# Baker HVAC Pro+ vs SmarTech

The clearest difference is review sentiment: Baker HVAC Pro+ at 85% against SmarTech's 25%. Baker HVAC Pro+ also leads on rating (4.9 vs 3.6) and update cadence (monthly vs every 12 months). SmarTech's advantage is monetization model (free vs ad-supported). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Baker HVAC Pro+ holds the better App Store score, 4.9 against 3.6. That said, the two scores are not equally well evidenced: Baker HVAC Pro+ has 587 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 85% of Baker HVAC Pro+'s written reviews are positive against 25% of SmarTech's.

Baker HVAC Pro+ ships an update monthly, SmarTech every 12 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Baker HVAC Pro+ | SmarTech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (587 ratings)](https://appshunter.io/ios/app/baker-hvac-pro-plus/id511192312/reviews)** | [3.6 (9 ratings)](https://appshunter.io/ios/app/smartech/id1071783318/reviews) |
| Number of ratings | **587** | 9 |
| Positive reviews | **85.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Ad-supported | **Free** |
| Size | 165 MB | 21 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Watsco, Inc.](https://appshunter.io/developer/510378878) | [Uniweld Products, Inc.](https://appshunter.io/developer/1097526384) |

## 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


### SmarTech

[App page](https://appshunter.io/ios/app/smartech/id1071783318)

This app connects to a digital manifold to display accurate pressure and temperature readings. It offers real-time Superheat and Subcooling calculations, supports over 109 refrigerants, and features a "Smart Charge Zone" for optimal system charging. Users can also generate and export system performance reports.

**Highlights:** Real-time pressure and temperature readings, Superheat and Subcooling calculations, 109+ refrigerant types supported, Smart Charge Zone indicator, System performance reporting, PDF/CSV report export

**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 SmarTech free?

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

### Which has better reviews, Baker HVAC Pro+ or SmarTech?

Baker HVAC Pro+ is rated higher. Baker HVAC Pro+ averages 4.9 out of 5 from 587 ratings, while SmarTech averages 3.6 from 9 ratings.

### Do Baker HVAC Pro+ or SmarTech have ads?

Neither Baker HVAC Pro+ nor SmarTech shows ads.

### Which is updated more often, Baker HVAC Pro+ or SmarTech?

Baker HVAC Pro+ ships an update monthly, and SmarTech every 12 months. Most recently, Baker HVAC Pro+ was updated on September 26, 2026 and SmarTech on June 1, 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.*