# SmartAC.com Pro vs Lennox Smart Tech

The clearest difference is rating: SmartAC.com Pro at 5.0 against Lennox Smart Tech's 4.5. SmartAC.com Pro also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.4 vs 16.0). Lennox Smart Tech's advantage is ratings volume (60 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SmartAC.com Pro holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Lennox Smart Tech has 60 ratings behind it against 6, so its average is the more settled of the two.

SmartAC.com Pro ships an update fortnightly, Lennox Smart Tech every 2 months. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SmartAC.com Pro | Lennox Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/smartaccom-pro/id1536845908/reviews)** | [4.5 (60 ratings)](https://appshunter.io/ios/app/lennox-smart-tech/id6443907644/reviews) |
| Number of ratings | 6 | **60** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 97 MB | 98 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SmartAC.com, Inc.](https://appshunter.io/developer/1471377764) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### SmartAC.com Pro

[App page](https://appshunter.io/ios/app/smartaccom-pro/id1536845908)

This app helps HVAC service professionals quickly set up new SmartAC.com memberships for homeowners. It streamlines hardware configuration, internet connection, sensor logging, and HVAC system information capture. Once setup is complete, homeowners receive login credentials for their own app.

**Highlights:** Create homeowner accounts, Specify hardware configuration, Connect devices to internet, Log sensor installation locations, Log filter size and condition, Capture HVAC system info

**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 SmartAC.com Pro free?

SmartAC.com Pro 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, SmartAC.com Pro or Lennox Smart Tech?

SmartAC.com Pro is rated higher. SmartAC.com Pro averages 5.0 out of 5 from 6 ratings, while Lennox Smart Tech averages 4.5 from 60 ratings.

### Do SmartAC.com Pro or Lennox Smart Tech have ads?

Neither SmartAC.com Pro nor Lennox Smart Tech shows ads.

### Which is updated more often, SmartAC.com Pro or Lennox Smart Tech?

SmartAC.com Pro ships an update fortnightly, and Lennox Smart Tech every 2 months. Most recently, SmartAC.com Pro was updated on September 23, 2026 and Lennox Smart Tech on October 7, 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.*