Comparison

Calculator Smart vs Calculator basic

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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!

About

Calculator basic

Personalize your calculation experience with customizable buttons, wallpapers, and themes. Adjust layouts for portrait and landscape modes on your devices for optimal viewing and ease of use.

Highlights
  • Customizable button positions and functions
  • Set custom wallpapers and background colors
  • Adjustable button shapes, sizes, and dimensions
  • Multiple calculation methods and rounding modes
  • Free adjustment of character and background colors
  • History log with overwrite or add options
Features
Read full description

Calculator Basic can change the position and the function of the button and set the wallpaper background freely, not to mention the color and the shape. The screen layout will change automatically according to the portrait or landscape mode on your iPad and iPhone and the big buttons fitted to the size and mode of display are easy to view for the user. Let's create your own calculator suitable for your tastes by using abundant setting well. FEATURES : Calculation : - Two Calculation method: functional or sequential - Three rounding mode: rounding , up or cut - Number of digits after the decimal point: free , zero , one , two , three or four - Angle unit: degree or radian Appearance : - Color or Wallpaper: Set the wallpaper with a photograph or a camera, or select a background color - Number Format: Select a digit grouping and decimal point from among the 8 types including India format - Sound of buttons : Select the button sound from nine timbres or turn off Result: - Character color: Freely set color by the slider - Background color: Freely set color and opacity by the slider - Expression color: Freely set color or hide by the slider Button : - Shape: Square , Round Square , Circle , Diamond , Heart or Cogwheel - Size: Large , Medium or Small - Dimensions: Flat , Solid or Outline - Character color: Freely set color by the slider - Background color: Freely set color and opacity by the slider - Position: The position of buttons are freely changed - Function button : Three function buttons can be changed, thease button is include Grand total, Rand, Sine,1/x, Route, etc... History : - Equals: Over write last result or Add the result the history - Vertical (portrait) mode: Indication Left , Hidden or Indication Right - Horizontal (landscape) mode: Indication place Left or Right - character color: Freely set color by the slider - background color: Freely set color and opacity by the slider - Expression color: Freely set color or hide by the slider SUPPORTS : Non retina and Retina display on iPhone, iPad and iPod Touch. iPhone 4 to 8 Plus, iPhone SE and iPhone X, iPad 2 to iPad Pro and iPad mini to iPad mini 4 , iPod touch 3gen and later. iOS 8.0 and later. There is also a paid version without ads.

Screenshots

Calculator Smart4 screens
Calculator basic4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator basic at 100% against Calculator Smart's 36%. Calculator basic also leads on in-app purchases (none vs 3) and ads (none vs shown). Calculator Smart's advantage is ratings volume (494 vs 2) and device support (6 vs 3). On price and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator Smart sells 3 one-off in-app purchases. Calculator basic asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator basic holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calculator Smart has 494 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 36% of Calculator Smart's written reviews are positive against 100% of Calculator basic's.

UpkeepUpdate frequency

Calculator Smart ships an update every 4 months, Calculator basic every 3 months. The most recent releases landed on September 12, 2026 and June 2, 2026 respectively.

Scorecard8 real differences · 2 level
Calculator Smart versus Calculator basic: the parameters behind the verdict, then further details
ParameterCalculator SmartCalculator basic
PriceFreeFree
Rating4.7 (494 ratings)5.0 (2 ratings) — better
Positive reviews36.4% of reviews100.0% of reviews — better
Number of ratings494 — better2
Update frequencyEvery 4 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.08.0 — better
Further details — not scored
Size24 MB6 MB
Age rating4+4+
DeveloperMiroslav OtsedarskiKenichi Yoshikawa

Customer experience

Calculator Smart

All ratings494 ratings
Positive93.1%
Neutral1.2%
Negative5.7%
Written reviews22 reviews
Positive36.4%
Neutral27.3%
Negative36.4%

Calculator basic

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Calculator Smart

One-time3
  • Colorful Skins and Remove Ads$1.99
  • Colorful Skins$1.99
  • Colorful Skins for Mac app$1.99
None

Calculator basic

No in-app purchases

Questions

Is Calculator Smart free?
Calculator Smart is free to download, with in-app purchases available.
Is Calculator basic free?
Calculator basic is free to download, with no in-app purchases.
Which has better reviews, Calculator Smart or Calculator basic?
Calculator basic is rated higher. Calculator Smart averages 4.7 out of 5 from 494 ratings, while Calculator basic averages 5.0 from 2 ratings.
Do Calculator Smart or Calculator basic have ads?
Calculator Smart shows ads; Calculator basic does not.
Which is updated more often, Calculator Smart or Calculator basic?
Calculator Smart ships an update every 4 months, and Calculator basic every 3 months. Most recently, Calculator Smart was updated on September 12, 2026 and Calculator basic on June 2, 2026.

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