# Phymetrix Calculator vs PLC IO Checkout

The clearest difference is in-app purchases: Phymetrix Calculator at none against PLC IO Checkout's 1. Phymetrix Calculator also leads on iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PLC IO Checkout sells 1 one-off in-app purchase. Phymetrix Calculator asks for nothing beyond the download.

## The numbers

| Metric | Phymetrix Calculator | PLC IO Checkout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phymetrix-calculator/id1073762645/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | — |
| Monetization | Free | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Bedrossian](https://appshunter.io/developer/674267968) | [BCDPRODUCTION LLC](https://appshunter.io/developer/1867250803) |

## What reviewers say

### Phymetrix Calculator

[App page](https://appshunter.io/ios/app/phymetrix-calculator/id1073762645)

This utility app simplifies moisture calculations by converting between various units and determining dew points and partial water vapor pressures. It's pre-programmed with essential scientific equations for common gases, making complex calculations straightforward.

**Highlights:** Moisture unit conversion, Dew point calculation, Partial water vapor pressure calculation, Pre-programmed scientific equations, Supports common gases, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### PLC IO Checkout

[App page](https://appshunter.io/ios/app/plc-io-checkout/id6810327015)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $29.99 | one-time |


## Frequently asked questions

### Is Phymetrix Calculator free?

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

### Is PLC IO Checkout free?

PLC IO Checkout is free to download, with in-app purchases available.

### Do Phymetrix Calculator or PLC IO Checkout have ads?

Neither Phymetrix Calculator nor PLC IO Checkout 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.*