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+

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Highlights
  • Basic four functions
  • Clear display
  • Large buttons
  • Portrait and landscape modes
  • iPad compatible
Features
Read full description

This simple calculator with a clear display and large buttons makes calculations easy. Portrait and landscape modes both available on iPad. This app uses the basic functions of the calculator to make the simplest, best, free calculator in the app store.

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 Calculator+2 screens
X123 Calculator with memory4 screens

Verdict

The call

The clearest difference is in-app purchases: Basic Calculator+ at none against X123 Calculator with memory's 1. Basic Calculator+ also leads on ratings volume (243K vs 1) and iOS requirement (10.0 vs 13.4). X123 Calculator with memory's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, rating, 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. X123 Calculator with memory sells 1 one-off in-app purchase. Basic Calculator+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Basic Calculator+ against 5.0 for X123 Calculator with memory. That said, the two scores are not equally well evidenced: Basic Calculator+ has 243K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 87% of Basic Calculator+'s written reviews are positive against 100% of X123 Calculator with memory's.

UpkeepUpdate frequency

Basic Calculator+ ships an update every 4 months, X123 Calculator with memory fortnightly. The most recent releases landed on September 29, 2026 and June 1, 2026 respectively.

Scorecard6 real differences · 4 level
Basic Calculator+ versus X123 Calculator with memory: the parameters behind the verdict, then further details
ParameterBasic Calculator+X123 Calculator with memory
PriceFreeFree
Rating4.9 (243K ratings)5.0 (1 ratings) — better
Positive reviews87.4% of reviews100.0% of reviews — better
Number of ratings243K — better1
Update frequencyEvery 4 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS10.0 — better13.4
Further details — not scored
Size44 MB20 MB
Age rating4+4+
DeveloperBest Free AppsBotto Ingenierie Informatique

Customer experience

Basic Calculator+

All ratings242,697 ratings
Positive97.6%
Neutral1.8%
Negative0.6%
Written reviews541 reviews
Positive87.4%
Neutral1.5%
Negative11.1%

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
  • Incorrect calculation results
  • Ads covering the screen

Requested features

3 requests
  • Add fraction button
  • Implement order of operations
  • Include memory function

X123 Calculator with memory

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Basic Calculator+

No in-app purchases

1 purchases

X123 Calculator with memory

One-time1
  • Ads removal$3.99

Questions

Is Basic Calculator+ free?
Basic Calculator+ is free to download, with no in-app purchases.
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 4.9 out of 5 from 243K ratings, while X123 Calculator with memory averages 5.0 from 1 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 4 months, and X123 Calculator with memory fortnightly. Most recently, Basic Calculator+ was updated on September 29, 2026 and X123 Calculator with memory on June 1, 2026.

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