# SwiftRPN vs my16c

The clearest difference is in-app purchases: SwiftRPN at none against my16c's 1. SwiftRPN also leads on iOS requirement (17.6 vs 26.0). my16c's advantage is update cadence (fortnightly vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. my16c sells 1 one-off in-app purchase. SwiftRPN asks for nothing beyond the download.

SwiftRPN ships an update every 14 months, my16c fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SwiftRPN | my16c |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/swiftrpn/id6470951024/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 9 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


### my16c

[App page](https://appshunter.io/ios/app/my16c/id6762121583)

This app emulates a legendary programmer's calculator from the 1980s, offering cycle-accurate performance and faithful reproduction of its features. It includes base conversions, bit manipulation, RPN, and programmability, with modern conveniences like iCloud sync and a dark interface.

**Highlights:** Cycle-accurate emulation, Full base conversion (HEX, DEC, OCT, BIN), Bit operations, RPN entry, Programmable, Authentic LCD display, Word size control

**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 my16c free?

my16c is free to download, with in-app purchases available.

### Do SwiftRPN or my16c have ads?

Neither SwiftRPN nor my16c shows ads.

### Which is updated more often, SwiftRPN or my16c?

SwiftRPN ships an update every 14 months, and my16c fortnightly. Most recently, SwiftRPN was updated on November 3, 2026 and my16c 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.*