# Find Prime Num vs CheckPrimeNumbers

The clearest difference is price: Find Prime Num at Free against CheckPrimeNumbers's $0.99. Find Prime Num also leads on iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Find Prime Num is free to download; CheckPrimeNumbers costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Find Prime Num | CheckPrimeNumbers |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/find-prime-num/id1505409395/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 8 MB | 0 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duo Pisceses, Inc.](https://appshunter.io/developer/850707063) | [Sreekanth Parigela](https://appshunter.io/developer/1763791561) |

## What reviewers say

### 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


### CheckPrimeNumbers

[App page](https://appshunter.io/ios/app/checkprimenumbers/id6670205769)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Find Prime Num free?

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

### Is CheckPrimeNumbers free?

CheckPrimeNumbers costs $0.99, with no in-app purchases.

### Do Find Prime Num or CheckPrimeNumbers have ads?

Neither Find Prime Num nor CheckPrimeNumbers 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.*