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TechniCalc Calculator

TechniCalc Calculator

Scientific & Engineering

84 ratings
39 reviews
📚 Education
🔧 Utilities
$7.99
In-App Purchases

Details

Released
April 3, 2020
Updated
September 19, 2026

Features

Developer

Jacob Parker
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TechniCalc Calculator screenshot #1 for iPhone
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TechniCalc Calculator screenshot #10 for iPhone
iphone
ipad
watch
🧾$0.99 - $9.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐39
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦~ in 1 month
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About

This app offers a modern, intuitive interface for complex calculations, supporting scientific, engineering, and advanced mathematical functions. It allows natural equation entry, provides a formula book, and includes unit and currency converters. Available across Apple devices, it caters to students and professionals needing a powerful calculation tool.

✓Natural equation entry
✓Advanced math engine
✓Formula book and equations
✓Unit and currency converter
✓Statistics mode
✓Equation solvers
✓Supports multiple Apple devices
Show original description

What users say about TechniCalc Calculator

Reviews of TechniCalc Calculator are mostly positive: the Utilities app is rated 4.7/5 from 84 App Store ratings. What users like most: beautiful and clean UI, powerful and versatile functionality. Top complaints: interface scaling issues on iPad (split screen/windowed mode), UI elements (keypad, sidebar) become enormous when resized. Summarized from real user reviews.

Positive things

  • ✨Beautiful and clean UI
  • 🚀Powerful and versatile functionality
  • 👍Intuitive and easy to use
  • 💡Extensive features for scientific and basic use
  • 👨‍💻Responsive and dedicated developer
  • 💸Worth the price, good value
  • 📱Works well on all devices (Mac, iPhone, iPad)
  • 🚫Ad-free experience
  • 🧮Great for engineering and academic use
  • ✍️Natural language input and equation editor
  • 🔄Results update as you type
  • 🌟Polished and professional appearance
  • 🔬Useful for scientific calculations and conversions
  • 🗂️Handy reference section
  • 🧮Matrix operations and equation editor are excellent
  • 💡'Constants' feature is a time saver
  • 🧮Ability to build equations with fillable numbers
  • 💯High attention to detail
  • ✅No bugs reported by some users
  • 💡Supports complex calculations
  • ✨Visually appealing design
  • 🧮Specialized functionality (linear algebra, complex arithmetic)
  • 💡Natural language layout mirrors physical calculators
  • 💡Great replacement for stock calculators
  • 💡Excellent for productivity
  • 💡Solves problems using the same equation
  • 💡Great pedagogical tool
  • 💡Unit conversions are helpful
  • 💡Decimal to mixed number conversion (requested and added)

Negative things

  • 🐛Interface scaling issues on iPad (split screen/windowed mode)
  • 🐛UI elements (keypad, sidebar) become enormous when resized
  • 🐛Calculations get squished at the top of the window
  • 🐛Matrices overlap on themselves when resized
  • 🐛Text too small and light on iPad
  • 🐛Needs to be more functional in low light/outside
  • 🐛Unit converter is time-consuming to change units
  • 🐛Matrix dimensions are not always possible (e.g., 3x2)
  • 🐛Lacks basic matrix functions like reducedRowEchelon
  • 🐛Complicated to use for some matrix operations
  • 🐛No real instruction manual, reference section incomplete
  • 🐛Inconsistencies in signs with decimal numbers (magnitude correct, sign always positive)
  • 🐛Some calculations can be slow after currency update
  • 🐛Real and imaginary breakout functions have strange behavior
  • 🐛Window size cannot be changed on macOS
  • 🐛Cannot force quit on macOS, requires restart
  • 🐛Not easily findable on macOS
  • 🐛No way to leave a second tip for the developer
  • 🐛Resent not being able to email the developer directly
See all reviews

What's New in TechniCalc Calculator

1.31.2

September 19, 2026

Currency converter fixes

4

Subscriptions & In-App Purchases

$0.99

Every Little Helps

Purely optional tip

User reviews

Most RecentHighest RatedLowest Rated

Good

Wish it functioned on Apple Watch and could change the divide sign to /
GGroundman

Great calculator

Not bad but for 8 buck this was worth a good robust calculator with out a dang ad in sight!!
FFriend_of_Jamis

Great calculator

Clean, thoughtfully designed calculator, especially handy for scientific purposes, especially when it comes to to units and conversions.
Fflyer583

I want to love this, but it’s unusable.

I made a bit on an impulse decision in buying this calculator - it seemed to be an excellent upgrade from the aging desmos scientific app & the just horrible apple calculator. The features of this app are great, but the interface is scaled terribly. It reacts extremely poorly to being resized, and is completely unusable when not in full screen. 95% of my workflow with a calculator is either in slide over or split screen / windowed mode with another app, and when I try this with TechniCalc, the working space gets squished to the top while the keypad becomes enormous. I also thought the custom keypad layout would solve this, but it just replaces blank spaces with a weird series of dots in the tile. The side bar is massive, the keypad is massive, but the actual calculations themselves are squished against the top of the window. If you’re using matrices, they literally overlap on themselves. If this gets fixed down the line I could love this app and give it another try, but this is so terrible I can’t imagine it has been tested properly on iPad.
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Aalexart78966

Response from developer

If you reach out to me in email with some screenshots of the issues you’re having, I’d love to try and address them. You can use the ‘contact developer’ link in the bottom section of the sidebar, or the menu on iOS

Simply amazing, but could use multi lines of history on the top

Quite a good and versatile calculator. The title describes my biggest gripe. One QOL improvement could be a bit of color coding for grouped buttons.
AArshad1

Response from developer

Thank you! 🤩 I don’t quite follow what your feature suggestion is. Reach out to me via email if you wanted to discuss further - my email is in the app

See 34 more reviews

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User experience

🐞

Reported Bugs

18 issues

Interface scaling issues on iPad (split screen/windowed mode)

Bug

UI elements (keypad, sidebar) become enormous when resized

Bug

Calculations get squished at the top of the window

Bug

Matrices overlap on themselves when resized

Bug

Text too small and light on iPad

Bug

Unit converter is time-consuming to change units

Bug

Matrix dimensions are not always possible (e.g., 3x2)

Bug

Lacks basic matrix functions like reducedRowEchelon

Bug

Complicated to use for some matrix operations

Bug

No real instruction manual, reference section incomplete

Bug

Inconsistencies in signs with decimal numbers (magnitude correct, sign always positive)

Bug

Some calculations can be slow after currency update

Bug

Real and imaginary breakout functions have strange behavior

Bug

Window size cannot be changed on macOS

Bug

Cannot force quit on macOS, requires restart

Bug

Not easily findable on macOS

Bug

No way to leave a second tip for the developer

Bug

Resent not being able to email the developer directly

Bug
✨

Requested Features

15 requests

Functionality on Apple Watch

Feature

Option to change divide sign to /

Feature

Multi-line history on the top

Feature

Color coding for grouped buttons

Feature

More interface customization

Feature

Option to color the background of calculator buttons

Feature

Widget for quick access

Feature

Favorites menu for unit conversions

Feature

Syncing of saved equations and settings across devices

Feature

Easier way to solve for a parameter in an equation without initial guesses

Feature

Export operations as LaTeX

Feature

Decimal to mixed number form conversion

Feature

Unlock different background colors/themes and app icons

Feature

Adjust font size to be bolder and larger on iPad

Feature

Improved functionality in low light and outside

Feature

FAQ

What does TechniCalc Calculator do?

TechniCalc is a powerful calculator app designed for scientific and engineering calculations. It features a modern interface that allows for natural equation entry and supports a wide range of advanced mathematical functions, including trigonometry, logarithms, vectors, matrices, and complex numbers. It also includes helpful tools like a formula book, unit converter, and equation solvers.

What are the key features of TechniCalc Calculator?

Key features include natural equation entry, an advanced math engine, a comprehensive formula book, unit and currency converters, statistics mode, and various equation solvers for quadratic, cubic, and linear systems. It also supports dark mode, split screen, and wireless keyboards, and runs on iPhone, iPad, and macOS with an Apple Watch companion.

How much does TechniCalc Calculator cost?

The app is free to download and use with in-app purchases. This means the core functionality is available for free, but certain advanced features or content may require a purchase to unlock.

What devices is TechniCalc Calculator compatible with?

TechniCalc is designed to run on a variety of Apple devices. This includes iPhone, iPad, and macOS. Additionally, there is a companion app available for Apple Watch, allowing for calculations on the go.

Who would benefit from using TechniCalc Calculator?

This app is ideal for students studying science, technology, engineering, and mathematics (STEM) fields, as well as professional engineers and scientists who need a reliable and feature-rich calculator. Its advanced capabilities also make it suitable for programmers and anyone dealing with complex mathematical operations.