# Bluon HVAC vs CaptiveAire Toolbox

The clearest difference is ads: CaptiveAire Toolbox at none against Bluon HVAC's shown. CaptiveAire Toolbox also leads on update cadence (every 6 days vs monthly) and rating (5.0 vs 4.8). Bluon HVAC's advantage is ratings volume (4.5K vs 1). 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.

CaptiveAire Toolbox 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 1, so its average is the more settled of the two.

Bluon HVAC ships an update monthly, CaptiveAire Toolbox every 6 days. Both last shipped on October 22, 2026.

## The numbers

| Metric | Bluon HVAC | CaptiveAire Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.5K ratings)](https://appshunter.io/ios/app/bluon-hvac/id1357521880/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/captiveaire-toolbox/id6765656560/reviews)** |
| Number of ratings | **4.5K** | 1 |
| Positive reviews | 54.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 170 MB | 71 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bluon, Inc.](https://appshunter.io/developer/1357521879) | [CaptiveAire Systems, Inc.](https://appshunter.io/developer/1896026735) |

## 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


### CaptiveAire Toolbox

[App page](https://appshunter.io/ios/app/captiveaire-toolbox/id6765656560)

This app provides over 40 HVAC and building-systems engineering calculators. It's designed for field use, offering standard industry formulas for cooling, heating, ventilation, electrical sizing, and more. Access detailed formula definitions and reference data.

**Highlights:** 40+ HVAC engineering calculators, Cooling and heating load calculations, Ventilation and airflow tools, Electrical sizing and motor circuits, Duct and piping pressure drop, Reference data and psychrometric chart

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluon HVAC free?

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

### Is CaptiveAire Toolbox free?

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

### Which has better reviews, Bluon HVAC or CaptiveAire Toolbox?

CaptiveAire Toolbox is rated higher. Bluon HVAC averages 4.8 out of 5 from 4.5K ratings, while CaptiveAire Toolbox averages 5.0 from 1 ratings.

### Do Bluon HVAC or CaptiveAire Toolbox have ads?

Bluon HVAC shows ads; CaptiveAire Toolbox does not.

### Which is updated more often, Bluon HVAC or CaptiveAire Toolbox?

Bluon HVAC ships an update monthly, and CaptiveAire Toolbox every 6 days. Most recently, Bluon HVAC was updated on October 22, 2026 and CaptiveAire Toolbox on October 22, 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.*