RPN vs BVCalc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RPN
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The basic four function calculator displays numbers in fixed format. The scientific calculator has 75 built-in functions covering logarithms, powers, roots, trigonometric, date, time, memory operations, statistics, and probabilities and up to four user defined macro functions. It displays numbers in user configurable fixed, scientific, or engineering formats. The user configurable calculator has sixteen user configurable function buttons that can each be assigned two functions from 75 built-in functions and access an unlimited number of user defined macro functions. It displays numbers in user configurable fixed, scientific, or engineering formats. The programmerβs calculator has a hexadecimal keypad and displays numbers in user configurable hexadecimal format. It has four basic mathematics, six bitwise, and two shift functions. All calculators share an operation history display for ease of reviewing computations and extensive in-app help documentation. Numbers can be copied to and pasted from the clipboard for ease of use with other applications.
BVCalc
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Calculate with confidence. BVCalc 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. Why BVCalc β’ Live result as you type, so no need for a β=β key β’ Reuse expressions, not just values β’ Shared tape/stack with readable infix history β’ Switch between Algebraic β RPN mid-calculation β’ Touch-friendly stack gestures (tap to swap/roll) β’ Basic & Scientific keyboards + external keyboard support β’ Long-press to edit any past step; copy/paste everywhere β’ Color-coded parentheses, themes, high-contrast mode β’ Memory for reusable snippets β’ No ads BVCalc makes partial-step workflows fast and reliable: what you see is the math you actually entered.
Screenshots
Verdict
The clearest difference is update cadence: BVCalc at every 5 weeks against RPN's every 7 months. RPN's advantage is iOS requirement (16.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
RPN costs $4.99 and BVCalc $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RPN ships an update every 7 months, BVCalc every 5 weeks. The most recent releases landed on August 2, 2026 and September 20, 2026 respectively.
| Parameter | RPN | BVCalc |
|---|---|---|
| Price | $4.99 | $4.99 |
| Update frequency | Every 7 months | Every 5 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac β better | iPhone, iPad |
| Requires iOS | 16.6 β better | 18.6 |
| Further details β not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Davies | Brian Kenneth Vogel |
In-app purchases
RPN
No in-app purchases
BVCalc
No in-app purchases






