Adam's Calc vs CalcKX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Adam's Calc
A utility calculator that adds memory functionality to standard calculations. Designed to make your device's calculator more helpful by remembering previous results.
- Memory function for calculations
- Enhanced utility calculator
- Intuitive design
- Remembers previous results
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Adam's Calc is a utility calculator designed by rdConcepts. This design is intended to help make the standard calculator more useful by building some "memory" into the device. Inspiration -> Donald Norman.
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!
Screenshots
Verdict
The clearest difference is in-app purchases: CalcKX at none against Adam's Calc's 1. CalcKX also leads on ads (none vs shown) and update cadence (every 4 days vs every 4 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
Both are free to download. Adam's Calc sells 1 one-off in-app purchase. CalcKX asks for nothing beyond the download.
Adam's Calc ships an update every 4 months, CalcKX every 4 days. The most recent releases landed on September 7, 2026 and September 13, 2026 respectively.
| Parameter | Adam's Calc | CalcKX |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | RD Concepts | Martin Kowollik |
In-app purchases
Adam's Calc
- Remove Advertising$2.99
CalcKX
No in-app purchases
