# SwiftRPN vs my59

The clearest difference is in-app purchases: SwiftRPN at none against my59's 3. SwiftRPN also leads on iOS requirement (17.6 vs 26.0). my59's advantage is update cadence (every 2 weeks vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. my59 sells 3 in-app purchases, starting at $0.99 per month. SwiftRPN asks for nothing beyond the download.

SwiftRPN ships an update every 14 months, my59 every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SwiftRPN | my59 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/swiftrpn/id6470951024/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 11 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Gelvin](https://appshunter.io/developer/1573354051) | [Miroslav Perovic](https://appshunter.io/developer/400748424) |

## What reviewers say

### SwiftRPN

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

This utility app provides a powerful Reverse Polish Notation (RPN) calculator with advanced features. It supports scalar types, vectors, and matrices, along with extensive built-in operators and unit conversions. Easily switch between number bases and visualize results.

**Highlights:** RPN stack for efficient calculations, Support for scalar, vector, and matrix types, 84 built-in operators with documentation, 74 built-in units for conversion, Multiple number base input and output (binary, octal, decimal, hex), BigInt support for integer calculations

**In-app purchases:** none


### my59

[App page](https://appshunter.io/ios/app/my59/id6759532452)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |
| Unlock Full App | $19.99 | one-time |


## Frequently asked questions

### Is SwiftRPN free?

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

### Is my59 free?

my59 is free to download, with in-app purchases available.

### Do SwiftRPN or my59 have ads?

Neither SwiftRPN nor my59 shows ads.

### Which is updated more often, SwiftRPN or my59?

SwiftRPN ships an update every 14 months, and my59 every 2 weeks. Most recently, SwiftRPN was updated on October 27, 2026 and my59 on October 28, 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.*