Comparison

MathKey vs TechniCalc Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MathKey

Easily convert handwritten math equations into LaTeX, MathML, or image formats. This app supports Apple Pencil input and offers a remote keyboard feature to paste content directly onto your computer. Customize output colors and choose between light and dark themes.

Highlights
  • Handwriting to LaTeX/MathML conversion
  • Handwriting to image conversion
  • Remote keyboard for computer pasting
  • Customizable output colors
  • Dark and light themes
  • Apple Pencil support
Currently charting
Read full description

● Write the math expression with your finger or Apple Pencil. ● MathKey will convert your handwriting to : - LaTeX/MathML expression for Pages, Numbers, Word and any LaTeX/MathML compatible app. - image for any other app that is compatible with images. ● Remote Keyboard : connect MathKey to your computer via our website and paste generated content right on your computer ! ● Pick any color for both LaTeX, MathML and image output. You can save up to 20 colors. ● When converting to an image, paste it from the pasteboard or, on an iPad, drag-and-drop it. ● MathKey is powered by MyScript © Interactive Ink state-of-the-art technology. ● Dark & Light themes. Important : - An Internet connectivity is mandatory. - Quotas may be imposed in case of abusive use. - Although MyScript © Interactive Ink technology is very reliable, results are not guaranteed. - Apple Pencil works only with compatible iPad. - MathKey is a keyboard.

About

TechniCalc Calculator

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.

Highlights
  • Natural equation entry
  • Advanced math engine
  • Formula book and equations
  • Unit and currency converter
  • Statistics mode
  • Equation solvers
  • Supports multiple Apple devices
Features
Read full description

TechniCalc is every bit functional as it is beautiful. The modern interface that makes a clean break from traditional pocket calculators. Equations are entered in a natural way, adhering to every detail of hand-written maths. The advanced maths engine also makes this the only calculator you'll ever need. ◉ FEATURES ▸ Runs on iPhone, iPad, and macOS - with an Apple Watch companion ▸ Dark mode ▸ Supports split screen and wireless keyboards ▸ Shows the full equation as you type ▸ Basic calculations (+, -, ×, ÷, %) ▸ Brackets ▸ Square and cubic roots ▸ Exponents and logarithms ▸ Trigonometry (sin, cos, tan) ▸ Degrees, radians, and gradians ▸ Constants (pi, e, and over 100 other physical constants) ▸ Formula book and equations ▸ Calculation history ▸ Unit converter ▸ Currency converter ▸ Statistics mode ◉ ADVANCED MATHS ▸ Almost unlimited number sizes - over 1,000,000 factorial ▸ Square roots and logarithms with any base ▸ Factorial, nPr, nCr, and gamma ▸ Hyperbolic trigonometry (sinh, cosh, tanh) ▸ Vectors and matrices ▸ Imaginary and complex numbers ▸ Series sums and products ▸ Numerical integration and differentiation ▸ Binary, octal, and hexadecimal ▸ Programmer mode ◉ EQUATION SOLVERS ▸ Quadratic ▸ Cubic ▸ Systems of 2 and 3 linear equations ▸ Root finder

Screenshots

MathKey4 screens
TechniCalc Calculator4 screens

Verdict

The call

The clearest difference is rating: TechniCalc Calculator at 4.7 against MathKey's 3.9. TechniCalc Calculator also leads on review sentiment (85% vs 48%). MathKey's advantage is in-app purchases (none vs 4) and price ($4.99 vs $7.99). On update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

MathKey costs $4.99 and TechniCalc Calculator $7.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases. MathKey asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TechniCalc Calculator holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 337 and 83 respectively. Written reviews point the same way: 48% of MathKey's written reviews are positive against 85% of TechniCalc Calculator's.

UpkeepUpdate frequency

MathKey ships an update every 2 weeks, TechniCalc Calculator monthly. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard8 real differences · 3 level
MathKey versus TechniCalc Calculator: the parameters behind the verdict, then further details
ParameterMathKeyTechniCalc Calculator
Price$4.99 — better$7.99
Rating3.9 (337 ratings)4.7 (83 ratings) — better
Positive reviews47.8% of reviews84.6% of reviews — better
Number of ratings337 — better83
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#182 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS14.0 — better17.0
Further details — not scored
Size18 MB31 MB
Age rating4+4+
DeveloperNicolas DalbardJacob Parker

Customer experience

MathKey

All ratings337 ratings
Positive71.5%
Neutral5.6%
Negative22.8%
Written reviews245 reviews
Positive47.8%
Neutral10.6%
Negative41.6%

TechniCalc Calculator

All ratings83 ratings
Positive90.4%
Neutral6.0%
Negative3.6%
Written reviews39 reviews
Positive84.6%
Neutral12.8%
Negative2.6%

Bugs and requests

MathKey

Reported bugs

5 issues
  • Keeps asking to check internet connection even with good connection
  • Crashes when used with iPad Pro keyboard cover
  • Doesn't work on iPhone, only iPad
  • Doesn't recognize cursive writing well
  • Generates incorrect output for some equations

Requested features

5 requests
  • Add shortcut or button to quickly type $$ or \mk
  • Allow editing of generated LaTeX code
  • Provide larger preview of handwritten equations
  • Add support for matrices and other advanced math notation
  • Integrate with computational engines like Wolfram Alpha

TechniCalc Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MathKey

No in-app purchases

4 purchases

TechniCalc Calculator

One-time4
  • Every Little Helps$0.99
  • Coffee-Sized Tip$2.99
  • Lunch-Sized Tip$4.99
Show 1 more
  • Pizza-Sized Tip$9.99

Questions

Is MathKey free?
MathKey costs $4.99, with no in-app purchases.
Is TechniCalc Calculator free?
TechniCalc Calculator costs $7.99, and also offers in-app purchases.
Which has better reviews, MathKey or TechniCalc Calculator?
TechniCalc Calculator is rated higher. MathKey averages 3.9 out of 5 from 337 ratings, while TechniCalc Calculator averages 4.7 from 83 ratings.
Do MathKey or TechniCalc Calculator have ads?
Neither MathKey nor TechniCalc Calculator shows ads.
Which is updated more often, MathKey or TechniCalc Calculator?
MathKey ships an update every 2 weeks, and TechniCalc Calculator monthly. Most recently, MathKey was updated on October 13, 2026 and TechniCalc Calculator on October 15, 2026.

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