# Elastic Constants Calculator vs HearBrew

The clearest difference is in-app purchases: Elastic Constants Calculator at none against HearBrew's 6. HearBrew's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. HearBrew sells 6 in-app purchases, starting at $3.49 per month. Elastic Constants Calculator asks for nothing beyond the download.

## The numbers

| Metric | Elastic Constants Calculator | HearBrew |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Daily |
| Size | 10 MB | 73 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [HearBrew](https://appshunter.io/developer/1893955756) |

## What reviewers say

### Elastic Constants Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### HearBrew

[App page](https://appshunter.io/ios/app/hearbrew/id6762368622)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearBrew Pro Monthly | $3.49 | per month |
| HearBrew Pro Annual | $29.99 | per year |
| 50 Clip Credits | $1.49 | one-time |
| 200 Clip Credits | $2.49 | one-time |
| 500 Clip Credits | $5.49 | one-time |
| HearBrew Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Elastic Constants Calculator free?

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

### Is HearBrew free?

HearBrew is free to download, with in-app purchases available.

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

Elastic Constants Calculator shows ads; HearBrew 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.*