# bcRPN vs Calculator for Complex Field

The clearest difference is update cadence: Calculator for Complex Field at fortnightly against bcRPN's every 22 months. Calculator for Complex Field also leads on review sentiment (100% vs 80%) and rating (5.0 vs 4.8). bcRPN's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator for Complex Field holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 80% of bcRPN's written reviews are positive against 100% of Calculator for Complex Field's.

bcRPN ships an update every 22 months, Calculator for Complex Field fortnightly. The most recent releases landed on September 19, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | bcRPN | Calculator for Complex Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/bcrpn/id1614744829/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 0 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Wilkins](https://appshunter.io/developer/1614739840) | [Jongseung Park](https://appshunter.io/developer/1745560101) |

## What reviewers say

### 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


### Calculator for Complex Field

[App page](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794)

Input natural math expressions and get instant results on a separate line, allowing for easy revisions. Save up to 20 inputs and incorporate saved answers into new expressions. Supports complex field calculations with adjustable decimal digits and three output formats.

**Highlights:** Natural math expression input, Automatic result display, Input revision for updated results, Save and reuse up to 20 inputs, Incorporate saved answers into expressions, Complex field calculations, Adjustable decimal digits, Three output formats (Fixed, Scientific, Engineering)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is bcRPN free?

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

### Is Calculator for Complex Field free?

Calculator for Complex Field is free to download, with no in-app purchases.

### Which has better reviews, bcRPN or Calculator for Complex Field?

Calculator for Complex Field is rated higher. bcRPN averages 4.8 out of 5 from 4 ratings, while Calculator for Complex Field averages 5.0 from 4 ratings.

### Do bcRPN or Calculator for Complex Field have ads?

Neither bcRPN nor Calculator for Complex Field shows ads.

### Which is updated more often, bcRPN or Calculator for Complex Field?

bcRPN ships an update every 22 months, and Calculator for Complex Field fortnightly. Most recently, bcRPN was updated on September 19, 2026 and Calculator for Complex Field on June 5, 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.*