Simple Calculator vs Calculator CIassic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Familiar operation system
- Calculation history
- Calculation formula display
- Copy and paste functionality
- Percentage calculations
- Supports period or comma decimal separators
Read full descriptionHide 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.
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.
- Display log for calculations
- Backspace key for corrections
- Decimal point and comma support
- Easy-to-use interface
- Suitable for students and professionals
Read full descriptionHide 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
Verdict
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
Both are free to download. Calculator CIassic sells 1 one-off in-app purchase. Simple Calculator asks for nothing beyond the download.
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.
Simple Calculator ships an update monthly, Calculator CIassic weekly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Simple Calculator | Calculator CIassic |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (28 ratings) | 4.9 (12 ratings) — better |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 28 — better | 12 |
| Update frequency | Monthly | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Takao Ichimura | Edison Largo |
Customer experience
Simple Calculator
Calculator CIassic
In-app purchases
Simple Calculator
No in-app purchases
Calculator CIassic
- Remove Ads$3.99
Questions
Is Simple Calculator free?
Is Calculator CIassic free?
Which has better reviews, Simple Calculator or Calculator CIassic?
Do Simple Calculator or Calculator CIassic have ads?
Which is updated more often, Simple Calculator or Calculator CIassic?
Other comparisons















