# Elastic Constants Calculator vs CheckPrimeNumbers

The clearest difference is price: Elastic Constants Calculator at Free against CheckPrimeNumbers's $0.99. CheckPrimeNumbers's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Elastic Constants Calculator 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 | Elastic Constants Calculator | CheckPrimeNumbers |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 10 MB | 0 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [Sreekanth Parigela](https://appshunter.io/developer/1763791561) |

## What reviewers say

### Elastic Constants Calculator

[App page](https://appshunter.io/ios/app/elastic-constants-calculator/id6478935452)

**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 Elastic Constants Calculator free?

Elastic Constants Calculator is free to download, with no in-app purchases.

### Is CheckPrimeNumbers free?

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

### Do Elastic Constants Calculator or CheckPrimeNumbers have ads?

Elastic Constants Calculator shows ads; CheckPrimeNumbers does not.

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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.*