# Ref Tools vs Pipe and Fitting

The clearest difference is price: Ref Tools at Free against Pipe and Fitting's $3.99. Ref Tools also leads on ratings volume (52 vs 4) and update cadence (every 5 weeks vs every 3 months). Pipe and Fitting's advantage is review sentiment (100% vs 58%) and iOS requirement (12.0 vs 15.0). On rating, ads, in-app purchases and device support there is nothing between them.

Ref Tools is free to download; Pipe and Fitting costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.9 for Ref Tools against 4.0 for Pipe and Fitting. That said, the two scores are not equally well evidenced: Ref Tools has 52 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 58% of Ref Tools's written reviews are positive against 100% of Pipe and Fitting's.

Ref Tools ships an update every 5 weeks, Pipe and Fitting every 3 months. The most recent releases landed on September 29, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Ref Tools | Pipe and Fitting |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [3.9 (52 ratings)](https://appshunter.io/ios/app/ref-tools/id472312541/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/pipe-and-fitting/id6476142436/reviews)** |
| Number of ratings | **52** | 4 |
| Positive reviews | 57.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 98 MB | 36 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Ajay Gorasiya](https://appshunter.io/developer/1455174866) |

## 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


### Pipe and Fitting

[App page](https://appshunter.io/ios/app/pipe-and-fitting/id6476142436)

This app provides detailed dimensions and specifications for a wide range of piping components, including pipes, fittings, flanges, clamps, hangers, and gaskets. It offers accurate measurements and material information, with the ability to switch between metric and US units for user convenience.

**Highlights:** Accurate pipe dimensions, Comprehensive material information, Strength analysis, Fitting dimensions, Flange specifications, Unit conversion (metric/US)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ref Tools free?

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

### Is Pipe and Fitting free?

Pipe and Fitting costs $3.99, with no in-app purchases.

### Which has better reviews, Ref Tools or Pipe and Fitting?

Pipe and Fitting is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while Pipe and Fitting averages 4.0 from 4 ratings.

### Do Ref Tools or Pipe and Fitting have ads?

Neither Ref Tools nor Pipe and Fitting shows ads.

### Which is updated more often, Ref Tools or Pipe and Fitting?

Ref Tools ships an update every 5 weeks, and Pipe and Fitting every 3 months. Most recently, Ref Tools was updated on September 29, 2026 and Pipe and Fitting on August 31, 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.*