# Ref Tools vs P/T Slider Climalife

The clearest difference is rating: P/T Slider Climalife at 5.0 against Ref Tools's 3.9. P/T Slider Climalife also leads on iOS requirement (8.0 vs 15.0). Ref Tools's advantage is update cadence (every 5 weeks vs every 9 months) and ratings volume (52 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

P/T Slider Climalife holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Ref Tools has 52 ratings behind it against 1, so its average is the more settled of the two.

Ref Tools ships an update every 5 weeks, P/T Slider Climalife every 9 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Ref Tools | P/T Slider Climalife |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (52 ratings)](https://appshunter.io/ios/app/ref-tools/id472312541/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pt-slider-climalife/id1206362538/reviews)** |
| Number of ratings | **52** | 1 |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 98 MB | 41 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Gestimat – Groupe Dehon](https://appshunter.io/developer/928450680) |

## What reviewers say

### Ref Tools

[App page](https://appshunter.io/ios/app/ref-tools/id472312541)

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

**Highlights:** Refrigerant Slider for P/T calculations, Solenoid valve coil testing tool, Refrigeration system troubleshooting guide, Product data finder, Spare parts ordering, Low-GWP refrigerant comparison, TXV Superheat optimization, Educational podcasts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Useful tool for HVAC/R techs
- 👍 Great idea for an app
- 👍 Best refrigeration and hvac app
- 👍 Useful App for HVACR
- 👍 Brilliant app

**What reviewers complain about**

- 🐛 Crashes instantly on launch
- 🐛 App won’t open on iPhone
- 🐛 Flashes up and disappears
- 🐛 Cannot open app
- 🐛 Immediately shuts off

**Reported bugs**

- CRASHED instantly on Mac Mini M4
- App won’t open on iPhone
- App flashes up and disappears
- Cannot open app
- Immediately shuts off since recent release

**Requested features**

- More residential AC information
- Troubleshooter for Residential & Commercial
- Add SP22 refrigerant
- Add R-11 refrigerant
- Add R-123 range down to 40 degrees


### P/T Slider Climalife

[App page](https://appshunter.io/ios/app/pt-slider-climalife/id1206362538)

This app provides professionals in HVAC and refrigeration with essential temperature and pressure data for a wide range of refrigerants. It includes detailed information on refrigerant composition, temperature glide, boiling point, and molecular weight.

**Highlights:** Temperature and pressure data for refrigerants, Refrigerant composition details, Temperature glide information, Boiling point and molecular weight, Supports HFC, HFO, HC, and other refrigerants, Available in 7 languages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ref Tools free?

Ref Tools is free to download, with no in-app purchases.

### Is P/T Slider Climalife free?

P/T Slider Climalife is free to download, with no in-app purchases.

### Which has better reviews, Ref Tools or P/T Slider Climalife?

P/T Slider Climalife is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while P/T Slider Climalife averages 5.0 from 1 ratings.

### Do Ref Tools or P/T Slider Climalife have ads?

Neither Ref Tools nor P/T Slider Climalife shows ads.

### Which is updated more often, Ref Tools or P/T Slider Climalife?

Ref Tools ships an update every 5 weeks, and P/T Slider Climalife every 9 months. Most recently, Ref Tools was updated on October 7, 2026 and P/T Slider Climalife on September 29, 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.*