CalcKX vs BVCalc Lite
Price, ratings, monetisation and update history for both apps, side by side ā 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!
BVCalc Lite
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Calculate with confidence. BVCalc Lite combines live-updating algebraic entry with an RPN stack that shows the full expression behind every value. Reuse past work with a tap, switch modes anytime, and audit every step. Upgrade to BVCalc to unlock ⢠Unlimited history tape & memory (Lite supports up to 2 items in memory and 4 calculations in the history tape) ⢠Additional color theme & settings ⢠No helper popups on scientific keys ⢠Full external-keyboard letter shortcuts Core features in Lite ⢠Live result as you type ā no ā=ā key ⢠Reuse expressions from the tape/stack, not just values ⢠Shared tape/stack with readable infix history ⢠Switch between Algebraic ā RPN mid-calculation ⢠Touch-friendly stack gestures (tap to swap/roll) ⢠Basic & Scientific keyboards; copy/paste; edit history ⢠Color-coded parentheses, themes, high-contrast mode ⢠Memory for reusable snippets ⢠No ads BVCalc Lite makes partial-step workflows fast and reliable: what you see is the math you actually entered.
Screenshots
Verdict
The clearest difference is update cadence: CalcKX at every 4 days against BVCalc Lite's every 5 weeks. CalcKX also leads on iOS requirement (14.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· 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, BVCalc Lite every 5 weeks. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.
| Parameter | CalcKX | BVCalc Lite |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days ā better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 14.1 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Kowollik | Brian Kenneth Vogel |
In-app purchases
CalcKX
No in-app purchases
BVCalc Lite
No in-app purchases









