Calculator vs Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
Perform essential math operations like addition, subtraction, multiplication, and division without any interruptions. Save your calculations with custom titles for easy retrieval and reuse.
- Basic arithmetic operations
- Ad-free experience
- Save calculations with titles
- Reuse saved calculations
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Perfect for doing basic math tasks, such as addition, subtraction, multiplication and division. Does not contain ads to avoid distraction during calculation. You can add a title to your calculations and save them, and reuse them whenever you need.
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.
Screenshots
Verdict
The clearest difference is rating: Smart at 3.0 against Calculator's 2.0. Calculator's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). On price, review sentiment, ratings volume 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.
Smart holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Calculator ships an update every 2 weeks, Smart every 5 weeks. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.
| Parameter | Calculator | Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 3.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 23 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Ozhan Gorkem | Shreyaskumar Patel |
Customer experience
Calculator
Smart
In-app purchases
Calculator
No in-app purchases
Smart
No in-app purchases
