# RPN Big Integer Calculator vs Find Prime Num

RPN Big Integer Calculator and Find Prime Num both sit at 5.0 stars, but that hides the real split: 100% of RPN Big Integer Calculator's written reviews are positive against 50% of Find Prime Num's. RPN Big Integer Calculator also leads on iOS requirement (9.3 vs 12.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for RPN Big Integer Calculator against 5.0 for Find Prime Num. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 100% of RPN Big Integer Calculator's written reviews are positive against 50% of Find Prime Num's.

## The numbers

| Metric | RPN Big Integer Calculator | Find Prime Num |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/rpn-big-integer-calculator/id1300713250/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/find-prime-num/id1505409395/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Free | Free |
| Size | 19 MB | 8 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Jancar](https://appshunter.io/developer/1107422127) | [Duo Pisceses, Inc.](https://appshunter.io/developer/850707063) |

## What reviewers say

### 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


### Find Prime Num

[App page](https://appshunter.io/ios/app/find-prime-num/id1505409395)

Quickly determine if a number is prime and find one of its factors. This app also measures calculation time to help you benchmark your device's processing speed. Share your results and compare performance with others.

**Highlights:** Calculate prime numbers up to 64-bit integers, Measure processing time for device speed comparison, Find one factor of a non-prime number, Share calculation results, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPN Big Integer Calculator free?

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

### Is Find Prime Num free?

Find Prime Num is free to download, with no in-app purchases.

### Which has better reviews, RPN Big Integer Calculator or Find Prime Num?

RPN Big Integer Calculator and Find Prime Num are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do RPN Big Integer Calculator or Find Prime Num have ads?

Neither RPN Big Integer Calculator nor Find Prime Num 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.*