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. Privacy Policy: https://calculator-app-free.com/privacy-policy/ Terms of Use: https://calculator-app-free.com/terms-of-use/

About

Calculator

A clean and accurate calculator for iPhone and iPad that prioritizes user experience with no ads or pop-ups. It offers essential math functions, a history log, a unit converter, and an optional scientific mode. Premium features include additional themes and history export.

Highlights
  • Ad-free experience
  • Full expression view
  • Automatic calculation history
  • Unit converter
  • Scientific mode
  • Dark Mode support
Features
Read full description

A calculator that gets out of your way. No ads, no pop-ups, no account. Just clean, accurate math on iPhone and iPad. WHY PEOPLE SWITCH Most free calculators interrupt you with video ads, upgrade screens and rating pop-ups. Calculator: Simple & Clean never does. Open it and start typing. MATH YOU CAN TRUST • Correct order of operations, so 2 + 3 × 4 = 14 • See the full expression as you type, with a live result • Smart percent, sign toggle and decimal formatting • Repeat the last operation by tapping equals again • Safe handling of divide by zero HISTORY THAT STAYS • Every calculation is saved automatically • Tap any past result to use it again • Swipe to delete single entries or clear it all SCIENTIFIC MODE • Rotate to landscape or tap the toggle for scientific functions • sin, cos, tan, logs, powers, roots, factorial, pi and e • Degrees and radians UNIT CONVERTER Convert length, weight, temperature, volume, area, speed, time and data in one tap. FAST, FORGIVING INPUT • Backspace key, or swipe the display to delete the last digit • Long press to copy a result, paste numbers straight in • Gentle haptic feedback on every key • Large, easy to hit buttons DESIGNED FOR YOU • Beautiful themes, with full Dark Mode support • Works on iPhone and iPad, in portrait and landscape PRIVATE BY DESIGN No ads. No account. No tracking. Your numbers and calculations never leave your device. Works fully offline. PREMIUM (OPTIONAL) The calculator, history, scientific mode and unit converter are free forever. Premium adds: • Extra themes • Alternate app icons • Search and export your history Premium is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sebastiandoyle.github.io/simple-calculator-ios/privacy-policy.html

Screenshots

Basic Calculator4 screens
Calculator4 screens

Verdict

The call

The clearest difference is rating: Basic Calculator at 4.8 against Calculator's 1.0. Basic Calculator also leads on ratings volume (3.3K vs 1) and iOS requirement (15.0 vs 17.0). Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, monetization model and device support 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 1.0. That said, the two scores are not equally well evidenced: Basic Calculator has 3.3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Basic Calculator ships an update every 2 months, Calculator every 3 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Basic Calculator versus Calculator: the parameters behind the verdict, then further details
ParameterBasic CalculatorCalculator
PriceFreeFree
Rating4.8 (3.3K ratings) — better1.0 (1 ratings)
Positive reviews76.1% of reviews—
Number of ratings3.3K — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size100 MB11 MB
Age rating4+4+
DeveloperMobArtsSebastian Doyle

Customer experience

Basic Calculator

All ratings3,260 ratings
Positive95.9%
Neutral2.5%
Negative1.7%
Written reviews88 reviews
Positive76.1%
Neutral1.1%
Negative22.7%

Calculator

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Basic Calculator

One-time1
  • Remove Ads: Math & Percentage$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 3.3K ratings, while Calculator averages 1.0 from 1 ratings.
Do Basic Calculator or Calculator have ads?
Basic Calculator shows ads; Calculator does not.
Which is updated more often, Basic Calculator or Calculator?
Basic Calculator ships an update every 2 months, and Calculator every 3 days. Most recently, Basic Calculator was updated on November 6, 2026 and Calculator on October 30, 2026.

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