Comparison

TechniCalc Calculator vs 4Sight

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

Head to head
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

About

4Sight

Instantly interpret the world around you with AI. Identify plants, decode signs, understand code, and get homework help. Point your camera for expert-like assistance and discover new knowledge.

Highlights
  • AI-powered visual interpretation
  • Plant deficiency identification
  • Complex sign decoding
  • Code and music explanation
  • Homework assistance
  • On-demand knowledge discovery
Read full description

Say goodbye to endless searching and hello to instant answers. Our app transforms your smartphone into a powerful tool for interpreting the world around you. From identifying plant deficiencies and interpreting complex signs to decoding programming languages and understanding your homework, we've got you covered. Here's what you can do: - Expert-like Assistance: Receive expert guidance in many different fields, whether you're a student, a hobbyist, or a professional. Interpret Complex Signs: Easily make sense of signs and instructions in seconds, no matter the language. - Make Sense of Music, Code, and More: Whether you're a musician or a coder, get instant explanations and insights into your work. - Get Help with Homework: Struggling with school assignments? Get the help you need, even for college-level subjects. - Discover and Learn: Explore and understand the world around you, from the smallest components to the biggest ideas. With a sleek and user-friendly interface, our app is designed to make learning and assistance accessible and enjoyable. Simply point your camera at the object or text you need help with, and let our app do the rest. Download now and experience the future of on-demand knowledge!

Screenshots

TechniCalc Calculator4 screens
4Sight4 screens

Verdict

The call

The clearest difference is price: 4Sight at Free against TechniCalc Calculator's $7.99. 4Sight also leads on in-app purchases (none vs 4) and review sentiment (100% vs 85%). On 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

4Sight is free to download; TechniCalc Calculator costs $7.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases. 4Sight asks for nothing beyond the download.

Scorecard5 real differences · 5 level
TechniCalc Calculator versus 4Sight: the parameters behind the verdict, then further details
ParameterTechniCalc Calculator4Sight
Price$7.99Free — better
Rating4.7 (84 ratings) — better—
Positive reviews84.6% of reviews100.0% of reviews — better
Number of ratings84 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size31 MB30 MB
Age rating4+4+
DeveloperJacob ParkerAnthony Reeves

Customer experience

TechniCalc Calculator

All ratings84 ratings
Positive90.5%
Neutral6.0%
Negative3.6%
Written reviews39 reviews
Positive84.6%
Neutral12.8%
Negative2.6%

4Sight

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

TechniCalc Calculator

Reported bugs

18 issues
  • 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
Show 13 more
  • 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

Requested features

15 requests
  • Functionality on Apple Watch
  • Option to change divide sign to /
  • Multi-line history on the top
  • Color coding for grouped buttons
  • More interface customization
Show 10 more
  • Option to color the background of calculator buttons
  • Widget for quick access
  • Favorites menu for unit conversions
  • Syncing of saved equations and settings across devices
  • Easier way to solve for a parameter in an equation without initial guesses
  • Export operations as LaTeX
  • Decimal to mixed number form conversion
  • Unlock different background colors/themes and app icons
  • Adjust font size to be bolder and larger on iPad
  • Improved functionality in low light and outside

4Sight

Not enough reviews yet to summarise bugs or requests.

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
None

4Sight

No in-app purchases

Questions

Is TechniCalc Calculator free?
TechniCalc Calculator costs $7.99, and also offers in-app purchases.
Is 4Sight free?
4Sight is free to download, with no in-app purchases.
Do TechniCalc Calculator or 4Sight have ads?
Neither TechniCalc Calculator nor 4Sight shows ads.

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