# Baker HVAC Pro+ vs Gin Air Calculator

The clearest difference is ratings volume: Baker HVAC Pro+ at 606 against Gin Air Calculator's 1. Baker HVAC Pro+ also leads on update cadence (monthly vs every 2 months). Gin Air Calculator's advantage is review sentiment (100% vs 85%) and monetization model (free vs ad-supported). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for Baker HVAC Pro+ against 5.0 for Gin Air Calculator. That said, the two scores are not equally well evidenced: Baker HVAC Pro+ has 606 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 85% of Baker HVAC Pro+'s written reviews are positive against 100% of Gin Air Calculator's.

Baker HVAC Pro+ ships an update monthly, Gin Air Calculator every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Baker HVAC Pro+ | Gin Air Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (606 ratings)](https://appshunter.io/ios/app/baker-hvac-pro-plus/id511192312/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gin-air-calculator/id1250567115/reviews)** |
| Number of ratings | **606** | 1 |
| Positive reviews | 85.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 166 MB | 1 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Watsco, Inc.](https://appshunter.io/developer/510378878) | [Samuel Jackson, Inc.](https://appshunter.io/developer/356591098) |

## What reviewers say

### Baker HVAC Pro+

[App page](https://appshunter.io/ios/app/baker-hvac-pro-plus/id511192312)

This app provides HVAC/R professionals with on-the-go access to product information and essential tools. It features real-time order tracking, a duct calculator, warranty verification, and branch location details. Users can also search for parts, view technical documents, and receive special offer notifications.

**Highlights:** Real-time order status, Duct calculator, Product availability and pricing, Warranty registration verification, Parts and model search, Technical document access, Branch locator and directions

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

**In-app purchases:** none

**What reviewers like**

- 👍 Time saver
- 👍 Easy to find information
- 👍 Great for ordering parts
- 👍 Helpful for checking stock
- 👍 Useful for customer warranties

**What reviewers complain about**

- 🐛 Error messages
- 🐛 App not working
- ⚠️ Too many alerts
- ⚠️ Annoying alerts

**Reported bugs**

- App not working anymore
- Error messages

**Requested features**

- Add R448A to P/T calc
- Tie account to app for pricing


### Gin Air Calculator

[App page](https://appshunter.io/ios/app/gin-air-calculator/id1250567115)

Easily calculate and log air volume measurements for efficient airflow in cotton gins and other air-based systems. Input pressure and pipe dimensions to get air velocity and volume rates, then log and share your data.

**Highlights:** Calculate air velocity (FPM), Calculate air volume rate (CFM), Log measurements by location, Customizable data points, Share data tables via email, Supports circular pipes/ducts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Baker HVAC Pro+ free?

Baker HVAC Pro+ is free to download, with no in-app purchases.

### Is Gin Air Calculator free?

Gin Air Calculator is free to download, with no in-app purchases.

### Which has better reviews, Baker HVAC Pro+ or Gin Air Calculator?

Gin Air Calculator is rated higher. Baker HVAC Pro+ averages 4.9 out of 5 from 606 ratings, while Gin Air Calculator averages 5.0 from 1 ratings.

### Do Baker HVAC Pro+ or Gin Air Calculator have ads?

Neither Baker HVAC Pro+ nor Gin Air Calculator shows ads.

### Which is updated more often, Baker HVAC Pro+ or Gin Air Calculator?

Baker HVAC Pro+ ships an update monthly, and Gin Air Calculator every 2 months. Most recently, Baker HVAC Pro+ was updated on November 6, 2026 and Gin Air Calculator on November 2, 2026.

---

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