goRPN vs bcRPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
goRPN
This app emulates the functionality of the HP-16C calculator using a Reverse Polish Notation (RPN) input method. It is a minimal, open-source utility designed for users familiar with RPN calculators.
- RPN calculator
- HP-16C stack emulation
- Open-source software
- Minimalist design
- Future functionality expansion
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goRPN is an RPN calculator, with a stack modeled on the HP-16C. It is currently quite minimal, but will eventually adopt more of the functionality of the 16C. goRPN is open-source software. If you would like to contribute, get the source at https://www.github.com/joel-perry/goRPN
bcRPN
This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.
- Reverse Polish Notation (RPN) input
- Complex number calculations
- Extended precision math
- Unlimited stack depth
- Undo functionality (up to 10 operations)
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This is a RPN (Reverse Polish Notation) Calculator. It supports complex numbers and uses extended precision math for all operations. The stack depth is unlimited. In case a mistake was made, up to 10 operations can be undone. RPN calculators work by entering the numbers on the stack first, then selecting the operation. For example to add 3 + 4, press: 3 Enter 4 +
Screenshots
Verdict
The clearest difference is rating: bcRPN at 4.8 against goRPN's 3.0. bcRPN also leads on review sentiment (80% vs 50%) and ratings volume (4 vs 1). goRPN's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
bcRPN holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 50% of goRPN's written reviews are positive against 80% of bcRPN's.
| Parameter | goRPN | bcRPN |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 4.8 (4 ratings) — better |
| Positive reviews | 50.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | — | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Joel Perry | Paul Wilkins |
Customer experience
goRPN
bcRPN
In-app purchases
goRPN
No in-app purchases
bcRPN
No in-app purchases







