Comparison

Just A Calc vs PuchCalc

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

Head to head
About

Just A Calc

Features
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This is Just A Calculator, nothing more, nothing less. The calculator will perform addition, subtraction, multiplication, division, percentage calculations, and find the square root. This will allow a maximum 38 digits to the left of the decimal and a maximum of 12 digits to the right of the decimal. This was developed primarily for the iPhone, however it will work on any iOS device.

About

PuchCalc

Features
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<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.

Screenshots

Just A Calc2 screens
PuchCalc4 screens

Verdict

The call

The clearest difference is ads: Just A Calc at none against PuchCalc's shown. Just A Calc also leads on iOS requirement (12.0 vs 14.1). PuchCalc's advantage is update cadence (monthly vs every 38 months). 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

Just A Calc ships an update every 38 months, PuchCalc monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Just A Calc versus PuchCalc: the parameters behind the verdict, then further details
ParameterJust A CalcPuchCalc
PriceFreeFree
Update frequencyEvery 38 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.1
Further details — not scored
Size10 MB5 MB
Age rating4+4+
DeveloperTom DohertyJutaro Kimura

In-app purchases

None

Just A Calc

No in-app purchases

None

PuchCalc

No in-app purchases

Questions

Is Just A Calc free?
Just A Calc is free to download, with no in-app purchases.
Is PuchCalc free?
PuchCalc is free to download, with no in-app purchases.
Do Just A Calc or PuchCalc have ads?
PuchCalc shows ads; Just A Calc does not.
Which is updated more often, Just A Calc or PuchCalc?
Just A Calc ships an update every 38 months, and PuchCalc monthly. Most recently, Just A Calc was updated on October 26, 2026 and PuchCalc on October 25, 2026.

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