# RPN vs Calculator Go Plus

The clearest difference is in-app purchases: Calculator Go Plus at none against RPN's 1. RPN's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. RPN sells 1 one-off in-app purchase. Calculator Go Plus asks for nothing beyond the download.

RPN ships an update monthly, Calculator Go Plus every 6 weeks. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RPN | Calculator Go Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 5 MB | 34 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Stankiewicz Baldassarri](https://appshunter.io/developer/452519243) | [Blazing App Studio](https://appshunter.io/developer/1787017244) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn/id452519240)

This utility app functions as a reverse Polish notation calculator. Users input numbers and operations using a stack-based interface to perform calculations. It's designed for straightforward mathematical tasks.

**Highlights:** Reverse Polish Notation (RPN) input, Stack-based operation, Intuitive digit and operation buttons, Clear result display

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack LCD | $0.49 | one-time |


### Calculator Go Plus

[App page](https://appshunter.io/ios/app/calculator-go-plus/id6755140900)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

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

### Is Calculator Go Plus free?

Calculator Go Plus is free to download, with no in-app purchases.

### Do RPN or Calculator Go Plus have ads?

Calculator Go Plus shows ads; RPN does not.

### Which is updated more often, RPN or Calculator Go Plus?

RPN ships an update monthly, and Calculator Go Plus every 6 weeks. Most recently, RPN was updated on October 19, 2026 and Calculator Go Plus on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*