# r.Calc vs bcRPN

The clearest difference is price: bcRPN at Free against r.Calc's $0.99. bcRPN also leads on rating (4.8 vs 4.0) and update cadence (every 22 months vs every 197 months). r.Calc's advantage is review sentiment (100% vs 80%) and iOS requirement (2.2.1 vs 15.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

bcRPN is free to download; r.Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

bcRPN holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 100% of r.Calc's written reviews are positive against 80% of bcRPN's, so the app with the better star average is not the one people write more warmly about.

r.Calc ships an update every 197 months, bcRPN every 22 months. The most recent releases landed on June 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | r.Calc | bcRPN |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/rcalc/id291200623/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/bcrpn/id1614744829/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 197 months | **Every 22 months** |
| Monetization | Paid | **Free** |
| Size | 0 MB | 0 MB |
| Requires iOS | **2.2.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Jorand](https://appshunter.io/developer/291200626) | [Paul Wilkins](https://appshunter.io/developer/1614739840) |

## What reviewers say

### r.Calc

[App page](https://appshunter.io/ios/app/rcalc/id291200623)

A straightforward calculator utilizing Reverse Polish Notation (RPN) for everyday calculations. It offers a four-level visible stack with a total capacity of 100 positions, providing visual feedback on stack fullness. Basic arithmetic operations and stack manipulation functions are included.

**Highlights:** Reverse Polish Notation (RPN) input, Four visible stack levels, 100-position stack capacity, Progress bar for stack fullness, Basic arithmetic operations, Stack swap and recall functions, Vibration feedback for errors

**Features:** macOS Compatibility

**In-app purchases:** none


### bcRPN

[App page](https://appshunter.io/ios/app/bcrpn/id1614744829)

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.

**Highlights:** Reverse Polish Notation (RPN) input, Complex number calculations, Extended precision math, Unlimited stack depth, Undo functionality (up to 10 operations)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is r.Calc free?

r.Calc costs $0.99, with no in-app purchases.

### Is bcRPN free?

bcRPN is free to download, with no in-app purchases.

### Which has better reviews, r.Calc or bcRPN?

bcRPN is rated higher. r.Calc averages 4.0 out of 5 from 3 ratings, while bcRPN averages 4.8 from 4 ratings.

### Do r.Calc or bcRPN have ads?

Neither r.Calc nor bcRPN shows ads.

### Which is updated more often, r.Calc or bcRPN?

r.Calc ships an update every 197 months, and bcRPN every 22 months. Most recently, r.Calc was updated on June 10, 2026 and bcRPN on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*