Comparison

Basic Calculator vs Calculator⁻

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⁻

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

Highlights
  • Basic arithmetic operations
  • Percentage calculations
  • Record and recall results
  • Customizable colors
  • Touch sound option
Features
Read full description

It is a simple and easy calculator. It is a simple calculator with no complex functions at all. Features: Addition, subtraction, multiplication, division, percent operation Recording and recalling calculation results The numbers, operators, parentheses, results Custom colors Use touch sound Very useful for school children

Screenshots

Basic Calculator4 screens
Calculator⁻4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator⁻ at none against Basic Calculator's 1. Calculator⁻ also leads on iOS requirement (13.0 vs 15.0). Basic Calculator's advantage is rating (4.8 vs 4.4) and review sentiment (74% vs 52%). On price, ratings volume, 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. Calculator⁻ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Basic Calculator holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 3.2K and 3.6K respectively. Written reviews point the same way: 74% of Basic Calculator's written reviews are positive against 52% of Calculator⁻'s.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on September 23, 2026.

Scorecard5 real differences · 5 level
Basic Calculator versus Calculator⁻: the parameters behind the verdict, then further details
ParameterBasic CalculatorCalculator⁻
PriceFreeFree
Rating4.8 (3.2K ratings) — better4.4 (3.6K ratings)
Positive reviews74.3% of reviews — better52.0% of reviews
Number of ratings3.2K3.6K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size93 MB4 MB
Age rating+44+
DeveloperMobArtsUniCom Technology

Customer experience

Basic Calculator

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

Calculator⁻

All ratings3,595 ratings
Positive83.8%
Neutral6.3%
Negative9.9%
Written reviews98 reviews
Positive52.0%
Neutral7.1%
Negative40.8%

User reviews

Basic Calculator

From 3.2K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 💡 Useful copy and paste functions
  • 👍 Clear and large display
  • 👍 Variety of skins/themes
  • 👍 Responsive and fast

Room to improve

  • 🐛 Compatibility issues with iOS updates
  • 🐛 Inaccurate calculations with larger numbers
  • 🔋 Slow load times
  • 🔍 Intrusive ads

Calculator⁻

From 3.6K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Retro design
  • 👍 Simple and straightforward

Room to improve

  • 🐛 Decimal point issues
  • 🐛 Incorrect calculations
  • 🐛 Broken buttons
  • 🔍 Confusing button layout

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⁻

Reported bugs

3 issues
  • Decimal point problem: .5 becomes 5
  • Button that should be 7 shows as 9 and gives 9 when used
  • Percentage button does not work correctly

Requested features

3 requests
  • Backspace button
  • Percentage button that works properly
  • Arrange buttons in standard calculator layout

In-app purchases

1 purchases

Basic Calculator

One-time1
  • Banner Ad Removal$0.99
None

Calculator⁻

No in-app purchases

Questions

Is Basic Calculator free?
Basic Calculator is free to download, with in-app purchases available.
Is Calculator⁻ free?
Calculator⁻ is free to download, with no in-app purchases.
Which has better reviews, Basic Calculator or Calculator⁻?
Basic Calculator is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while Calculator⁻ averages 4.4 from 3.6K ratings.
Do Basic Calculator or Calculator⁻ have ads?
Both Basic Calculator and Calculator⁻ show ads.
Which is updated more often, Basic Calculator or Calculator⁻?
Basic Calculator ships an update every 2 months, and Calculator⁻ every 2 months. Most recently, Basic Calculator was updated on September 23, 2026 and Calculator⁻ on September 23, 2026.

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