Calculator Smart vs 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!
Calculator ×
This app redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.
- Tape Log for calculation history
- Reuse, copy, and share calculations
- Evaluate entire formulas at once
- iPad multitasking support
- Modern touch-screen design
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Designed exclusively for today's touch-screen devices, this calculator app represents a groundbreaking paradigm shift, leaving behind the outdated design patterns of mechanical calculators. We have meticulously crafted a new design from scratch, keeping modern touch-screen devices at the forefront of our innovation. • Tape Log: All your calculations are securely stored in the tape log, ensuring you never lose track of your numerical journey. • Calculation Management: Effortlessly reuse, copy, or share calculations to integrate them seamlessly into your work or daily life. • Formula Evaluation: Enter entire formulas in one line for swift and accurate evaluation, simplifying complex calculations. • iPad Multitasking: Experience true productivity with iPad multitasking support, enabling you to perform calculations while using other apps through Slide Over and Split View. Calculator Pro represents a powerful departure from traditional calculators, offering a tailored experience for touch-screen devices. Download now and embrace a new era of calculations with maximum control and power at your fingertips. Terms of Use: https://doubleuapp.com/privacy/terms.html
Screenshots
Verdict
The clearest difference is review sentiment: Calculator × at 73% against Calculator Smart's 36%. Calculator Smart's advantage is rating (4.7 vs 4.5) and device support (6 vs 3). 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. Calculator Smart sells 3 one-off in-app purchases and Calculator × sells 4 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.
Calculator Smart holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 494 and 143 respectively. Written reviews complicate that: 36% of Calculator Smart's written reviews are positive against 73% of Calculator ×'s, so the app with the better star average is not the one people write more warmly about.
Calculator Smart ships an update every 4 months, Calculator × every 2 months. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.
| Parameter | Calculator Smart | Calculator × |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (494 ratings) — better | 4.5 (143 ratings) |
| Positive reviews | 36.4% of reviews | 73.3% of reviews — better |
| Number of ratings | 494 — better | 143 |
| Update frequency | Every 4 months | Every 2 months — 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 — better | 13.6 |
| Further details — not scored | ||
| Size | 24 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Miroslav Otsedarski | DOUBLE U s.r.o. |
Customer experience
Calculator Smart
Calculator ×
In-app purchases
Calculator Smart
- Colorful Skins and Remove Ads$1.99
- Colorful Skins$1.99
- Colorful Skins for Mac app$1.99
Calculator ×
- Premium Yearly$4.991 Year
- Remove ads$4.99
- Remove ads$7.99
- Remove ads$11.99
Questions
Is Calculator Smart free?
Is Calculator × free?
Which has better reviews, Calculator Smart or Calculator ×?
Do Calculator Smart or Calculator × have ads?
Which is updated more often, Calculator Smart or Calculator ×?
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