# BITZER REFRIGERANT RULER vs Copeland PT Pro

The clearest difference is rating: BITZER REFRIGERANT RULER at 4.6 against Copeland PT Pro's 3.0. BITZER REFRIGERANT RULER also leads on ratings volume (1.1K vs 8) and review sentiment (64% vs 42%). On price, update cadence, ads and in-app purchases there is nothing between them.

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

BITZER REFRIGERANT RULER holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: BITZER REFRIGERANT RULER has 1.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 64% of BITZER REFRIGERANT RULER's written reviews are positive against 42% of Copeland PT Pro's.

BITZER REFRIGERANT RULER ships an update every 4 months, Copeland PT Pro every 7 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BITZER REFRIGERANT RULER | Copeland PT Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/bitzer-refrigerant-ruler/id373683792/reviews)** | [3.0 (8 ratings)](https://appshunter.io/ios/app/copeland-pt-pro/id465298520/reviews) |
| Number of ratings | **1.1K** | 8 |
| Positive reviews | **63.6% of reviews** | 41.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 21 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BITZER SE](https://appshunter.io/developer/1224090796) | [Copeland LP](https://appshunter.io/developer/464252882) |

## What reviewers say

### BITZER REFRIGERANT RULER

[App page](https://appshunter.io/ios/app/bitzer-refrigerant-ruler/id373683792)

This tool quickly determines refrigerant data, including properties, safety groups, GWP, and ODP. It offers intuitive temperature-to-pressure conversion and supports both metric and imperial units. Access detailed information and links to online resources for over 100 refrigerants.

**Highlights:** Refrigerant data lookup, Temperature-to-pressure conversion, Metric and imperial unit support, Over 100 refrigerants, Oil type information, GWP and ODP data, Search filters and favorites

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

**In-app purchases:** none

**What reviewers like**

- 👍 Comprehensive refrigerant list
- 🚀 Efficient and easy to use
- 💡 Helpful for HVAC students and professionals

**What reviewers complain about**

- 🐛 Accuracy issues with some refrigerants
- 🔧 Confusing layout and navigation after recent update
- 🔋 Crashes or freezes on some devices

**Reported bugs**

- Incorrect pressure-temperature relationships
- Inconsistent units (PSIA vs PSIG)

**Requested features**

- Altitude adjustment option
- Ability to filter or hide unwanted refrigerants
- Addition of more refrigerant trade names


### Copeland PT Pro

[App page](https://appshunter.io/ios/app/copeland-pt-pro/id465298520)

This app offers on-the-go pressure and temperature conversions for refrigerants. Easily find saturated pressure based on temperature or saturated temperature based on pressure. It's a free tool for iPhone and iPad.

**Highlights:** Pressure and temperature conversions, Refrigerant selection, Temperature to pressure lookup, Pressure to temperature lookup, Supports Celsius, Fahrenheit, Bar, and Psig

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

**In-app purchases:** none


## Frequently asked questions

### Is BITZER REFRIGERANT RULER free?

BITZER REFRIGERANT RULER is free to download, with no in-app purchases.

### Is Copeland PT Pro free?

Copeland PT Pro is free to download, with no in-app purchases.

### Which has better reviews, BITZER REFRIGERANT RULER or Copeland PT Pro?

BITZER REFRIGERANT RULER is rated higher. BITZER REFRIGERANT RULER averages 4.6 out of 5 from 1.1K ratings, while Copeland PT Pro averages 3.0 from 8 ratings.

### Do BITZER REFRIGERANT RULER or Copeland PT Pro have ads?

Neither BITZER REFRIGERANT RULER nor Copeland PT Pro shows ads.

### Which is updated more often, BITZER REFRIGERANT RULER or Copeland PT Pro?

BITZER REFRIGERANT RULER ships an update every 4 months, and Copeland PT Pro every 7 months. Most recently, BITZER REFRIGERANT RULER was updated on October 24, 2026 and Copeland PT Pro on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*