themes, and includes a full scientific calculator when needed.

What are the key features of Calculator HD Pro?

Key features include a dual-line display, multi-line input, a history function that saves all calculations, extensive customization of layouts, color themes, and fonts, full scientific functions, left-handed mode, and VoiceOver accessibility.

Is Calculator HD Pro free to use?

The app is free to download and use, offering a completely ad-free experience. There are optional in-app purchases available for additional features like the Today View Widget and Multiple History Tapes.

What devices is Calculator HD Pro compatible with?

The app supports various devices and offers features like iPad Split View and 3D Touch support. It also includes a Today View Widget for iOS 17 and below, indicating compatibility with a range of iOS versions.

How can I save and organize my calculations?

The app features a history function that saves every calculation with its date and time. You can label important calculations for easy reference, email individual calculations or the entire history, and swipe down to review previous work.