Calculator Smart vs The Simple Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Smart
This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.
- 30+ scientific operations
- Degrees and Radians support
- Parentheses and nested equations
- Intuitive input with slide-to-delete
- Copy & Paste results
- Apple Watch app and Lock Screen Widget
- Colorful skins and custom icons
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Calculator Smart is the most powerful and precise calculator for iPhone, iPad, and Apple Watch — built for everyday math and advanced scientific computations alike. Whether you need a quick percentage or a complex nested equation with parentheses, Calculator Smart handles it all with a clean, modern interface and lightning-fast big buttons. Scientific & Standard Modes • 30+ scientific operations including trigonometry, logarithms, and more • Degrees and Radians support • Parentheses and nested parentheses for complex equations • Output in Decimal or Scientific Notation (mantissa/exponent) Intuitive Input • Slide to delete wrong digits instantly • Double-tap or long-press to Copy & Paste results • Full External Keyboard support (Bluetooth & Smart Keyboard) • Three-digit grouping with locale-specific decimal and thousands separators Cross-Platform & Widgets • Apple Watch app with Complication shortcuts • Lock Screen Widget — calculate without unlocking your device • Messages Extension — share results directly in conversations • Multitasking: Slide Over and Split View (iPad) Personalization • Colorful skins to match your style • Custom App Icons that match your chosen skin • Button sound feedback for a satisfying tactile feel Universal Purchase — buy once, use on all your Apple devices. Download Calculator Smart for FREE today!
The Simple Calculator
This app offers a straightforward way to perform everyday calculations, including basic arithmetic, roots, percentages, and geometric formulas for common shapes. It supports fractions and offers convenient features like dark mode and copy-paste functionality.
- Basic arithmetic operations
- Roots and percentages
- Geometric calculations for shapes
- Fraction support
- Portrait and landscape modes
- Dark mode
- Copy and paste results
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A simple calculator that can be used in your everyday life. THE SIMPLE CALCULATOR FEATURES: - Portrait and Landscape Mode. - Dark Mode. - Split View. - Copy Results: Press and hold on the number to copy and paste elsewhere. THE SIMPLE CALCULATOR SUPPORTS: - Basic mathematical operations: • Addition, Subtraction, Division, Multiplication. • Power of Two, Power of Three, Square Root, Cubic Root. • Percentages, Inverse Function. - Geometrical applications of everyday shapes: • Square Perimeter, Square Area, Square Diagonal, Cube Volume. • Circle Perimeter, Circle Area, Sphere Surface Area, Sphere Volume, Pi. • Triangle Perimeter, Triangle Area. - Fractions: • Mixed and improper fractions. • WE LOVE FEEDBACK • As always, your feedback is appreciated. Please keep sharing your experience by contacting us through our website, at: www.skottydeveloper.com Enjoying The Simple Calculator? Please show us some love by giving a 5 star review, so we can keep updating with great new features.
Screenshots
Verdict
Calculator Smart and The Simple Calculator both sit at 4.7 stars, but that hides the real split: 77% of The Simple Calculator's written reviews are positive against 36% of Calculator Smart's. The Simple Calculator also leads on update cadence (weekly vs every 4 months). Calculator Smart's advantage is device support (6 vs 3). 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
Both are free to download. Calculator Smart sells 3 one-off in-app purchases and The Simple Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Calculator Smart against 4.6 for The Simple Calculator. Both are backed by a comparable volume of ratings — 498 and 190 respectively. Written reviews are what separate them: 36% of Calculator Smart's written reviews are positive against 77% of The Simple Calculator's.
Calculator Smart ships an update every 4 months, The Simple Calculator weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Calculator Smart | The Simple Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (498 ratings) — better | 4.6 (190 ratings) |
| Positive reviews | 36.4% of reviews | 76.9% of reviews — better |
| Number of ratings | 498 — better | 190 |
| Update frequency | Every 4 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac, Apple TV, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Miroslav Otsedarski | Andreas Skotadis |
Customer experience
Calculator Smart
The Simple Calculator
In-app purchases
Calculator Smart
- Colorful Skins and Remove Ads$1.99
- Colorful Skins$1.99
- Colorful Skins for Mac app$1.99
The Simple Calculator
- Remove Ads$0.99
Questions
Is Calculator Smart free?
Is The Simple Calculator free?
Which has better reviews, Calculator Smart or The Simple Calculator?
Do Calculator Smart or The Simple Calculator have ads?
Which is updated more often, Calculator Smart or The Simple Calculator?
Other comparisons
