bcRPN vs RoboScore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 +
RoboScore
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RoboScore is a customizable score calculator for robotics competitions like FLL. What differentiates RoboScore from other scoring apps is that you can define your own calculator with the task ordered like you solve them, or mission descriptions you actually understand. You can even create a calculator for off-season challenges you came up with on your own!
Screenshots
Verdict
The clearest difference is update cadence: RoboScore at every 2 months against bcRPN's every 22 months. On price, ads, in-app purchases and device support 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 ships an update every 22 months, RoboScore every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | bcRPN | RoboScore |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 22 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 0 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Wilkins | Yuri Honegger |
In-app purchases
bcRPN
No in-app purchases
RoboScore
No in-app purchases
