# ComfortStar Tech Support vs Refrigerant P

The clearest difference is price: ComfortStar Tech Support at Free against Refrigerant P's $0.99. ComfortStar Tech Support also leads on in-app purchases (none vs 1) and ads (none vs shown). Refrigerant P's advantage is update cadence (every 9 days vs monthly). On device support and iOS requirement there is nothing between them.

ComfortStar Tech Support is free to download; Refrigerant P costs $0.99 up front. Refrigerant P sells 1 one-off in-app purchase. ComfortStar Tech Support asks for nothing beyond the download.

ComfortStar Tech Support ships an update monthly, Refrigerant P every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ComfortStar Tech Support | Refrigerant P |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/comfortstar-tech-support/id6448704531/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 38 MB | 34 MB |
| Requires iOS | 14.0.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ComfortStar, LLC](https://appshunter.io/developer/1078519512) | [Rizvan Adzhoian](https://appshunter.io/developer/1891746079) |

## What reviewers say

### ComfortStar Tech Support

[App page](https://appshunter.io/ios/app/comfortstar-tech-support/id6448704531)

An interactive guide for HVAC technicians, offering access to manuals, troubleshooting guides, and direct communication with support agents. Streamline unit repair and create detailed service reports for future reference.

**Highlights:** Access owner and installation manuals, Service manuals and submittals, Create and send detailed service reports, Troubleshooting guides and videos, Error code guides, Direct communication with support agents

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

**In-app purchases:** none


### Refrigerant P

[App page](https://appshunter.io/ios/app/refrigerant-p-t-chart/id6764646691)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |


## Frequently asked questions

### Is ComfortStar Tech Support free?

ComfortStar Tech Support is free to download, with no in-app purchases.

### Is Refrigerant P free?

Refrigerant P costs $0.99, and also offers in-app purchases.

### Do ComfortStar Tech Support or Refrigerant P have ads?

Refrigerant P shows ads; ComfortStar Tech Support does not.

### Which is updated more often, ComfortStar Tech Support or Refrigerant P?

ComfortStar Tech Support ships an update monthly, and Refrigerant P every 9 days. Most recently, ComfortStar Tech Support was updated on November 3, 2026 and Refrigerant P on October 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.*