Comparison

Kalc 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

Kalc

This utility app offers a unit converter, calculator, and world clock. Its user-friendly interface is designed for quick access to everyday calculations and conversions.

Highlights
  • Unit converter
  • Calculator
  • World clock
  • Simple UI
  • Quick results
Features
Read full description

Unit Converter, Calculator, and World Clock. The simple & clean UI to get the results you need for everyday use as quickly as possible.

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

Kalc4 screens
Usagi Calc1 screens

Verdict

The call

Kalc and Usagi Calc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Kalc versus Usagi Calc: the parameters behind the verdict, then further details
ParameterKalcUsagi Calc
PriceFreeFree
Rating4.7 (3 ratings) — better—
Positive reviews96.2% of reviews—
Number of ratings3 — better—
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.413.0 — better
Further details — not scored
Size24 MB21 MB
Age rating4+4+
DeveloperYUTA OKAJIMATakashi Kuwahara

In-app purchases

None

Kalc

No in-app purchases

None

Usagi Calc

No in-app purchases

Questions

Is Kalc free?
Kalc 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 Kalc or Usagi Calc have ads?
Neither Kalc nor Usagi Calc shows ads.

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