# Phymetrix Calculator vs Ovation Mobile Help

The clearest difference is update cadence: Ovation Mobile Help at every 8 days against Phymetrix Calculator's every 52 months. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Phymetrix Calculator against 5.0 for Ovation Mobile Help. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Phymetrix Calculator ships an update every 52 months, Ovation Mobile Help every 8 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Phymetrix Calculator | Ovation Mobile Help |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/phymetrix-calculator/id1073762645/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/ovation-mobile-help/id1511992770/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 1 MB | 107 MB |
| Requires iOS | **14.0** | 14.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Bedrossian](https://appshunter.io/developer/674267968) | [Emerson Process Management](https://appshunter.io/developer/561985742) |

## 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


### Ovation Mobile Help

[App page](https://appshunter.io/ios/app/ovation-mobile-help/id1511992770)

Access wiring diagrams and part information for Ovation I/O modules. Simply scan a module's part number with your phone's camera to instantly retrieve detailed descriptions, valid combinations, diagnostic LED data, and component specifications.

**Highlights:** Scan module part numbers, View wiring diagrams, Access part descriptions, Get diagnostic LED information, Retrieve component specifications, Check valid module combinations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phymetrix Calculator free?

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

### Is Ovation Mobile Help free?

Ovation Mobile Help is free to download, with no in-app purchases.

### Which has better reviews, Phymetrix Calculator or Ovation Mobile Help?

Phymetrix Calculator and Ovation Mobile Help are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Phymetrix Calculator or Ovation Mobile Help have ads?

Neither Phymetrix Calculator nor Ovation Mobile Help shows ads.

### Which is updated more often, Phymetrix Calculator or Ovation Mobile Help?

Phymetrix Calculator ships an update every 52 months, and Ovation Mobile Help every 8 days. Most recently, Phymetrix Calculator was updated on October 6, 2026 and Ovation Mobile Help on October 24, 2026.

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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.*