# Simple Factors vs RPN Big Integer Calculator

The clearest difference is price: RPN Big Integer Calculator at Free against Simple Factors's $0.99. RPN Big Integer Calculator also leads on rating (5.0 vs 3.8) and iOS requirement (9.3 vs 15.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

RPN Big Integer Calculator is free to download; Simple Factors costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RPN Big Integer Calculator holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Simple Factors | RPN Big Integer Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/simple-factors/id1084119563/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rpn-big-integer-calculator/id1300713250/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | — |
| Monetization | Paid | **Free** |
| Size | 1 MB | 19 MB |
| Requires iOS | 15.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Palmer](https://appshunter.io/developer/914507761) | [Stephan Jancar](https://appshunter.io/developer/1107422127) |

## What reviewers say

### Simple Factors

[App page](https://appshunter.io/ios/app/simple-factors/id1084119563)

This app helps users understand numbers by providing their factors and checking for primality or divisibility. It offers a straightforward interface for quick calculations up to 10 trillion.

**Highlights:** Calculates factors of numbers, Checks for primality, Determines divisibility, Supports numbers up to 10 trillion, Simple, menu-free interface

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

**In-app purchases:** none


### RPN Big Integer Calculator

[App page](https://appshunter.io/ios/app/rpn-big-integer-calculator/id1300713250)

This application provides a Reverse Polish Notation (RPN) calculator designed for handling very large numbers, up to 1024 bits. It specializes in prime number calculations and the factorization of substantial integers.

**Highlights:** RPN calculator interface, Big Integer support (up to 1024 bits), Prime Number Calculations, Factorization of large numbers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Factors free?

Simple Factors costs $0.99, with no in-app purchases.

### Is RPN Big Integer Calculator free?

RPN Big Integer Calculator is free to download, with no in-app purchases.

### Which has better reviews, Simple Factors or RPN Big Integer Calculator?

RPN Big Integer Calculator is rated higher. Simple Factors averages 3.8 out of 5 from 5 ratings, while RPN Big Integer Calculator averages 5.0 from 2 ratings.

### Do Simple Factors or RPN Big Integer Calculator have ads?

Neither Simple Factors nor RPN Big Integer Calculator shows ads.

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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.*