# Contribution Margin Calculator vs Shamir Spark™ Remote

The clearest difference is device support: Shamir Spark™ Remote at 2 against Contribution Margin Calculator's —. Contribution Margin Calculator's advantage is iOS requirement (13.0 vs 15.6). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Contribution Margin Calculator | Shamir Spark™ Remote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Size | 41 MB | 8 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Shamir Optical Industry LTD.](https://appshunter.io/developer/1319806131) |

## What reviewers say

### Contribution Margin Calculator

[App page](https://appshunter.io/ios/app/contribution-margin-calculator/id1619680483)

**In-app purchases:** none


### Shamir Spark™ Remote

[App page](https://appshunter.io/ios/app/shamir-spark-remote/id1661601966)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contribution Margin Calculator free?

Contribution Margin Calculator is free to download, with no in-app purchases.

### Is Shamir Spark™ Remote free?

Shamir Spark™ Remote is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*