Smart vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart
This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific and geometric computations. Users can customize settings like lighting and sound effects for a personalized experience.
- Basic arithmetic operations
- Advanced scientific calculations
- Complex trigonometric functions
- Geometry calculations for shapes
- Customizable lighting and sound effects
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Smart calculator is an ad free all in one calculator. The app includes various useful features, from a standard calculator to more complex geometry calculations. ** Features 1. Basic calculator: All arithmetic operations 2. Scientific calculator Advanced trigonometric operations Complex arithmetic operations Exponential, Factorial and other advanced operations Geometry All Geometries including their shapes, calculations and formulas Settings You have all the power to customize the app to your liking. You can Adjust: lighting mode sound effect for both calculators and more
Calculator
This app offers a comprehensive suite of calculation tools, including basic arithmetic, memory functions, and a history log. It also features a robust unit converter covering over 20 categories like area, data, and length, along with specialized calculators for discounts and taxes.
- Basic arithmetic operations
- Unit conversion across 20+ categories
- Memory functions
- Calculation history
- Responsive design for phones and tablets
- Discount, percentage, and tax calculators
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CalcSphere & Converter – Your Ultimate Calculators and Unit Converter App • Basic Arithmetic: Perform all the essential operations such as addition, subtraction, multiplication, and division quickly and accurately. The app’s easy-to-use interface ensures a seamless experience. • Large Display: The large and clear display shows both the current input and results for easy readability, helping you stay on track with your calculations. • Memory Functions: Store and recall values with dedicated memory buttons, so you can easily work with intermediate results. • Clear Button: Easily clear the current entry with one tap, making it simple to reset your calculations. • Responsive Design: Whether you’re using a phone or tablet, the app adapts to your screen size for a consistent experience. • History: View previous calculations to keep track of your work. Unit Converter :- The app includes a comprehensive set of converters for over 20 categories, allowing you to convert between a wide variety of units. Here’s a list of the key conversion categories: • Area: Convert between square meters, square feet, hectares, acres, and more. • Data: Convert data storage units like bytes, kilobytes, megabytes, gigabytes, and terabytes. • Energy: Easily convert between joules, calories, kilocalories, electronvolts, and more. • Force: Convert force units like newtons, pounds-force, kilograms-force, and dynes. • Fuel: Convert fuel consumption rates, including miles per gallon (MPG), liters per 100 kilometers (L/100km), and others. • Angles: Convert between degrees, radians, and gradians. • Length: Convert units of length like meters, kilometers, miles, feet, and inches. • Pressure: Convert pressure units such as pascals, bar, psi, and atmospheres. • Speed: Convert speeds between kilometers per hour, miles per hour, meters per second, and more. • Time: Convert between seconds, minutes, hours, days, and weeks, as well as more specialized time units. • Number: Perform number base conversions, such as from binary to decimal, hexadecimal to binary, and more. • Volume: Convert between liters, milliliters, cubic meters, gallons, pints, and more. • Fuel Efficiency Calculator: Monitor your car’s KPL and optimize your fuel usage. • Discount Calculator: Quickly calculate discounts and savings during sales. • Percentage Calculator: Handle percentage calculations effortlessly, from tips to quick math. • Tax Calculator: Calculate taxes on purchases and finances with ease. Upgrade now to enjoy these powerful tools and improve your daily calculations!
Screenshots
Verdict
The clearest difference is ads: Smart at none against Calculator's shown. Smart also leads on monetization model (free vs ad-supported) and iOS requirement (12.4 vs 14.0). Calculator's advantage is update cadence (every 3 months vs every 12 months). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for Smart against 5.0 for Calculator. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Smart ships an update every 12 months, Calculator every 3 months. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.
| Parameter | Smart | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 12 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 11 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Xegai Hadgu | Bansari Sheladiya |
In-app purchases
Smart
No in-app purchases
Calculator
No in-app purchases
Questions
Is Smart free?
Is Calculator free?
Which has better reviews, Smart or Calculator?
Do Smart or Calculator have ads?
Which is updated more often, Smart or Calculator?
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