# Bluon HVAC vs CORE Service

The clearest difference is review sentiment: Bluon HVAC at 55% against CORE Service's 0%. Bluon HVAC also leads on rating (4.8 vs 3.6) and ratings volume (4.5K vs 19). CORE Service's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Bluon HVAC holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Bluon HVAC has 4.5K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 55% of Bluon HVAC's written reviews are positive against 0% of CORE Service's.

Bluon HVAC ships an update monthly, CORE Service every 3 months. The most recent releases landed on September 24, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | Bluon HVAC | CORE Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.5K ratings)](https://appshunter.io/ios/app/bluon-hvac/id1357521880/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/core-service/id1566612696/reviews) |
| Number of ratings | **4.5K** | 19 |
| Positive reviews | **55.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 170 MB | 46 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bluon, Inc.](https://appshunter.io/developer/1357521879) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### Bluon HVAC

[App page](https://appshunter.io/ios/app/bluon-hvac/id1357521880)

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

**Highlights:** 500,000+ HVAC unit database, Manuals and part lists, AI troubleshooting tool (MasterMechanic), Live support from veteran techs, HVAC industry upgrade tools

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

**In-app purchases:** none

**What reviewers like**

- 🤖 Helpful tech support
- 💯 Comprehensive database of manuals and information
- 🛠️ Useful tools and calculators
- 🤝 Great customer service

**What reviewers complain about**

- 💰 Paywall for advanced features
- 🔒 Limited access without company account
- 🔍 Missing manuals for some equipment models
- 🗣️ Removal of helpful forums

**Reported bugs**

- Login/password reset issues
- Frequent crashes or loading problems

**Requested features**

- Individual technician subscription option
- More comprehensive coverage of HVAC equipment models
- Ability to access full manuals without restrictions


### CORE Service

[App page](https://appshunter.io/ios/app/core-service/id1566612696)

This app provides a wireless interface for commercial HVAC technicians to control and service specific Lennox rooftop units. It offers guided setup, enhanced testing, and parameter configuration to streamline the service process.

**Highlights:** Wireless mobile service app, Guided setup with progress indicators, Enhanced test functionality, Real-time sensor readings and trending, Parameter configuration, Exportable setup summaries

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluon HVAC free?

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

### Is CORE Service free?

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

### Which has better reviews, Bluon HVAC or CORE Service?

Bluon HVAC is rated higher. Bluon HVAC averages 4.8 out of 5 from 4.5K ratings, while CORE Service averages 3.6 from 19 ratings.

### Do Bluon HVAC or CORE Service have ads?

Bluon HVAC shows ads; CORE Service does not.

### Which is updated more often, Bluon HVAC or CORE Service?

Bluon HVAC ships an update monthly, and CORE Service every 3 months. Most recently, Bluon HVAC was updated on September 24, 2026 and CORE Service 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.*