# Bluon HVAC vs RAD Auth

The clearest difference is ads: RAD Auth at none against Bluon HVAC's shown. RAD Auth also leads on update cadence (weekly 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 and device support there is nothing between them.

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

RAD Auth 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, RAD Auth weekly. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Bluon HVAC | RAD Auth |
| --- | --- | --- |
| 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/rad-auth/id1569307692/reviews)** |
| Number of ratings | **4.5K** | 1 |
| Positive reviews | 54.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 170 MB | 33 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bluon, Inc.](https://appshunter.io/developer/1357521879) | [Robotic Assistance Devices Inc](https://appshunter.io/developer/1482389582) |

## 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


### RAD Auth

[App page](https://appshunter.io/ios/app/rad-auth/id1569307692)

This multi-factor authentication app provides an extra layer of security for clients using specific company products. It allows authorized users within a company to access authentication services unique to their organization. The app is offered as an optional security enhancement.

**Highlights:** Multi-factor authentication, Enhanced security layer, Internal client access only, Company-specific authentication services, Optional security feature

**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 RAD Auth free?

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

### Which has better reviews, Bluon HVAC or RAD Auth?

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

### Do Bluon HVAC or RAD Auth have ads?

Bluon HVAC shows ads; RAD Auth does not.

### Which is updated more often, Bluon HVAC or RAD Auth?

Bluon HVAC ships an update monthly, and RAD Auth weekly. Most recently, Bluon HVAC was updated on October 18, 2026 and RAD Auth on October 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.*