# Concise vs R47 RPN Calculator

The clearest difference is in-app purchases: Concise at none against R47 RPN Calculator's 1. R47 RPN Calculator's advantage is update cadence (every 3 days vs every 8 days) and iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. R47 RPN Calculator sells 1 one-off in-app purchase. Concise asks for nothing beyond the download.

Concise ships an update every 8 days, R47 RPN Calculator every 3 days. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Concise | R47 RPN Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (23 ratings)](https://appshunter.io/ios/app/r47-rpn-calculator/id6763615664/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 62 MB | 61 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jon Hougey](https://appshunter.io/developer/1751119956) | [MARCEL DAN](https://appshunter.io/developer/1895318613) |

## What reviewers say

### Concise

[App page](https://appshunter.io/ios/app/concise-5/id6504142552)

**Features:** macOS Compatibility

**In-app purchases:** none


### R47 RPN Calculator

[App page](https://appshunter.io/ios/app/r47-rpn-calculator/id6763615664)

This scientific calculator uses Reverse Polish Notation (RPN) to help you break down complex problems. It offers a full 47-series instruction set with advanced functions and a program editor. The free version includes extensive tutorials and documentation.

**Highlights:** RPN scientific calculator, 47-series instruction set, Program editor, Tutorial library, Offline functionality, Light and dark themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Pack | $4.99 | one-time |


## Frequently asked questions

### Is Concise free?

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

### Is R47 RPN Calculator free?

R47 RPN Calculator is free to download, with in-app purchases available.

### Do Concise or R47 RPN Calculator have ads?

Neither Concise nor R47 RPN Calculator shows ads.

### Which is updated more often, Concise or R47 RPN Calculator?

Concise ships an update every 8 days, and R47 RPN Calculator every 3 days. Most recently, Concise was updated on September 9, 2026 and R47 RPN Calculator on September 20, 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.*