iCalculator vs Usagi Calc
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
Usagi Calc
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A simple, easy-to-use standard calculator with a cute white bunny mascot. Perfect for everyday shopping, household budgeting, or quick calculations at work. If you're looking for a no-frills, intuitive calculator without the clutter of unnecessary functions, this app is for you. ◆ Simple Four Operations Focus on the basics: +, -, ×, ÷. No complicated scientific mode — just open the app and start calculating right away. ◆ Easy-to-Read Comma Separators Numbers are automatically formatted with commas (1,234,567) as you type and in the result. Even large numbers are easy to read at a glance. ◆ Automatic Calculation History Past expressions and results stay visible at the top of the screen. Scroll back through previous calculations — no more "wait, what did I just calculate?" moments while doing your budget or expenses. ◆ "00" Button Included Enter two zeros at once with the dedicated "00" button. Crunching big numbers becomes much faster. ◆ Intuitive Function Buttons • ± : Toggle sign • CE : Clear the current entry • C : Reset everything • ⌫ : Backspace one character ◆ Cute White Bunny Design A friendly white bunny sits beside the display, adding a little warmth between calculations. The calm mint-green color palette is easy on the eyes, even after long use. ◆ iPhone & iPad Support Optimized layouts for both your iPhone and iPad. ◆ Light and Snappy A simple design means snappy performance — open it up, do the math, you're done. --- Great For --- • Anyone who wants a simple, standard calculator • People who like to review past calculations • Fans of cute, minimal app design • Users who don't need a scientific calculator — just the basics • Quick math while shopping or tracking expenses ()() ('x') ..wwW..ww.._ ~ Everyday math, made cuter with a bunny ~
Screenshots
Verdict
The clearest difference is price: Usagi Calc at Free against iCalculator's $1.99. Usagi Calc also leads on in-app purchases (none vs 1). On ads, 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
Usagi Calc is free to download; iCalculator costs $1.99 up front. iCalculator sells 1 in-app purchase, starting at $0.49 per month. Usagi Calc asks for nothing beyond the download.
| Parameter | iCalculator | Usagi Calc |
|---|---|---|
| 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 | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Nan Chao | Takashi Kuwahara |
In-app purchases
iCalculator
- Monthly Subscription$0.491 Month
Usagi Calc
No in-app purchases
Questions
Is iCalculator free?
Is Usagi Calc free?
Do iCalculator or Usagi Calc have ads?
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