Comparison

Basic Calculator vs Calculator 4.0

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 user-friendly calculator app offering a clean interface with large buttons and customizable themes. It supports basic arithmetic, memory functions, and large number displays, with options to remove ads.

Highlights
  • Large buttons and clear numbers
  • 12-17 customizable skins/themes
  • Basic arithmetic, percentages, square root
  • Memory keys (M+, M-, MR, MC)
  • Large number mode (up to 60 digits)
  • Copy and paste functionality
  • Ad removal via in-app purchase
Read full description

Big buttons, clear numbers and a look for every taste – a calculator that is simply pleasant to use, every day. Pick a design you like: 12 skins on iPhone and 17 on iPad – classic, minimal, dark, colorful, space, kids and more. FEATURES - Add, subtract, multiply, divide, percentages and square root - Memory keys: M+, M−, MR, MC - Large numbers mode: up to 60 digits, never shown in scientific notation - Optional thousands separators for easier reading - Backspace, CE and ± keys for quick corrections - Copy and Paste buttons - Memory and the last result are kept even after you close the app - Key click sound (can be turned off) - iPad: portrait and landscape, works side by side with other apps - Remove ads with a one-time in-app purchase The interface is available in 24 languages: English, Bulgarian, Chinese (Simplified and Traditional), Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovak, Spanish, Swedish and Turkish. Privacy Policy: https://calculator-app-free.com/privacy-policy/ Terms of Use: https://calculator-app-free.com/terms-of-use/

About

Calculator 4.0

Perform daily calculations with a clean interface and large buttons. Features include decimal support, a calculation log, and two themes. Regular updates ensure continuous improvement and new functionalities.

Highlights
  • Intuitive interface with large buttons
  • Backspace key for corrections
  • Decimal point or comma support
  • Calculation display log
  • Two customizable themes
  • Regular updates with new features
Features
Read full description

Do the math with Calculator 4.0. Our calculator app features a sleek and intuitive interface, with large buttons and a clear display for easy input and output. Plus, with the backspace key you can correct or change numbers. Other features of our calculator app include support for decimal point or decimal comma, a display log for your calculation, and two themes to choose from!. And with regular updates and new features being added all the time, our calculator app is always improving and getting even better. Download our calculator app today and experience the ultimate in calculation convenience and accuracy!

Screenshots

Basic Calculator4 screens
Calculator 4.02 screens

Verdict

The call

The clearest difference is ratings volume: Basic Calculator at 3.3K against Calculator 4.0's 54. Calculator 4.0's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Basic Calculator sells 1 one-off in-app purchase and Calculator 4.0 sells 1 one-off in-app purchase. 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 4.8 for Calculator 4.0. That said, the two scores are not equally well evidenced: Basic Calculator has 3.3K ratings behind it against 54, so its average is the more settled of the two.

UpkeepUpdate frequency

Basic Calculator ships an update every 2 months, Calculator 4.0 fortnightly. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Basic Calculator versus Calculator 4.0: the parameters behind the verdict, then further details
ParameterBasic CalculatorCalculator 4.0
PriceFreeFree
Rating4.8 (3.3K ratings) — better4.8 (54 ratings)
Positive reviews76.1% of reviews—
Number of ratings3.3K — better54
Update frequencyEvery 2 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size102 MB65 MB
Age rating4+4+
DeveloperMobArtsEdison Largo

Customer experience

Basic Calculator

All ratings3,262 ratings
Positive95.9%
Neutral2.5%
Negative1.7%
Written reviews88 reviews
Positive76.1%
Neutral1.1%
Negative22.7%

Calculator 4.0

All ratings53 ratings
Positive94.3%
Neutral5.7%
Negative0.0%

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 4.0

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Basic Calculator

One-time1
  • Remove Ads: Math & Percentage$0.99
1 purchases

Calculator 4.0

One-time1
  • Remove Ads$5.99

Questions

Is Basic Calculator free?
Basic Calculator is free to download, with in-app purchases available.
Is Calculator 4.0 free?
Calculator 4.0 is free to download, with in-app purchases available.
Which has better reviews, Basic Calculator or Calculator 4.0?
Basic Calculator is rated higher. Basic Calculator averages 4.8 out of 5 from 3.3K ratings, while Calculator 4.0 averages 4.8 from 54 ratings.
Do Basic Calculator or Calculator 4.0 have ads?
Both Basic Calculator and Calculator 4.0 show ads.
Which is updated more often, Basic Calculator or Calculator 4.0?
Basic Calculator ships an update every 2 months, and Calculator 4.0 fortnightly. Most recently, Basic Calculator was updated on November 10, 2026 and Calculator 4.0 on November 3, 2026.

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