# RPNu vs Complex Conjugate Calculator

The clearest difference is update cadence: Complex Conjugate Calculator at every 6 days against RPNu's every 2 months. Complex Conjugate Calculator also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

RPNu ships an update every 2 months, Complex Conjugate Calculator every 6 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RPNu | Complex Conjugate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 49 MB | 40 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scott Johnson](https://appshunter.io/developer/580251998) | [Stage Coding](https://appshunter.io/developer/1637068135) |

## What reviewers say

### RPNu

[App page](https://appshunter.io/ios/app/rpnu/id1195709318)

**Features:** macOS Compatibility

**In-app purchases:** none


### Complex Conjugate Calculator

[App page](https://appshunter.io/ios/app/complex-conjugate-calculator/id1619685165)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPNu free?

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

### Is Complex Conjugate Calculator free?

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

### Do RPNu or Complex Conjugate Calculator have ads?

Neither RPNu nor Complex Conjugate Calculator shows ads.

### Which is updated more often, RPNu or Complex Conjugate Calculator?

RPNu ships an update every 2 months, and Complex Conjugate Calculator every 6 days. Most recently, RPNu was updated on October 26, 2026 and Complex Conjugate Calculator on October 27, 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.*