Comparison

Simple Calculator vs Calculator CIassic

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple Calculator

This utility app offers a straightforward calculator experience with a familiar interface. It includes features like calculation history, formula display, and clipboard support for easy copying and pasting. It also handles percentage calculations and decimal separators.

Highlights
  • Familiar operation system
  • Calculation history
  • Calculation formula display
  • Copy and paste functionality
  • Percentage calculations
  • Supports period or comma decimal separators
Features
Read full description

iCalc is a simple and easy-to-use calculator that uses a familiar operation system. It can be calculated by the same operation as real calculators. (Compliant with calculator of company C) It also has functions unique to the calculator app, such as displaying calculation history and calculation formulas. There is ⓘ button to display the information page that describes instructions. Thank you for using iCalc. (Instructions) The operation for Arithmetic Calculations, Root Calculations, Constant Calculation and Independent Memory Calculation are the same as real general calculators. (Compliant with calculator of company C) The original operations and functions are as follows. - After calculation with the [=] key, the result is displayed on the main display and a white frame is added. - If you tap an operator key instead of [=] key to calculate, the operator turns white, indicating that you are preparing for the next calculation. - The calculation formula is displayed below the main display. - Flipping the main display while inputting, the minimum digit of the displayed input value will be erased one by one. - Flipping the MR display for independent memory to erase the value in independent memory. - Call the calculation history with [< Prev] key. Repeat tapping to call older history. If you called a calculation history that was too old, you can use [Next >] key to return to newer history. - Tapping [C] key to erase the entered value. And [C] key changes to [AC] key. - Tapping [MR] key to enter the value of the independent memory. And [MR] key changes to [MC] key. - [Copy] and [Paste] keys for clipboard. - Percent Calculations What is 25% of 100? [1] [00] [×] [2] [5] [%] → 50 25% of what number is 100? [1] [00] [÷] [2] [5] [%] → 400 What is 100 increased by 25%?   [1] [00] [+] [2] [5] [%] → 125 What is 100 decreased by 25%?   [1] [00] [−] [2] [5] [%] → 75 - Can be used in environments where either a period or a comma is used as the decimal separator. (Others) - The calculation range is −999,999,999,999 ~ 999,999,999,999. - The maximum number of digits is 12. - The developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this app.

About

Calculator CIassic

A straightforward and user-friendly calculator app designed for quick calculations. It features a display log for tracking calculations, a backspace key for corrections, and supports both decimal points and commas.

Highlights
  • Display log for calculations
  • Backspace key for corrections
  • Decimal point and comma support
  • Easy-to-use interface
  • Suitable for students and professionals
Features
Read full description

The ultimate basic calculator app - simple, easy-to-use, and packed with features to help you get the job done. Our calculator is designed with you in mind, whether you're a student, a professional, or just need to do some quick calculations. We've also included a a display log for your calculation and result, a backspace key for correcting or changing numbers, and support for decimal point or decimal comma Download our calculator app today and see for yourself why it's the must-have tool for anyone who needs to do quick calculations on the go.

Screenshots

Simple Calculator4 screens
Calculator CIassic4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Calculator at none against Calculator CIassic's 1. Calculator CIassic's advantage is update cadence (weekly vs monthly) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume 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. Calculator CIassic sells 1 one-off in-app purchase. Simple 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 Simple Calculator against 4.9 for Calculator CIassic. Both are backed by a comparable volume of ratings — 28 and 12 respectively.

UpkeepUpdate frequency

Simple Calculator ships an update monthly, Calculator CIassic weekly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Simple Calculator versus Calculator CIassic: the parameters behind the verdict, then further details
ParameterSimple CalculatorCalculator CIassic
PriceFreeFree
Rating4.9 (28 ratings)4.9 (12 ratings) — better
Positive reviews22.2% of reviews—
Number of ratings28 — better12
Update frequencyMonthlyWeekly — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size10 MB62 MB
Age rating4+4+
DeveloperTakao IchimuraEdison Largo

Customer experience

Simple Calculator

All ratings28 ratings
Positive96.4%
Neutral3.6%
Negative0.0%
Written reviews9 reviews
Positive22.2%
Neutral11.1%
Negative66.7%

Calculator CIassic

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Simple Calculator

No in-app purchases

1 purchases

Calculator CIassic

One-time1
  • Remove Ads$3.99

Questions

Is Simple Calculator free?
Simple Calculator is free to download, with no in-app purchases.
Is Calculator CIassic free?
Calculator CIassic is free to download, with in-app purchases available.
Which has better reviews, Simple Calculator or Calculator CIassic?
Calculator CIassic is rated higher. Simple Calculator averages 4.9 out of 5 from 28 ratings, while Calculator CIassic averages 4.9 from 12 ratings.
Do Simple Calculator or Calculator CIassic have ads?
Both Simple Calculator and Calculator CIassic show ads.
Which is updated more often, Simple Calculator or Calculator CIassic?
Simple Calculator ships an update monthly, and Calculator CIassic weekly. Most recently, Simple Calculator was updated on November 7, 2026 and Calculator CIassic on November 3, 2026.

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