# SwiftRPN vs Calculator for Complex Field

The clearest difference is update cadence: Calculator for Complex Field at fortnightly against SwiftRPN's every 14 months. Calculator for Complex Field also leads on ratings volume (4 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for SwiftRPN against 5.0 for Calculator for Complex Field. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

SwiftRPN ships an update every 14 months, Calculator for Complex Field fortnightly. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SwiftRPN | Calculator for Complex Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/swiftrpn/id6470951024/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Gelvin](https://appshunter.io/developer/1573354051) | [Jongseung Park](https://appshunter.io/developer/1745560101) |

## What reviewers say

### SwiftRPN

[App page](https://appshunter.io/ios/app/swiftrpn/id6470951024)

**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 SwiftRPN free?

SwiftRPN 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, SwiftRPN or Calculator for Complex Field?

SwiftRPN and Calculator for Complex Field are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

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

Neither SwiftRPN nor Calculator for Complex Field shows ads.

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

SwiftRPN ships an update every 14 months, and Calculator for Complex Field fortnightly. Most recently, SwiftRPN was updated on October 24, 2026 and Calculator for Complex Field on October 2, 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.*