# HVAC Decoder vs Bluon HVAC

The clearest difference is price: Bluon HVAC at Free against HVAC Decoder's $9.99. Bluon HVAC also leads on rating (4.8 vs 4.0) and ratings volume (4.5K vs 28). HVAC Decoder's advantage is ads (none vs shown) and review sentiment (69% vs 55%). On in-app purchases, device support and iOS requirement there is nothing between them.

Bluon HVAC is free to download; HVAC Decoder costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bluon HVAC holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Bluon HVAC has 4.5K ratings behind it against 28, so its average is the more settled of the two. Written reviews complicate that: 69% of HVAC Decoder's written reviews are positive against 55% of Bluon HVAC's, so the app with the better star average is not the one people write more warmly about.

HVAC Decoder ships an update every 3 months, Bluon HVAC monthly. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | HVAC Decoder | Bluon HVAC |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.0 (28 ratings)](https://appshunter.io/ios/app/hvac-decoder/id1355543096/reviews) | **[4.8 (4.5K ratings)](https://appshunter.io/ios/app/bluon-hvac/id1357521880/reviews)** |
| Number of ratings | 28 | **4.5K** |
| Positive reviews | **68.8% of reviews** | 55.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#159** | — |
| Size | 6 MB | 170 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles Cope](https://appshunter.io/developer/1355543095) | [Bluon, Inc.](https://appshunter.io/developer/1357521879) |

## What reviewers say

### HVAC Decoder

[App page](https://appshunter.io/ios/app/hvac-decoder/id1355543096)

**Currently charting:** #159 Top Paid · Utilities (US App Store)

Decode HVAC model and serial numbers from major brands. This utility app provides thousands of model numbers and can email search results. It supports a wide range of HVAC equipment and offers close matches for unknown numbers.

**Highlights:** Decode HVAC model numbers, Decode HVAC serial numbers, Supports major HVAC brands, Thousands of model numbers, Email search results, Close match functionality, Report missing data

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is HVAC Decoder free?

HVAC Decoder costs $9.99, with no in-app purchases.

### Is Bluon HVAC free?

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

### Which has better reviews, HVAC Decoder or Bluon HVAC?

Bluon HVAC is rated higher. HVAC Decoder averages 4.0 out of 5 from 28 ratings, while Bluon HVAC averages 4.8 from 4.5K ratings.

### Do HVAC Decoder or Bluon HVAC have ads?

Bluon HVAC shows ads; HVAC Decoder does not.

### Which is updated more often, HVAC Decoder or Bluon HVAC?

HVAC Decoder ships an update every 3 months, and Bluon HVAC monthly. Most recently, HVAC Decoder was updated on September 21, 2026 and Bluon HVAC 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.*