Smart vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart
This utility app offers a comprehensive suite of calculators for everyday financial, health, and date-related needs. It includes tools for loans, investments, taxes, health metrics, and unit conversions, along with a math solver.
- Basic & Scientific Calculations
- Loan & Investment Calculators
- Health & Date Calculators
- Unit & Currency Converters
- GST/Sales Tax/VAT Calculator
- Math Solver
- History & Number to Word Conversion
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Calculators Basic & Scientific calculator GST/Sales Tax/VAT calculator Loan calculator: EMI, Compare Loan, Loan Affordability, Loan Amortization Investment calculator: FD, RD, ROI, SIP, CAGR Percentage calculator, Markup & Margin, Profit & Loss Unit Price calculator : Find cheapest price Health Calculator: BMI, BMR, Body Fat % & Daily Calories burn, Ideal Weight Date Calculator: Age, Duration, ± Date, Days Counter, Time-sheet, Working Days Discount calculator Tip calculator Math solver Converters Unit converter Currency converter Key Features General & Scientific Calculator - Facilitates instant & accurate calculations from simple to complex - Store value for later using memory keys - Track your calculations with History. Write a short note for important calculations - Undo result, quick copy & share - Number to Word conversion - Extra functions on long-press Unit Converter - Simple, smart & elegant tool with more than 200 unit converters that are used in daily life - Supported conversion categories:- Length & Distance, Weight, Area, Volume, Temperature, Cooking, Number Base, Digital Storage, Number Conversion, Data Transfer, Time, Speed, Force, Power, Fuel, Energy, Angle, Density, Acceleration, Frequency, Torque. Currency converter - Foreign exchange rates of 170 countries currency - Available offline GST /Sales Tax/VAT Calculator -Include(+) or Exclude(-) Tax from given amount with single tap. - 5 Pre-provided tax rates can be customized as per your country rates. Interest Calculator -Calculate interest & maturity amount on your saving through Simple Interest, Compound Interest, RD, SIP & Doubling Time. -Check your investment opportunities through ROI Percentage Calculator -Simple percentage, % increase/decrease, % change, what %, fraction to % -Calculate Markup percentage, Margin percentage & total profit based on cost & selling price Health Calculator - BMI, BMR, Body Fat %, Daily Water Intake based on your age, gender, height & weight. Calculate daily calorie requirement as per selected activity level. - Track your weight to improve your BMI and overall health. Date Calculator -Age calculator & Birthday tracking -Duration between two dates/times -Add/Subtract duration to date & calculate final date & time. -Days/Hours Countdown. Never miss your important events Equation Solver - Linear equations with one,two & three variables - Quadratic equation Loan Calculator -Calculate your EMI, total interest & final amount with amortization chart in a easiest way. -Compare two loans to know which one is better for you. -Calculate how much loan you can afford based on your max monthly EMI. Discount Calculator -Calculate or confirm discounts quickly on original price. -Find out how much you save for an item. Tip Calculator -Calculate the tip percentage or tip amount & split the bill among number of persons on table. -Save time when you use the bill splitter, and tip exactly what you mean to, no more, no less. Unit Price Calculator -Compare prices of two or more products having different quantities of same unit & buy cheapest price item.
Calculator
This app combines basic and scientific calculator functions with AI-powered equation recognition via your camera. It offers step-by-step solutions, explanations, and a wide range of financial and utility calculators for everyday use.
- AI camera-based equation recognition
- Step-by-step solution explanations
- Simple and scientific calculator modes
- Financial and utility calculators
- Unit and currency converter
- Calculation history tracking
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Calculator: AI Math Solver Pro is your intelligent mathematics companion powered by advanced artificial intelligence. Combine simple calculator functionality with AI-driven equation recognition and problem solving to tackle equations, calculations, and mathematical challenges effortlessly. CORE FEATURES: Simple Calculator • Basic arithmetic operations (addition, subtraction, multiplication, division) • Clean, intuitive interface for everyday calculations • Fast computation with large number support • Clear display of calculation results • Quick access for simple math needs • Perfect for daily calculations Scientific Calculator • Complete scientific calculator with advanced mathematical functions • Trigonometric functions: sin, cos, tan, inverse functions • Logarithmic calculations: log, ln, natural logarithms • Powers and roots: exponents, square roots • Factorial operations and complex number support • RAD/DEG mode switching for angle calculations • Advanced functions: π, e constant, inverse trigonometry Financial & Utility Calculators • Age calculator with date conversions • Unit converter for all measurement types • Savings calculator for financial planning • SIP calculator for investment calculations • Loan calculator with amortization • Percentage calculations • Currency converter • Discount calculator • Salary calculator • BMI calculator • GST/VAT calculator • Tip calculator Camera-Based Equation Recognition • Point camera at any equation written on paper, whiteboard, or textbook • AI instantly analyzes the image and converts it to equation text format • Recognition confirmation shows the equation it detected • Manual entry fallback: "Enter Manually" option if camera can't read • Works with single and multi-line equations Multiple Input Methods • Simple calculator for quick math • Type equations manually • Use camera to capture and recognize equations • Quick example templates • Manual equation entry option Results & Learning • Clear display of calculation results • Step-by-step solution process • Mathematical explanations • Solution history tracking • Saved calculations reference • Formula simplification shown PERFECT FOR: Students solving homework problems in algebra, geometry, trigonometry, and calculus Professionals performing financial calculations and unit conversions Anyone wanting to understand mathematical concepts deeply Daily utility calculations and financial planning Teachers checking student work CAPABILITIES INCLUDE: • Simple calculator for basic arithmetic • Scientific calculations and trigonometry • Camera-based equation recognition • Step-by-step algebraic solutions • Investment and financial calculations • Unit, currency, and measurement conversions • Body and health calculations (BMI) • Tax calculations (GST/VAT) • Complete calculator in one app Experience mathematics made intelligent. Capture equations with your camera, get instant solutions with detailed explanations through AI recognition. Master complex problems while learning the underlying concepts. Plus, enjoy a simple calculator for everyday arithmetic needs. Download Calculator: AI Math Solver Pro and transform how you solve problems.
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Verdict
The clearest difference is rating: Calculator at 4.9 against Smart's 3.0. Calculator also leads on ratings volume (9 vs 1). Smart's advantage is iOS requirement (14.1 vs 16). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calculator holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Calculator has 9 ratings behind it against 1, so its average is the more settled of the two.
Smart ships an update every 5 weeks, Calculator monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Smart | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 4.9 (9 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 9 — better |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.1 — better | 16 |
| Further details — not scored | ||
| Size | 49 MB | 54 MB |
| Age rating | 17+ | 4+ |
| Developer | Shreyaskumar Patel | Siddharth Siddhapura |
In-app purchases
Smart
No in-app purchases
Calculator
No in-app purchases









