Simple Calculator vs Multi
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
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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.
Multi
Perform multiple calculations simultaneously in a single application. Seamlessly switch between different tabs for various operations. Designed for ease of use with a clean interface, it handles everything from simple math to totaling shopping lists.
- Multiple calculator tabs
- Seamless tab switching
- Optimized for casual use
- Clean and simple design
- Everyday calculation support
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Experience a new and convenient way to use multiple calculators in one app with this simple and user-friendly application. This app allows you to perform calculations while seamlessly switching between multiple tabs. Features: - Easily switch between multiple calculators with simple operations: Conduct different calculations simultaneously across various tabs. - Optimized for casual use: We have eliminated unnecessary features, focusing on an intuitive and casual user experience. - Clean design: Enjoy stress-free calculations with a simple and beautiful design that reduces eye strain. - From everyday simple calculations to totaling your shopping list, effortlessly perform a wide range of calculations. Go ahead, experience simple and efficient calculations!
Screenshots
Verdict
The clearest difference is review sentiment: Multi at 75% against Simple Calculator's 22%. Multi also leads on ads (none vs shown) and monetization model (free vs ad-supported). Simple Calculator's advantage is rating (4.9 vs 4.3). On price, ratings volume, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Simple Calculator holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 28 and 18 respectively. Written reviews complicate that: 22% of Simple Calculator's written reviews are positive against 75% of Multi's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly monthly. Both last shipped on October 25, 2026.
| Parameter | Simple Calculator | Multi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (28 ratings) — better | 4.3 (18 ratings) |
| Positive reviews | 22.2% of reviews | 75.0% of reviews — better |
| Number of ratings | 28 — better | 18 |
| Update frequency | Monthly | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Takao Ichimura | Naoyuki Rikiji |
Customer experience
Simple Calculator
Multi
In-app purchases
Simple Calculator
No in-app purchases
Multi
No in-app purchases









