CalcKX vs Calculator with 12 button
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalcKX
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FREE - NO ADVERTISING An easy to use basic calculator for iPhone and iPad with separate display area for calculations. Special gimmick: have fun while looking for Easter Eggs!
Calculator with 12 button
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A calculator with a (12) button that allows for fast typing
Screenshots
Verdict
The clearest difference is ads: CalcKX at none against Calculator with 12 button's shown. CalcKX also leads on update cadence (every 4 days vs every 2 months) and device support (3 vs 1). On price and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CalcKX ships an update every 4 days, Calculator with 12 button every 2 months. Both last shipped on October 25, 2026.
| Parameter | CalcKX | Calculator with 12 button |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Kowollik | Hideaki Uchikoshi |
In-app purchases
CalcKX
No in-app purchases
Calculator with 12 button
No in-app purchases
Questions
Is CalcKX free?
Is Calculator with 12 button free?
Do CalcKX or Calculator with 12 button have ads?
Which is updated more often, CalcKX or Calculator with 12 button?
Other comparisons
