# Crassus vs BrennerCalc

The clearest difference is in-app purchases: Crassus at none against BrennerCalc's 1. Crassus also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BrennerCalc sells 1 one-off in-app purchase. Crassus asks for nothing beyond the download.

## The numbers

| Metric | Crassus | BrennerCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 76 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crassus GmbH & Co. KG](https://appshunter.io/developer/1475104093) | [Piotr Kaminski](https://appshunter.io/developer/6799375980) |

## What reviewers say

### Crassus

[App page](https://appshunter.io/ios/app/crassus/id538410244)

**Features:** macOS Compatibility

**In-app purchases:** none


### BrennerCalc

[App page](https://appshunter.io/ios/app/brennercalc/id6801656652)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrennerCalc Pro | $3.99 | one-time |


## Frequently asked questions

### Is Crassus free?

Crassus is free to download, with no in-app purchases.

### Is BrennerCalc free?

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

### Do Crassus or BrennerCalc have ads?

Neither Crassus nor BrennerCalc 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.*