Comparison

Basic Calculator vs Calculator Smart

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

Head to head
About

Basic Calculator

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Highlights
  • Large, easy-to-press buttons
  • Multiple beautiful skins
  • Basic arithmetic operations
  • Standard memory functions
  • Supports large numbers (up to 60 digits)
  • Multitasking support (Split View, Slide Over)
Read full description

Calculator Free is a great free calculator with beautiful HD graphics and multiple skins! Features: - Supports multitasking on iPad devices - Split View and Slide Over features - Multiple beautiful skins - General calculations: adding, subtracting, multiplying, dividing, square-rooting - Standard memory functions: Memory Addition, Memory Subtraction, Memory Recall, Memory Clear - Thousands separators option - Can handle very large numbers - up to 60 digits! (never displays in scientific notation) - Large, easy to press buttons - Copy / Paste buttons - Key click sound effect The user interface is translated in the following languages: English, Spanish, French, Italian, German, Portuguese, Russian, Japanese, Chinese (simplified and traditional), Dutch, Norwegian, Danish, Korean, Turkish, Indonesian, Finnish, Swedish, Greek, Polish, Czech, Hungarian, Slovak, Bulgarian.

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!

Screenshots

Basic Calculator4 screens
Calculator Smart4 screens

Verdict

The call

Basic Calculator and Calculator Smart both sit at 4.8 stars, but that hides the real split: 74% of Basic Calculator's written reviews are positive against 36% of Calculator Smart's. Basic Calculator also leads on ratings volume (3.2K vs 494). Calculator Smart's advantage is device support (6 vs 3) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Basic Calculator sells 1 one-off in-app purchase and Calculator Smart sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Basic Calculator against 4.7 for Calculator Smart. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 494, so its average is the more settled of the two. Written reviews are what separate them: 74% of Basic Calculator's written reviews are positive against 36% of Calculator Smart's.

UpkeepUpdate frequency

Basic Calculator ships an update every 2 months, Calculator Smart every 4 months. The most recent releases landed on September 23, 2026 and September 12, 2026 respectively.

Scorecard4 real differences · 6 level
Basic Calculator versus Calculator Smart: the parameters behind the verdict, then further details
ParameterBasic CalculatorCalculator Smart
PriceFreeFree
Rating4.8 (3.2K ratings) — better4.7 (494 ratings)
Positive reviews74.3% of reviews — better36.4% of reviews
Number of ratings3.2K — better494
Update frequencyEvery 2 months — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Apple TV, Apple Watch — better
Requires iOS15.013.0 — better
Further details — not scored
Size93 MB24 MB
Age rating+44+
DeveloperMobArtsMiroslav Otsedarski

Customer experience

Basic Calculator

All ratings3,192 ratings
Positive96.0%
Neutral2.5%
Negative1.5%
Written reviews70 reviews
Positive74.3%
Neutral1.4%
Negative24.3%

Calculator Smart

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

Bugs and requests

Basic Calculator

Reported bugs

2 issues
  • Crashes or freezes after iOS updates
  • Percent key not functioning correctly

Requested features

3 requests
  • Reinstate iPhone version
  • Add scientific calculator functions
  • Improve memory retention

Calculator Smart

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Basic Calculator

One-time1
  • Banner Ad Removal$0.99
3 purchases

Calculator Smart

One-time3
  • Colorful Skins and Remove Ads$1.99
  • Colorful Skins$1.99
  • Colorful Skins for Mac app$1.99

Questions

Is Basic Calculator free?
Basic Calculator is free to download, with in-app purchases available.
Is Calculator Smart free?
Calculator Smart is free to download, with in-app purchases available.
Which has better reviews, Basic Calculator or Calculator Smart?
Basic Calculator is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while Calculator Smart averages 4.7 from 494 ratings.
Do Basic Calculator or Calculator Smart have ads?
Both Basic Calculator and Calculator Smart show ads.
Which is updated more often, Basic Calculator or Calculator Smart?
Basic Calculator ships an update every 2 months, and Calculator Smart every 4 months. Most recently, Basic Calculator was updated on September 23, 2026 and Calculator Smart on September 12, 2026.

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