# BITZER REFRIGERANT RULER vs Superheat Adjust

The clearest difference is update cadence: BITZER REFRIGERANT RULER at every 4 months against Superheat Adjust's every 12 months. BITZER REFRIGERANT RULER also leads on iOS requirement (13.0 vs 15.6). 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.

BITZER REFRIGERANT RULER ships an update every 4 months, Superheat Adjust every 12 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | BITZER REFRIGERANT RULER | Superheat Adjust |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/bitzer-refrigerant-ruler/id373683792/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free | — |
| Size | 21 MB | 27 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| 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


### Superheat Adjust

[App page](https://appshunter.io/ios/app/superheat-adjust/id970354862)

**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 Superheat Adjust free?

Superheat Adjust is free to download, with no in-app purchases.

### Do BITZER REFRIGERANT RULER or Superheat Adjust have ads?

Neither BITZER REFRIGERANT RULER nor Superheat Adjust shows ads.

### Which is updated more often, BITZER REFRIGERANT RULER or Superheat Adjust?

BITZER REFRIGERANT RULER ships an update every 4 months, and Superheat Adjust every 12 months. Most recently, BITZER REFRIGERANT RULER was updated on October 24, 2026 and Superheat Adjust on October 26, 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.*