# Subfloor Material Estimator vs CO2 Fermentation Calculator

The clearest difference is price: CO2 Fermentation Calculator at Free against Subfloor Material Estimator's $0.99. CO2 Fermentation Calculator also leads on iOS requirement (11.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

CO2 Fermentation Calculator is free to download; Subfloor Material Estimator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Subfloor Material Estimator | CO2 Fermentation Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/subfloor-material-estimator/id1611594560/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | — |
| Monetization | Paid | — |
| Size | 1 MB | 34 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [H3 Apps, LLC](https://appshunter.io/developer/598620927) | [Logico2 International AB](https://appshunter.io/developer/1208875120) |

## What reviewers say

### Subfloor Material Estimator

[App page](https://appshunter.io/ios/app/subfloor-material-estimator/id1611594560)

Quickly estimate subfloor construction materials based on floor dimensions and joist spacing. Calculates joists, sheathing, rim board, glue, and screws needed.

**Highlights:** Estimate joist quantity, Calculate sheathing requirements, Determine linear feet of rim board, Estimate glue tubes, Calculate screw quantity

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

**In-app purchases:** none


### CO2 Fermentation Calculator

[App page](https://appshunter.io/ios/app/co2-fermentation-calculator/id6446313736)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subfloor Material Estimator free?

Subfloor Material Estimator costs $0.99, with no in-app purchases.

### Is CO2 Fermentation Calculator free?

CO2 Fermentation Calculator is free to download, with no in-app purchases.

### Do Subfloor Material Estimator or CO2 Fermentation Calculator have ads?

Neither Subfloor Material Estimator nor CO2 Fermentation 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.*