# Refrigerant Calculator vs Refrigerant Selection Tool

The clearest difference is update cadence: Refrigerant Calculator at every 4 months against Refrigerant Selection Tool's every 12 months. Refrigerant Selection Tool's advantage is iOS requirement (11.0 vs 15.0). 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.

Refrigerant Calculator ships an update every 4 months, Refrigerant Selection Tool every 12 months. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Refrigerant Calculator | Refrigerant Selection Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/refrigerant-calculator/id494446830/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free | — |
| Size | 33 MB | 108 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caio Pinheiro](https://appshunter.io/developer/494446833) | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) |

## What reviewers say

### Refrigerant Calculator

[App page](https://appshunter.io/ios/app/refrigerant-calculator/id494446830)

This app helps refrigeration technicians, engineers, and students analyze refrigeration cycles and convert pressure/temperature data. It offers offline fluid libraries, cycle analysis with thermodynamic properties, and floating setpoint estimates for energy savings. Calculations can be performed offline without an account.

**Highlights:** Pressure/temperature conversion, Offline fluid library (163 fluids), Refrigeration cycle analysis, Floating setpoint estimates, Calculation history, Offline functionality, Multi-language support

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

**In-app purchases:** none


### Refrigerant Selection Tool

[App page](https://appshunter.io/ios/app/refrigerant-selection-tool/id1076574665)

**In-app purchases:** none


## Frequently asked questions

### Is Refrigerant Calculator free?

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

### Is Refrigerant Selection Tool free?

Refrigerant Selection Tool is free to download, with no in-app purchases.

### Do Refrigerant Calculator or Refrigerant Selection Tool have ads?

Neither Refrigerant Calculator nor Refrigerant Selection Tool shows ads.

### Which is updated more often, Refrigerant Calculator or Refrigerant Selection Tool?

Refrigerant Calculator ships an update every 4 months, and Refrigerant Selection Tool every 12 months. Most recently, Refrigerant Calculator was updated on November 6, 2026 and Refrigerant Selection Tool on November 11, 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.*