# HVAC Toolkit Ultimate vs YJACK VIEW

The clearest difference is price: YJACK VIEW at Free against HVAC Toolkit Ultimate's $59.99. YJACK VIEW also leads on ratings volume (18 vs 4). HVAC Toolkit Ultimate's advantage is review sentiment (40% vs 25%) and rating (3.0 vs 2.8). On update cadence, ads, in-app purchases and device support there is nothing between them.

YJACK VIEW is free to download; HVAC Toolkit Ultimate costs $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HVAC Toolkit Ultimate holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews point the same way: 40% of HVAC Toolkit Ultimate's written reviews are positive against 25% of YJACK VIEW's.

HVAC Toolkit Ultimate ships an update every 6 months, YJACK VIEW every 5 months. The most recent releases landed on August 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | HVAC Toolkit Ultimate | YJACK VIEW |
| --- | --- | --- |
| Price | $59.99 | **Free** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/hvac-toolkit-ultimate/id391408247/reviews)** | [2.8 (18 ratings)](https://appshunter.io/ios/app/yjack-view/id1492358956/reviews) |
| Number of ratings | 4 | **18** |
| Positive reviews | **40.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 59 MB | 19 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [YELLOW JACKET](https://appshunter.io/developer/924701171) |

## What reviewers say

### HVAC Toolkit Ultimate

[App page](https://appshunter.io/ios/app/hvac-toolkit-ultimate/id391408247)

This comprehensive application offers a suite of tools for HVAC professionals, including load calculations, equipment tracking, refrigerant charts, duct and pipe sizing, and psychrometric analysis. It consolidates multiple functionalities into a single, powerful utility for field and office use.

**Highlights:** Residential load calculations, Equipment nameplate data tracking, Refrigerant pressure-temperature charts, Superheat and subcool calculations, Duct and pipe sizing analysis, Psychrometric calculations, Steam table property calculations

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

**In-app purchases:** none


### YJACK VIEW

[App page](https://appshunter.io/ios/app/yjack-view/id1492358956)

This app provides a comprehensive HVAC/R diagnostic solution by integrating with specialized hardware. It allows users to view live data, create and share service reports, and perform detailed system analysis for pressure, temperature, evacuation, and more.

**Highlights:** Live data monitoring, Customizable PDF service reports, Enhanced datalogging, Pressure and temperature analysis, Evacuation monitoring, Psychrometric analysis, Electrical readings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Toolkit Ultimate free?

HVAC Toolkit Ultimate costs $59.99, with no in-app purchases.

### Is YJACK VIEW free?

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

### Which has better reviews, HVAC Toolkit Ultimate or YJACK VIEW?

HVAC Toolkit Ultimate is rated higher. HVAC Toolkit Ultimate averages 3.0 out of 5 from 4 ratings, while YJACK VIEW averages 2.8 from 18 ratings.

### Do HVAC Toolkit Ultimate or YJACK VIEW have ads?

Neither HVAC Toolkit Ultimate nor YJACK VIEW shows ads.

### Which is updated more often, HVAC Toolkit Ultimate or YJACK VIEW?

HVAC Toolkit Ultimate ships an update every 6 months, and YJACK VIEW every 5 months. Most recently, HVAC Toolkit Ultimate was updated on August 27, 2026 and YJACK VIEW on September 24, 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.*