Comparison

PuchCalc vs ReadableCalc

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

Head to head
About

PuchCalc

Features
Read full description

<Fashionable function> You can choose the design from 13 themes. You can also change the shape and font of the buttons, expanding the range of designs. <Convenient for shopping> Just add them in the order of purchase, and the total amount will be displayed in the history. ・In parentheses are tax-included ・When automatic recalculation is on, the calculation history can be recalculated.  Even if you add it by mistake, it will be automatically recalculated by deleting the wrong line. ・Consumption tax calculation is also displayed automatically. <Calculation history function> The calculation remains as a history and can be reconfirmed after the calculation. The calculation history can be shared externally, and can be sent to e-mail, Twitter, etc. Features) ・Fashionable function:You can choose the overall design, button shape and font. ・Calculation history function:The calculation remains as a calculation history. ・Calculation history sharing function:The calculation history can be sent to an external compatible app. ・Compatible with iPad ・Language support:It is displayed in the supported languages according to the set languages of Japanese, English, and iOS. *Advertisement will be displayed. *Advertisement non-display PuchCalc Pro is also available, please use it.

About

ReadableCalc

Features
Read full description

ReadableCalc is a calculator app that displays large numbers—like 3 trillion 500 billion—in readable units. It’s designed to make extremely large numbers more intuitive at a glance. Main Features • Supports four basic operations (+, −, ×, ÷) • Displays results in English numeric units for easy readability • Handles decimals and negative numbers • DEL button for deleting one character at a time (Long press to clear the entire expression) • Long press on expressions or results to copy • Tap on the “readable” result to toggle display between: • Short scale / Long scale / Kanji numerals Additional features in landscape mode: • “00”, “000”, and “0000” buttons for quickly adding zeros • “x²” and “x³” buttons for quick exponentiation Note: • Numbers exceeding 200 digits may be rounded due to calculation and display limitations. Please be cautious if you need high precision. • Short scale and Long scale support numbers up to 10^198. • Kanji numeral display supports up to 10^72. Larger numbers are shown in Arabic numerals instead.

Screenshots

PuchCalc4 screens
ReadableCalc3 screens

Verdict

The call

The clearest difference is ads: ReadableCalc at none against PuchCalc's shown. ReadableCalc also leads on update cadence (weekly vs monthly) and iOS requirement (12.0 vs 14.1). 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.

UpkeepUpdate frequency

PuchCalc ships an update monthly, ReadableCalc weekly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level
PuchCalc versus ReadableCalc: the parameters behind the verdict, then further details
ParameterPuchCalcReadableCalc
PriceFreeFree
Update frequencyMonthlyWeekly — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.112.0 — better
Further details — not scored
Size5 MB28 MB
Age rating4+4+
DeveloperJutaro KimuraYONAGARE LAB

In-app purchases

None

PuchCalc

No in-app purchases

None

ReadableCalc

No in-app purchases

Questions

Is PuchCalc free?
PuchCalc is free to download, with no in-app purchases.
Is ReadableCalc free?
ReadableCalc is free to download, with no in-app purchases.
Do PuchCalc or ReadableCalc have ads?
PuchCalc shows ads; ReadableCalc does not.
Which is updated more often, PuchCalc or ReadableCalc?
PuchCalc ships an update monthly, and ReadableCalc weekly. Most recently, PuchCalc was updated on October 2, 2026 and ReadableCalc on October 7, 2026.

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