# SwiftRPN vs my12c

The clearest difference is in-app purchases: SwiftRPN at none against my12c's 1. SwiftRPN also leads on iOS requirement (17.6 vs 26.0). my12c's advantage is update cadence (every 5 days vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. my12c sells 1 one-off in-app purchase. SwiftRPN asks for nothing beyond the download.

SwiftRPN ships an update every 14 months, my12c every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SwiftRPN | my12c |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Free | — |
| Size | 3 MB | 6 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


### my12c

[App page](https://appshunter.io/ios/app/my12c/id6814496960)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full App | $9.99 | one-time |


## Frequently asked questions

### Is SwiftRPN free?

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

### Is my12c free?

my12c is free to download, with in-app purchases available.

### Do SwiftRPN or my12c have ads?

Neither SwiftRPN nor my12c shows ads.

### Which is updated more often, SwiftRPN or my12c?

SwiftRPN ships an update every 14 months, and my12c every 5 days. Most recently, SwiftRPN was updated on November 3, 2026 and my12c on October 31, 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.*