# Carburetor CFM vs Mechanism Tools Calculator

The clearest difference is iOS requirement: Mechanism Tools Calculator at 9.0 against Carburetor CFM's 13.0. On price, ads, in-app purchases and device support 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 | Carburetor CFM | Mechanism Tools Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 40 MB | 56 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Pavan Parekh](https://appshunter.io/developer/1376072714) |

## What reviewers say

### Carburetor CFM

[App page](https://appshunter.io/ios/app/carburetor-cfm-calcon/id1619682005)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mechanism Tools Calculator

[App page](https://appshunter.io/ios/app/mechanism-tools-calculator/id1624924249)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Carburetor CFM free?

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

### Is Mechanism Tools Calculator free?

Mechanism Tools Calculator is free to download, with no in-app purchases.

### Do Carburetor CFM or Mechanism Tools Calculator have ads?

Neither Carburetor CFM nor Mechanism Tools Calculator 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.*