Comparison

Scientific Calculator & Units vs Calculator

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

Head to head
About

Scientific Calculator & Units

This app offers advanced scientific calculations, unit conversions, and AI-powered math problem solving. It includes everyday calculators, currency conversion, and detailed step-by-step solutions for various math subjects. Most features work offline for convenience.

Highlights
  • AI Math Solver with step-by-step solutions
  • Advanced Scientific Calculator
  • Extensive Unit Converter
  • Currency Converter with live rates
  • Everyday Calculators (EMI, BMI, etc.)
  • History and Memory functions
Features
Read full description

Scientific Calculator & Unit Converter The all-in-one calculator app for students, engineers, professionals, and everyday use. Perform advanced calculations, solve math problems with AI, convert units, and use powerful everyday calculators in one fast, accurate, and easy-to-use app. Why Choose Scientific Calculator & Unit Converter? Scientific Calculator & Unit Converter combines everything you need in a single app. It is designed for speed, accuracy, and simplicity, with most features working completely offline. Whether you're solving homework, engineering calculations, financial problems, or everyday conversions, this app helps you get results quickly. AI Math Solver Solve math problems with advanced AI. Snap a photo of any math problem or type it manually. Receive detailed step-by-step solutions instantly. Solve arithmetic, algebra, geometry, trigonometry, calculus, and more. Powered by advanced AI technology to help you learn and understand every solution. Scientific Calculator Perform arithmetic, fractions, trigonometry, logarithms, exponents, powers, roots, and other advanced scientific calculations with precision. Unit Converter Convert between hundreds of units across multiple categories, including length, weight, temperature, area, volume, speed, pressure, power, energy, angle, frequency, data storage, force, density, and many more. Currency Converter Convert currencies using the latest available exchange rates for fast and reliable international conversions. Advanced Math Tools Solve linear, quadratic, and cubic equations, systems of equations, polynomial roots, and polynomial factorization. Calculate derivatives, partial derivatives, integrals, and limits. Perform matrix addition, subtraction, multiplication, determinant, inverse, and transpose operations. Calculate mean, median, mode, variance, standard deviation, linear regression, and correlation. Use number theory tools including GCD, LCM, prime checking, prime factorization, Fibonacci sequence, permutations, combinations, and modulo calculations. Work with complex numbers including addition, subtraction, multiplication, division, modulus, conjugate, and polar-to-rectangular conversions. Everyday Calculators Calculate percentages, discounts, tips, fuel costs, price per unit, EMI, age, date differences, time duration, BMI, and ideal sleep schedules. Size Converters Convert shoe sizes between Convert ring sizes between History and Memory Automatically save every calculation for future reference. Use memory functions including Memory Plus (M+), Memory Minus (M−), Memory Recall (MR), Memory Clear (MC), Last Answer (ANS), and one-tap clipboard copy. Fast and Reliable Most features work completely offline. Lightweight and optimized for fast performance. Accurate results for education, engineering, finance, and everyday use. Clean interface with minimal ads and no unnecessary distractions. Regular updates with new calculators and improvements. AI Math Solver Premium Unlock unlimited access to AI-powered math solving and advanced features. Weekly Plan: $4.99 Monthly Plan: $9.99 Yearly Plan: $59.99 The Yearly plan includes a 3-day free trial for eligible new subscribers. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current subscription period. You can manage or cancel your subscription anytime through your App Store account settings. Download Scientific Calculator & Unit Converter today and enjoy a complete calculator, AI math solver, unit converter, and everyday calculation toolkit in one powerful app. privacypolicy:https://sites.google.com/view/smartcalc-units-sleep/home terms&condition:https://sites.google.com/view/smartcalc-units-sleep/termscondition

About

Calculator

This app transforms complex mathematical formulas into interactive computational graphs, allowing users to visualize and understand the logic behind calculations. It offers both scientific and boolean logic modes, with real-time editing capabilities for "what-if" analysis.

Highlights
  • Visualize math as node-based graphs
  • Interactive graph editing
  • Scientific calculator mode
  • Boolean logic solver
  • Save and load expressions
  • Customizable themes
Read full description

Unleash the power of visual computation with Calculator - Visual Math, the revolutionary tool that shows you how your expressions are solved. Go beyond just getting an answer—understand the logic behind it. Perfect for students, engineers, developers, and anyone curious about mathematics, our app transforms complex formulas into beautiful, interactive computational graphs. Key Features: VISUALIZE YOUR MATH: Stop guessing! Enter any formula and instantly see it as a clear node-based graph. Understand the structure and flow of your calculations for algebra, calculus, and more. INTERACTIVE GRAPH EDITING: Don't just look—interact! Tap directly on any variable node in the graph to edit its value on the fly. The entire graph and the final result update in real-time, making it perfect for "what-if" analysis. DUAL-MODE POWER: Arithmetic Mode: A full-featured scientific calculator with functions like sin, cos, log, powers (^), and roots. Boolean Mode: A complete logic solver for evaluating complex expressions with AND, OR, NOT, XOR, and other logical operators. An essential tool for computer science. CLEAN & FOCUSED: A modern, intuitive interface designed for productivity. Switch between light, dark, and other themes to fit your style. SAVE & LOAD EXPRESSIONS: Build a library of your most-used formulas and expressions. Save your work and load it back anytime from your history. Whether you're a student trying to ace an exam, an engineer modeling a system, or a developer debugging an algorithm, Calculator - Visual Math is the tool you've been missing. Download now and start seeing math in a new way!

Screenshots

Scientific Calculator & Units4 screens
Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Calculator at daily against Scientific Calculator & Units's weekly. On price, rating, ratings volume and ads 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

Both are free to download. Scientific Calculator & Units sells 2 in-app purchases, starting at $1.99 per month and Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Scientific Calculator & Units against 5.0 for Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Scientific Calculator & Units ships an update weekly, Calculator daily. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 8 level
Scientific Calculator & Units versus Calculator: the parameters behind the verdict, then further details
ParameterScientific Calculator & UnitsCalculator
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyWeeklyDaily — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.012.0 — better
Further details — not scored
Size60 MB140 MB
Age rating4+4+
DeveloperMoses JuliusVladislav Alikov

In-app purchases

2 purchases

Scientific Calculator & Units

Subscriptions2
  • scientific calculator -Monthly$1.991 Month
  • scientific calculator -yearly$14.991 Year
1 purchases

Calculator

One-time1
  • Support the App and remove Ads$1.99

Questions

Is Scientific Calculator & Units free?
Scientific Calculator & Units is free to download, with in-app purchases available.
Is Calculator free?
Calculator is free to download, with in-app purchases available.
Which has better reviews, Scientific Calculator & Units or Calculator?
Scientific Calculator & Units and Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Scientific Calculator & Units or Calculator have ads?
Both Scientific Calculator & Units and Calculator show ads.
Which is updated more often, Scientific Calculator & Units or Calculator?
Scientific Calculator & Units ships an update weekly, and Calculator daily. Most recently, Scientific Calculator & Units was updated on October 30, 2026 and Calculator on October 24, 2026.

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