# LennoxPros vs QuickSling

The clearest difference is rating: QuickSling at 5.0 against LennoxPros's 2.3. QuickSling also leads on iOS requirement (11.3 vs 16.6). LennoxPros's advantage is update cadence (every 5 weeks vs every 42 months) and ratings volume (56 vs 1). 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.

QuickSling holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: LennoxPros has 56 ratings behind it against 1, so its average is the more settled of the two.

LennoxPros ships an update every 5 weeks, QuickSling every 42 months. The most recent releases landed on October 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | LennoxPros | QuickSling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (56 ratings)](https://appshunter.io/ios/app/lennoxpros/id870321742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quicksling/id1412062521/reviews)** |
| Number of ratings | **56** | 1 |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 42 months |
| Monetization | Free | Free |
| Size | 43 MB | 18 MB |
| Requires iOS | 16.6 | **11.3** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Lennox Industries](https://appshunter.io/developer/355049651) | [Diversitech](https://appshunter.io/developer/1412062520) |

## What reviewers say

### LennoxPros

[App page](https://appshunter.io/ios/app/lennoxpros/id870321742)

This app provides HVAC professionals with a comprehensive resource for parts, supplies, and essential tools. Access product catalogs, check real-time availability, and utilize technical and sales tools to streamline business operations.

**Highlights:** Product Catalog (Residential, Commercial, Parts, Supplies), Real-Time Availability Check, AHRI Residential Matchup Tool, OEM Repair Parts Lookup, Marketing Brochures & Quick Quote Tool, Warranty Lookup, Training Center

**In-app purchases:** none

**What reviewers like**

- 👍 Bar code scanner is useful
- 👍 AHRI matches are appreciated
- 👍 Access to documents and specs
- 👍 Good when it works

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Constant login issues
- 🐛 Very slow loading times
- 🐛 App rarely loads
- 🐛 Needs frequent reinstallation

**Reported bugs**

- App freezes on loading screen
- App crashes frequently
- Login requires multiple attempts or fails
- App logs users out unexpectedly
- Cannot open PDF files on iPad

**Requested features**

- Add QR codes to equipment
- Implement Touch ID/auto login
- Improve search functionality (serial number, model number)
- Make app compatible with newer iOS versions
- Allow two devices with same address


### QuickSling

[App page](https://appshunter.io/ios/app/quicksling/id1412062521)

This app helps HVAC/R contractors manage installation projects and access product information. It allows users to select appropriate mounting hardware, create and share project details with notes and media, and favorite products for offline access.

**Highlights:** Select right stand or hanger, Create and manage projects, Add notes, pictures, and videos to projects, Favorite products for offline viewing, Share projects and media, Access product catalog

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LennoxPros free?

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

### Is QuickSling free?

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

### Which has better reviews, LennoxPros or QuickSling?

QuickSling is rated higher. LennoxPros averages 2.3 out of 5 from 56 ratings, while QuickSling averages 5.0 from 1 ratings.

### Do LennoxPros or QuickSling have ads?

Neither LennoxPros nor QuickSling shows ads.

### Which is updated more often, LennoxPros or QuickSling?

LennoxPros ships an update every 5 weeks, and QuickSling every 42 months. Most recently, LennoxPros was updated on October 18, 2026 and QuickSling on September 28, 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.*