# SmartAC.com vs Lennox Smart Tech

The clearest difference is review sentiment: SmartAC.com at 100% against Lennox Smart Tech's 0%. SmartAC.com also leads on rating (4.9 vs 4.5) and update cadence (fortnightly vs every 2 months). On price, ratings volume, 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.

SmartAC.com holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 36 and 60 respectively. Written reviews point the same way: 100% of SmartAC.com's written reviews are positive against 0% of Lennox Smart Tech's.

SmartAC.com ships an update fortnightly, Lennox Smart Tech every 2 months. The most recent releases landed on September 16, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | SmartAC.com | Lennox Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (36 ratings)](https://appshunter.io/ios/app/smartaccom/id1488947598/reviews)** | [4.5 (60 ratings)](https://appshunter.io/ios/app/lennox-smart-tech/id6443907644/reviews) |
| Number of ratings | 36 | **60** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 124 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

[App page](https://appshunter.io/ios/app/smartaccom/id1488947598)

This app helps homeowners manage their air conditioning and heating systems. It monitors performance, alerts to potential issues, and provides maintenance reminders to save money and extend equipment life.

**Highlights:** Track AC system performance, Air filter life monitoring, System health insights, Leak and clog alerts, Virtual Technician support, Customized maintenance reports, Find service providers

**Features:** macOS Compatibility, Apple Wallet, 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 free?

SmartAC.com 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 or Lennox Smart Tech?

SmartAC.com is rated higher. SmartAC.com averages 4.9 out of 5 from 36 ratings, while Lennox Smart Tech averages 4.5 from 60 ratings.

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

Neither SmartAC.com nor Lennox Smart Tech shows ads.

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

SmartAC.com ships an update fortnightly, and Lennox Smart Tech every 2 months. Most recently, SmartAC.com was updated on September 16, 2026 and Lennox Smart Tech on August 15, 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.*