Comparison

KumamonCalc vs CAL_

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

Head to head
About

KumamonCalc

A straightforward calculator featuring the popular Kumamon character. It supports basic arithmetic, percentage calculations, and memory functions. Users can customize themes and toggle sound effects.

Highlights
  • Basic arithmetic operations
  • Percentage calculation
  • Memory function
  • Customizable themes
  • Sound ON/OFF option
  • 12-digit input support
Features
Read full description

Simple calculator famous character in Japan " Kumamon " appeared ! Corresponds to the percentage calculation arithmetic , % , it is equipped with a memory function . It is a computer that does not correspond to the function operation . It is a calculator of the calculation Kumamon addition, subtraction , multiplication , division , percentages , can be . ※ Kumamon calculator is free , but you can hide the ads by purchasing the extension plug-in . [ Main function ] - Input the number of digits to 12 digits - Support for iPad - Can change the theme Settings Sound : ON / OFF Theme : black / white / red / yellow / blue / green © 2010 kumamoto pref. Kumamon #13492

About

CAL_

Features
Read full description

CAL_ is the next evolution of calculators. Made especially for iPhone, it brings the venerable calculator to an all-new level. LOG FEATURE All of your calculations are logged, so you can refer to them at any time. Use the ANS key to bring up the most recent result from the log. You can toggle commas and decimal points, and also use a guide that shows you when your units are in the millions, billions, and beyond. CURRENCY CONVERSIONS Get real-time currency rates for up to three currencies at once. You can also see a graph of currency value fluctuations. UNIT CONVERSIONS Want to know how many Tokyo Domes there are to an acre? Or how many lbs make up a stone? It's right at your fingertips in CAL_.

Screenshots

KumamonCalc1 screens
CAL_3 screens

Verdict

The call

The clearest difference is in-app purchases: CAL_ at none against KumamonCalc's 1. CAL_ also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. KumamonCalc sells 1 one-off in-app purchase. CAL_ asks for nothing beyond the download.

UpkeepUpdate frequency

KumamonCalc ships an update every 3 months, CAL_ every 4 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
KumamonCalc versus CAL_: the parameters behind the verdict, then further details
ParameterKumamonCalcCAL_
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size50 MB9 MB
Age rating4+4+
Developerwoodsmall inc.SQUAIR Inc.

In-app purchases

1 purchases

KumamonCalc

One-time1
  • Advertising hide$4.99
None

CAL_

No in-app purchases

Questions

Is KumamonCalc free?
KumamonCalc is free to download, with in-app purchases available.
Is CAL_ free?
CAL_ is free to download, with no in-app purchases.
Do KumamonCalc or CAL_ have ads?
KumamonCalc shows ads; CAL_ does not.
Which is updated more often, KumamonCalc or CAL_?
KumamonCalc ships an update every 3 months, and CAL_ every 4 days. Most recently, KumamonCalc was updated on November 1, 2026 and CAL_ on October 29, 2026.

Other comparisons