# SHIMADZU IR vs Phymetrix Calculator

SHIMADZU IR and Phymetrix Calculator both sit at 5.0 stars, but that hides the real split: 100% of Phymetrix Calculator's written reviews are positive against 0% of SHIMADZU IR's. SHIMADZU IR's advantage is iOS requirement (6.0 vs 14.0). On price, rating, ratings volume and update cadence 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 SHIMADZU IR against 5.0 for Phymetrix Calculator. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 0% of SHIMADZU IR's written reviews are positive against 100% of Phymetrix Calculator's.

SHIMADZU IR ships an update every 27 months, Phymetrix Calculator every 52 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | SHIMADZU IR | Phymetrix Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/shimadzu-ir/id671466765/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/phymetrix-calculator/id1073762645/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 27 months** | Every 52 months |
| Monetization | Free | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shimadzu Business Systems Corporation](https://appshunter.io/developer/384043856) | [Alexander Bedrossian](https://appshunter.io/developer/674267968) |

## What reviewers say

### SHIMADZU IR

[App page](https://appshunter.io/ios/app/shimadzu-ir/id671466765)

This tool helps users of Fourier Transform Infrared Spectrophotometers quickly check the physical and chemical characteristics of optical materials. It also includes a unit converter for common laboratory measurements like wavelength to wavenumber, distance, mass, pressure, and angle.

**Highlights:** Optical material characteristics, Measurement technique selection, Wavelength to wavenumber conversion, Distance, mass, pressure, angle conversions, Information on IRTracer-100 spectrophotometer

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SHIMADZU IR free?

SHIMADZU IR is free to download, with no in-app purchases.

### Is Phymetrix Calculator free?

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

### Which has better reviews, SHIMADZU IR or Phymetrix Calculator?

SHIMADZU IR and Phymetrix Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SHIMADZU IR or Phymetrix Calculator have ads?

Neither SHIMADZU IR nor Phymetrix Calculator shows ads.

### Which is updated more often, SHIMADZU IR or Phymetrix Calculator?

SHIMADZU IR ships an update every 27 months, and Phymetrix Calculator every 52 months. Most recently, SHIMADZU IR was updated on November 6, 2026 and Phymetrix Calculator on November 2, 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.*