# PT Chart Refrigerants EU vs Superheat Adjust

The clearest difference is iOS requirement: PT Chart Refrigerants EU at 11.0 against Superheat Adjust's 15.6. 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.

PT Chart Refrigerants EU ships an update every 14 months, Superheat Adjust every 12 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | PT Chart Refrigerants EU | Superheat Adjust |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/pt-chart-refrigerants-eu/id632697935/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 12 months** |
| Monetization | Free | — |
| Size | 85 MB | 27 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [Copeland LP](https://appshunter.io/developer/464252882) |

## What reviewers say

### PT Chart Refrigerants EU

[App page](https://appshunter.io/ios/app/pt-chart-refrigerants-eu/id632697935)

This reference tool provides HVAC mechanics with a digital pressure-temperature (PT) chart. Users can select refrigerants to access necessary data and quickly calculate superheat and subcool averages directly from their iPhone or iPad.

**Highlights:** Digital pressure-temperature chart, Refrigerant selection, Field data access, Superheat and subcool calculations, Touchscreen interface

**In-app purchases:** none


### 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 PT Chart Refrigerants EU free?

PT Chart Refrigerants EU 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 PT Chart Refrigerants EU or Superheat Adjust have ads?

Neither PT Chart Refrigerants EU nor Superheat Adjust shows ads.

### Which is updated more often, PT Chart Refrigerants EU or Superheat Adjust?

PT Chart Refrigerants EU ships an update every 14 months, and Superheat Adjust every 12 months. Most recently, PT Chart Refrigerants EU was updated on November 6, 2026 and Superheat Adjust on November 1, 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.*