# P3 HVAC Software vs Lennox Smart Tech

The clearest difference is rating: Lennox Smart Tech at 4.5 against P3 HVAC Software's 4.1. Lennox Smart Tech also leads on ratings volume (60 vs 11). P3 HVAC Software's advantage is update cadence (every 3 weeks vs every 2 months). On price, review sentiment, 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.

Lennox Smart Tech holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Lennox Smart Tech has 60 ratings behind it against 11, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

P3 HVAC Software ships an update every 3 weeks, Lennox Smart Tech every 2 months. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | P3 HVAC Software | Lennox Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (11 ratings)](https://appshunter.io/ios/app/p3-hvac-software/id6443444737/reviews) | **[4.5 (60 ratings)](https://appshunter.io/ios/app/lennox-smart-tech/id6443907644/reviews)** |
| Number of ratings | 11 | **60** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 75 MB | 98 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HVAC Business Solutions, LLC](https://appshunter.io/developer/522611719) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### P3 HVAC Software

[App page](https://appshunter.io/ios/app/p3-hvac-software/id6443444737)

This comprehensive software helps residential HVAC companies manage operations, from scheduling service calls and customer interactions to tracking sales and service. It empowers technicians with mobile access for on-the-go updates, aiming to reduce paperwork and foster business growth.

**Highlights:** Real-time scheduling, Customer management, Call answering & outbound booking, Sales & service tracking, Tech-friendly mobile access

**Features:** Vision Pro support

**In-app purchases:** none


### Lennox Smart Tech

[App page](https://appshunter.io/ios/app/lennox-smart-tech/id6443907644)

Streamline the installation and servicing of compatible home comfort systems. This app allows for remote testing, diagnostics, and system setting adjustments directly from a smartphone, reducing the need to physically interact with equipment.

**Highlights:** Install and service home comfort systems, Test and run diagnostics remotely, Adjust system settings from smartphone, Compatible with Lennox S40/L40/M40/E40 Smart Thermostats, Direct smartphone control

**In-app purchases:** none


## Frequently asked questions

### Is P3 HVAC Software free?

P3 HVAC Software is free to download, with no in-app purchases.

### Is Lennox Smart Tech free?

Lennox Smart Tech is free to download, with no in-app purchases.

### Which has better reviews, P3 HVAC Software or Lennox Smart Tech?

Lennox Smart Tech is rated higher. P3 HVAC Software averages 4.1 out of 5 from 11 ratings, while Lennox Smart Tech averages 4.5 from 60 ratings.

### Do P3 HVAC Software or Lennox Smart Tech have ads?

Neither P3 HVAC Software nor Lennox Smart Tech shows ads.

### Which is updated more often, P3 HVAC Software or Lennox Smart Tech?

P3 HVAC Software ships an update every 3 weeks, and Lennox Smart Tech every 2 months. Most recently, P3 HVAC Software was updated on October 8, 2026 and Lennox Smart Tech on October 22, 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.*