# Bluon HVAC vs Cielo PRO

The clearest difference is review sentiment: Cielo PRO at 100% against Bluon HVAC's 55%. Cielo PRO also leads on ads (none vs shown) and rating (5.0 vs 4.8). Bluon HVAC's advantage is ratings volume (4.5K vs 2) and device support (3 vs 1). On price, update cadence, in-app purchases 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.

Cielo PRO holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Bluon HVAC has 4.5K ratings behind it against 2, 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 100% of Cielo PRO's.

Bluon HVAC ships an update monthly, Cielo PRO every 3 weeks. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bluon HVAC | Cielo PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.5K ratings)](https://appshunter.io/ios/app/bluon-hvac/id1357521880/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cielo-pro/id6757784458/reviews)** |
| Number of ratings | **4.5K** | 2 |
| Positive reviews | 54.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 170 MB | 28 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bluon, Inc.](https://appshunter.io/developer/1357521879) | [Cielo WiGle Inc.](https://appshunter.io/developer/1030282554) |

## What reviewers say

### Bluon HVAC

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

Access a vast database of HVAC-R and plumbing unit documentation, including specs, manuals, and replacement parts. Get AI-powered troubleshooting and connect with live veteran technicians for support.

**Highlights:** 35,000,000+ HVAC unit database, Model specs, age, and warranty info, Original parts and replacement options, AI-powered troubleshooting (Master Mechanic), Live veteran technician support line, Supplier contact and ordering

**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


### Cielo PRO

[App page](https://appshunter.io/ios/app/cielo-pro/id6757784458)

This tool empowers HVAC professionals to efficiently install smart thermostats, manage customer relationships, and enhance their business branding. It offers guided workflows, Bluetooth configuration, and AI-powered templates for quick and reliable setups.

**Highlights:** Free Pro Branding, Guided Thermostat Installation Workflow, Bluetooth-Based Configuration, AI-Powered HVAC Configuration Templates, Save Thermostat Configurations, HVAC Equipment Testing, Instant Thermostat Handoff, Customer & Workforce Management

**In-app purchases:** none


## Frequently asked questions

### Is Bluon HVAC free?

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

### Is Cielo PRO free?

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

### Which has better reviews, Bluon HVAC or Cielo PRO?

Cielo PRO is rated higher. Bluon HVAC averages 4.8 out of 5 from 4.5K ratings, while Cielo PRO averages 5.0 from 2 ratings.

### Do Bluon HVAC or Cielo PRO have ads?

Bluon HVAC shows ads; Cielo PRO does not.

### Which is updated more often, Bluon HVAC or Cielo PRO?

Bluon HVAC ships an update monthly, and Cielo PRO every 3 weeks. Most recently, Bluon HVAC was updated on November 11, 2026 and Cielo PRO on November 5, 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.*