Comparison

Basic Calculator vs X123 Calculator with memory

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

X123 Calculator with memory

This free calculator app offers basic and scientific functions, memory storage, and time calculations. Customize its appearance and layout for enhanced efficiency in everyday tasks and complex computations.

Highlights
  • Basic and scientific calculations
  • Value memory function
  • Time calculation with NOW key
  • Landscape and dark modes
  • Dual keyboards in landscape
  • Advanced key customization
Features
Read full description

Discover X123 your new calculating companion! Free and super-easy to use, X123 is the ideal calculator for your everyday calculations. Customize it the way you like and discover super-practical features to boost your efficiency like value memory, time calculation and landscape mode. BASIC CALCULATIONS With X123, switch easily from addition, to subtraction, multiplication, and division. Perfect for all your everyday needs! SCIENTIFIC CALCULATOR Find your arithmetic, trigonometric, logarithmic and exponential calculation options accessible at your fingertips. MEMORY FUNCTION Keep your favorite results and values at hand and reuse them at any time to simplify your most complex or frequent calculations. TIME CALCULATION Manage your time calculations with simplicity and insert the current time into your calculations with a simple click of the NOW key. FREE CALCULATOR Take unlimited advantage of all X123's calculation options, an entirely free calculator! LANDSCAPE MODE Switch to horizontal mode for enhanced visual and calculating comfort. DARK MODE Switch from light to dark mode in the blink of an eye and adapt your calculator's display to your preferences or ambient lighting. DUAL KEYBOARDS In landscape mode, display two keyboards simultaneously for double the efficiency! Choose from the options: Basic, Memory, Functions, and Time. ADVANCED CUSTOMIZATION Tailor your calculator: rearrange keys, rename them, choose your rounding, select language and writing standard. Make X123 an integral part of your everyday life. X123, your future essential, whether for work or everyday use!

Screenshots

Basic Calculator4 screens
X123 Calculator with memory4 screens

Verdict

The call

The clearest difference is ads: X123 Calculator with memory at none against Basic Calculator's shown. X123 Calculator with memory also leads on review sentiment (100% vs 76%) and update cadence (fortnightly vs every 2 months). Basic Calculator's advantage is ratings volume (3.2K vs 2). On price, in-app purchases, 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 and X123 Calculator with memory 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

X123 Calculator with memory holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 76% of Basic Calculator's written reviews are positive against 100% of X123 Calculator with memory's.

UpkeepUpdate frequency

Basic Calculator ships an update every 2 months, X123 Calculator with memory fortnightly. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Basic Calculator versus X123 Calculator with memory: the parameters behind the verdict, then further details
ParameterBasic CalculatorX123 Calculator with memory
PriceFreeFree
Rating4.8 (3.2K ratings)5.0 (2 ratings) — better
Positive reviews75.9% of reviews100.0% of reviews — better
Number of ratings3.2K — better2
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size100 MB20 MB
Age rating+44+
DeveloperMobArtsBotto Ingenierie Informatique

Customer experience

Basic Calculator

All ratings3,238 ratings
Positive96.0%
Neutral2.4%
Negative1.6%
Written reviews79 reviews
Positive75.9%
Neutral1.3%
Negative22.8%

X123 Calculator with memory

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
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

X123 Calculator with memory

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

X123 Calculator with memory

One-time1
  • Ads removal$3.99

Questions

Is Basic Calculator free?
Basic Calculator is free to download, with in-app purchases available.
Is X123 Calculator with memory free?
X123 Calculator with memory is free to download, with in-app purchases available.
Which has better reviews, Basic Calculator or X123 Calculator with memory?
X123 Calculator with memory is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while X123 Calculator with memory averages 5.0 from 2 ratings.
Do Basic Calculator or X123 Calculator with memory have ads?
Basic Calculator shows ads; X123 Calculator with memory does not.
Which is updated more often, Basic Calculator or X123 Calculator with memory?
Basic Calculator ships an update every 2 months, and X123 Calculator with memory fortnightly. Most recently, Basic Calculator was updated on October 24, 2026 and X123 Calculator with memory on October 24, 2026.

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