# SmarTech vs Heating & Cooling HVAC Pro+

The clearest difference is review sentiment: Heating & Cooling HVAC Pro+ at 100% against SmarTech's 25%. Heating & Cooling HVAC Pro+ also leads on rating (4.8 vs 3.6) and update cadence (every 6 weeks 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.

Heating & Cooling HVAC Pro+ holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Heating & Cooling HVAC Pro+ has 45 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 25% of SmarTech's written reviews are positive against 100% of Heating & Cooling HVAC Pro+'s.

SmarTech ships an update every 12 months, Heating & Cooling HVAC Pro+ every 6 weeks. The most recent releases landed on June 1, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | SmarTech | Heating & Cooling HVAC Pro+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (9 ratings)](https://appshunter.io/ios/app/smartech/id1071783318/reviews) | **[4.8 (45 ratings)](https://appshunter.io/ios/app/heating-and-cooling-hvac-pro-plus/id1356690113/reviews)** |
| Number of ratings | 9 | **45** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 21 MB | 164 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Uniweld Products, Inc.](https://appshunter.io/developer/1097526384) | [Watsco, Inc.](https://appshunter.io/developer/510378878) |

## What reviewers say

### 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


### Heating & Cooling HVAC Pro+

[App page](https://appshunter.io/ios/app/heating-and-cooling-hvac-pro-plus/id1356690113)

This app provides HVAC professionals with quick access to product information, tools, and support. It allows users to check pricing, availability, find locations, and manage warranty claims. Features include a PT calculator, duct calculators, and a flashlight tool for on-site work.

**Highlights:** View pricing and order status, Real-time product availability, Find branch locations and hours, Scan barcodes for product lookup, Submit warranty claims, Access spec sheets and diagrams, Live technical support chat, Inventory replenishment tool

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

**In-app purchases:** none


## Frequently asked questions

### Is SmarTech free?

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

### Is Heating & Cooling HVAC Pro+ free?

Heating & Cooling HVAC Pro+ is free to download, with no in-app purchases.

### Which has better reviews, SmarTech or Heating & Cooling HVAC Pro+?

Heating & Cooling HVAC Pro+ is rated higher. SmarTech averages 3.6 out of 5 from 9 ratings, while Heating & Cooling HVAC Pro+ averages 4.8 from 45 ratings.

### Do SmarTech or Heating & Cooling HVAC Pro+ have ads?

Neither SmarTech nor Heating & Cooling HVAC Pro+ shows ads.

### Which is updated more often, SmarTech or Heating & Cooling HVAC Pro+?

SmarTech ships an update every 12 months, and Heating & Cooling HVAC Pro+ every 6 weeks. Most recently, SmarTech was updated on June 1, 2026 and Heating & Cooling HVAC Pro+ on August 9, 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.*