Calculator Smart vs Calculisy
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!
Calculisy
A free, ad-free calculator designed for ease of use on iPhone, iPad, and Mac. Features large keys suitable for all ages and multitasking compatibility for iPad users.
- Universal calculator
- Free and ad-free
- Large keys for easy use
- Multitasking compatible (iPadOS)
- macOS Big Sur and newer compatible
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A universal, free, ad-free, easy-to-use calculator for your iPhone and iPad. With its large keys it's easy to use and suitable for children and seniors. Multitasking compatible you can use it alongside another app on iPadOS. Also compatible with macOS Big Sur and newer Macs with M1 & M2 chip.
Screenshots
Verdict
Calculator Smart and Calculisy both sit at 4.7 stars, but that hides the real split: 84% of Calculisy's written reviews are positive against 36% of Calculator Smart's. Calculisy also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). Calculator Smart's advantage is ratings volume (494 vs 41) and device support (6 vs 4). On price, rating, in-app purchases and monetization model 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 Calculisy sells 3 one-off in-app purchases. 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 4.8 for Calculisy. That said, the two scores are not equally well evidenced: Calculator Smart has 494 ratings behind it against 41, so its average is the more settled of the two. Written reviews are what separate them: 36% of Calculator Smart's written reviews are positive against 84% of Calculisy's.
Calculator Smart ships an update every 4 months, Calculisy every 2 weeks. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.
| Parameter | Calculator Smart | Calculisy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (494 ratings) | 4.8 (41 ratings) — better |
| Positive reviews | 36.4% of reviews | 84.0% of reviews — better |
| Number of ratings | 494 — better | 41 |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| 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, Mac |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 24 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Miroslav Otsedarski | ICI Solutions |
Customer experience
Calculator Smart
Calculisy
Bugs and requests
Calculator Smart
Not enough reviews yet to summarise bugs or requests.
Calculisy
Reported bugs
3 issues- Enter key on number pad doesn't work
- Freezes or crashes at times
- Issues with percent calculations
Requested features
4 requests- Add a backspace/delete function
- Include a calculation history or tape
- Allow resizing and customization
- Make the Enter key on number pad work
In-app purchases
Calculator Smart
- Colorful Skins and Remove Ads$1.99
- Colorful Skins$1.99
- Colorful Skins for Mac app$1.99
Calculisy
- Small Tip$0.99
- Medium Tip$1.99
- Big Tip$3.99
Questions
Is Calculator Smart free?
Is Calculisy free?
Which has better reviews, Calculator Smart or Calculisy?
Do Calculator Smart or Calculisy have ads?
Which is updated more often, Calculator Smart or Calculisy?
Other comparisons
