# Weldbend Field Reference App vs P

The clearest difference is review sentiment: P at 100% against Weldbend Field Reference App's 50%. P also leads on rating (4.8 vs 3.1). Weldbend Field Reference App's advantage is update cadence (every 2 months vs every 12 months). On price, ratings volume, 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.

P holds the better App Store score, 4.8 against 3.1. Both are backed by a comparable volume of ratings — 38 and 52 respectively. Written reviews point the same way: 50% of Weldbend Field Reference App's written reviews are positive against 100% of P's.

Weldbend Field Reference App ships an update every 2 months, P every 12 months. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Weldbend Field Reference App | P |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (38 ratings)](https://appshunter.io/ios/app/weldbend-field-reference-app/id563044323/reviews) | **[4.8 (52 ratings)](https://appshunter.io/ios/app/p-t-calculator/id1252176525/reviews)** |
| Number of ratings | 38 | **52** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 29 MB | 6 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weldbend Corporation](https://appshunter.io/developer/563044326) | [National Refrigerants Inc.](https://appshunter.io/developer/1252176524) |

## What reviewers say

### Weldbend Field Reference App

[App page](https://appshunter.io/ios/app/weldbend-field-reference-app/id563044323)

Access dimensional data for carbon steel butt-weld fittings and flanges. This digital companion also provides technical and general information for carbon steel pipe systems.

**Highlights:** Dimensional data for butt-weld fittings, Dimensional data for flanges, Technical information for carbon steel pipe systems, General information for carbon steel pipe systems

**Features:** macOS Compatibility

**In-app purchases:** none


### P

[App page](https://appshunter.io/ios/app/p-t-calculator/id1252176525)

This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.

**Highlights:** Pressure/Temperature calculation, Superheat/Subcool calculation, Automatic altitude correction, English/Metric units, Favorite refrigerants list, Refrigerant blend data

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

**In-app purchases:** none


## Frequently asked questions

### Is Weldbend Field Reference App free?

Weldbend Field Reference App is free to download, with no in-app purchases.

### Is P free?

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

### Which has better reviews, Weldbend Field Reference App or P?

P is rated higher. Weldbend Field Reference App averages 3.1 out of 5 from 38 ratings, while P averages 4.8 from 52 ratings.

### Do Weldbend Field Reference App or P have ads?

Neither Weldbend Field Reference App nor P shows ads.

### Which is updated more often, Weldbend Field Reference App or P?

Weldbend Field Reference App ships an update every 2 months, and P every 12 months. Most recently, Weldbend Field Reference App was updated on October 8, 2026 and P on September 24, 2026.

---

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