Comparison

iBigCalc vs Usagi Calc

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

Head to head
About

iBigCalc

Features
Read full description

Elevate your daily calculations with the Simple and Smart Calculator. Designed for those who value efficiency and clarity, our app provides a seamless experience for all your mathematical needs. Whether you’re a student, professional, or just need to split a bill, our intuitive interface ensures you get accurate results instantly without any unnecessary clutter. Key Features: + Clean UI: A minimalist design that stays out of your way. + Smart History: Easily track and reuse your previous calculations. + Precision & Speed: Fast processing for both basic and complex math. Simple to use, smart in performance. Download now and make math effortless!

About

Usagi Calc

Features
Read full description

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

iBigCalc4 screens
Usagi Calc1 screens

Verdict

The call

The clearest difference is ads: Usagi Calc at none against iBigCalc's shown. Usagi Calc also leads on iOS requirement (13.0 vs 17). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
iBigCalc versus Usagi Calc: the parameters behind the verdict, then further details
ParameteriBigCalcUsagi Calc
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1713.0 — better
Further details — not scored
Size5 MB21 MB
Age rating4+4+
DeveloperManh Phi NguyenTakashi Kuwahara

In-app purchases

None

iBigCalc

No in-app purchases

None

Usagi Calc

No in-app purchases

Questions

Is iBigCalc free?
iBigCalc is free to download, with no in-app purchases.
Is Usagi Calc free?
Usagi Calc is free to download, with no in-app purchases.
Do iBigCalc or Usagi Calc have ads?
iBigCalc shows ads; Usagi Calc does not.

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