# HVAC RefCharge vs YJACK VIEW

The clearest difference is price: YJACK VIEW at Free against HVAC RefCharge's $9.99. YJACK VIEW also leads on in-app purchases (none vs 1) and update cadence (every 5 months vs every 11 months). On review sentiment, ads, device support and iOS requirement there is nothing between them.

YJACK VIEW is free to download; HVAC RefCharge costs $9.99 up front. HVAC RefCharge sells 1 one-off in-app purchase. YJACK VIEW asks for nothing beyond the download.

HVAC RefCharge ships an update every 11 months, YJACK VIEW every 5 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HVAC RefCharge | YJACK VIEW |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[2.9 (19 ratings)](https://appshunter.io/ios/app/yjack-view/id1492358956/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | **33.3% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 22 MB | 18 MB |
| Requires iOS | 15.6 | 15.6 |
| 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 RefCharge

[App page](https://appshunter.io/ios/app/hvac-refcharge/id577005428)

This app helps HVAC technicians quickly calculate refrigerant superheat and subcool levels. It supports over 100 refrigerants and offers interactive adjustments for precise charging decisions. Features include atmospheric pressure adjustments and unit customization.

**Highlights:** Superheat and subcool calculations, Supports 100+ refrigerants, Interactive slider for adjustments, Atmospheric pressure compensation, Customizable input types, Project photo assignment, Email report generation, English/Metric unit display

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Equipment Locator | $9.99 | one-time |


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HVAC RefCharge free?

HVAC RefCharge costs $9.99, and also offers in-app purchases.

### Is YJACK VIEW free?

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

### Do HVAC RefCharge or YJACK VIEW have ads?

Neither HVAC RefCharge nor YJACK VIEW shows ads.

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

HVAC RefCharge ships an update every 11 months, and YJACK VIEW every 5 months. Most recently, HVAC RefCharge was updated on October 8, 2026 and YJACK VIEW on October 10, 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.*