# Halcyon Calc Lite vs bcRPN

Halcyon Calc Lite and bcRPN both sit at 4.7 stars, but that hides the real split: 80% of bcRPN's written reviews are positive against 43% of Halcyon Calc Lite's. bcRPN also leads on in-app purchases (none vs 3) and ads (none vs shown). Halcyon Calc Lite's advantage is update cadence (every 3 months vs every 22 months) and ratings volume (15 vs 4). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Halcyon Calc Lite sells 3 one-off in-app purchases. bcRPN asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Halcyon Calc Lite against 4.8 for bcRPN. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews are what separate them: 43% of Halcyon Calc Lite's written reviews are positive against 80% of bcRPN's.

Halcyon Calc Lite ships an update every 3 months, bcRPN every 22 months. The most recent releases landed on August 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Halcyon Calc Lite | bcRPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/halcyon-calc-lite/id408004888/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/bcrpn/id1614744829/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 42.9% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 22 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 0 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Halcyon Touch Software](https://appshunter.io/developer/327064662) | [Paul Wilkins](https://appshunter.io/developer/1614739840) |

## What reviewers say

### Halcyon Calc Lite

[App page](https://appshunter.io/ios/app/halcyon-calc-lite/id408004888)

This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.

**Highlights:** Symbolic expression manipulation, Graphing of expressions, Matrix and vector calculations, Statistical analysis, Multiple number formats (decimal, hex, octal, binary), Over 225 built-in operations

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Directory And Unit Conversion Support | $0.99 | one-time |
| Programming Support | $1.99 | one-time |
| Larger Display Upgrade | $1.99 | one-time |


### 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 Halcyon Calc Lite free?

Halcyon Calc Lite is free to download, with in-app purchases available.

### Is bcRPN free?

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

### Which has better reviews, Halcyon Calc Lite or bcRPN?

bcRPN is rated higher. Halcyon Calc Lite averages 4.7 out of 5 from 15 ratings, while bcRPN averages 4.8 from 4 ratings.

### Do Halcyon Calc Lite or bcRPN have ads?

Halcyon Calc Lite shows ads; bcRPN does not.

### Which is updated more often, Halcyon Calc Lite or bcRPN?

Halcyon Calc Lite ships an update every 3 months, and bcRPN every 22 months. Most recently, Halcyon Calc Lite was updated on August 29, 2026 and bcRPN on September 19, 2026.

---

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