iCalculator vs Customizable calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCalculator
This app offers a powerful and intuitive calculator experience, featuring both basic and scientific functions. It calculates results instantly as you type and allows for easy editing and history management. Customize your experience with themes and integrate it seamlessly as a keyboard or Today Widget.
- Instant calculation without '=' button
- Basic & Scientific Calculator
- Fraction & Expression Calculator
- History List with iCloud sync
- Customizable themes
- Keyboard extension for any app
- Today Widget support
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Award-winning calculator app for iPad and iPhone with no ads. Designed with simplicity, usability, and beauty in mind! Join millions of users by downloading iCalculator on your iPhone, or iPad. [QUICK START] * There is no "=" button in this calculator app. It will calculate and show the result as soon as the expression is updated. If you need the next calculation, please click "CE" button; if you want to edit the calculation, please click "Del" button. * Swipe up/down to hide/show the history records. * Swipe left and right to hide/show the scientific/math functions. [How to add a keyboard calculator] 1. Go to Settings > General > Keyboard. 2. Tap Keyboards, then do any of the following: Add a keyboard: Tap Add New Keyboard, then choose "iCalculator" from the list. 3. When the screen changes, touch "iCalculator" and "Allow full access". [How to add the Today Widget] 1. In Today View, scroll to the bottom. You should find an Edit button. Tap it. 2. A new Add Widgets screen appears with a list of widgets. There are two lists here. The first lists the active widgets in your Today View. Scroll down until you see the More Widgets section, which is the widgets not in your Today View. 3. Find the widget "iCalculator". Tap the “+” icon. The widget will move to the bottom of the list of active widgets above the More Widgets section. [FEATURES] • No push, no news, no ads, 6.5MB, booting under one second. * Basic & Scientific Calculator * Fraction & Expression Calculator * Calculate and show results instantly when the input is updated. * History List: all Calculations are Saved and can be Copied and Forwarded; hide and open with one simple click * Quick Equation Preview: Your current Equation is displayed below the result * Basic Calculation Buttons in Portrait view * Advanced Mathematical/Scientific Buttons in Landscape view * Equations are automatically saved to the History list, which syncs with iCloud. * Use the fraction key to do coherent fractional math. Calculate fractions: add, subtract, divide and multiply. * Full support for iPad Split Screen multi-tasking. * Install the iCaculator keyboard so you can calculate a question in any app. Tap the "Insert" button, and the answer is inserted in the text field. * Made a mistake? Tap the current equation to enter edit mode, where you can select characters, insert and delete. * Apply 16 beautiful themes, including new entrants Candy, Mint, Lava, and a “bright themes” set. * Use the Theme Creator to make your own bright and beautiful color scheme. Purchase service: ##Services support the developer by keep working on it and adding new features. If you do not subscribe to the service, it does not affect any features. ##The service is valid for one month and will be automatically renewed upon expiration ##Account will be charged for renewal within 24-hours before the end of the current period, and identify the cost of the renewal ##Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Privacy Policy and Terms: http://www.ledego.com/apps/icalculator/privacy.html
Customizable calculator
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“A Fun and Versatile Calculator App!” Make your daily calculations more enjoyable and convenient! From a simple, easy-to-use calculator to unique customizable themes, this app lets you calculate in your own style. Key Features Simple and Intuitive Basics Enjoy hassle-free basic operations like number entry, arithmetic calculations, and enhanced features like tax calculations and memo storage. Customizable Themes to Suit Your Mood Piano Calculator: Play Do-Re-Mi while you calculate and have fun creating melodies! Cat Calculator: Cute meows accompany every button press for a soothing experience. Cute Design Calculator: Bright and cheerful designs to keep your mood up. Sleek Calculator: A modern, minimal look perfect for business scenarios. More Unique Themes: Discover a variety of exciting styles! Enhanced Functionality for Efficiency Memo Feature: Save up to two results directly as notes for future reference. Tax Calculator: Easily calculate taxes with one tap. Switch between tax-inclusive and tax-exclusive views seamlessly. Clear Button: Reset or delete entries with ease. Exciting Updates Ahead! Regularly adding new themes and designs based on user feedback to make this app even more enjoyable and practical. Perfect for Those Who: Want a simple yet powerful calculator. Appreciate stylish designs and extra features. Wish to turn routine calculations into delightful moments. Download now and make your calculation time more fun and productive!
Screenshots
Verdict
The clearest difference is price: Customizable calculator at Free against iCalculator's $1.99. Customizable calculator also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 9 days). iCalculator's advantage is ads (none vs shown). On device support and iOS requirement 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
Customizable calculator is free to download; iCalculator costs $1.99 up front. iCalculator sells 1 in-app purchase, starting at $0.49 per month. Customizable calculator asks for nothing beyond the download.
iCalculator ships an update every 9 days, Customizable calculator every 2 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | iCalculator | Customizable calculator |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 76.2% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 202 MB |
| Age rating | 4+ | 4+ |
| Developer | Nan Chao | Hisashi Yoshizawa |
In-app purchases
iCalculator
- Monthly Subscription$0.491 Month
Customizable calculator
No in-app purchases
Questions
Is iCalculator free?
Is Customizable calculator free?
Do iCalculator or Customizable calculator have ads?
Which is updated more often, iCalculator or Customizable calculator?
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