# Bluon HVAC vs Sera Mobile

The clearest difference is rating: Bluon HVAC at 4.8 against Sera Mobile's 2.9. Bluon HVAC also leads on ratings volume (4.5K vs 15) and review sentiment (55% vs 38%). Sera Mobile's advantage is ads (none vs shown) and monetization model (free vs ad-supported). 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.

Bluon HVAC holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: Bluon HVAC has 4.5K ratings behind it against 15, 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 38% of Sera Mobile's.

Bluon HVAC ships an update monthly, Sera Mobile fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Bluon HVAC | Sera Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.5K ratings)](https://appshunter.io/ios/app/bluon-hvac/id1357521880/reviews)** | [2.9 (15 ratings)](https://appshunter.io/ios/app/sera-mobile/id6747143907/reviews) |
| Number of ratings | **4.5K** | 15 |
| Positive reviews | **54.6% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 170 MB | 67 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bluon, Inc.](https://appshunter.io/developer/1357521879) | [Sera Systems, Inc.](https://appshunter.io/developer/1586824730) |

## 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


### Sera Mobile

[App page](https://appshunter.io/ios/app/sera-mobile/id6747143907)

This app connects field service professionals with real-time job updates, customer information, and schedules. It allows users to create quotes, send invoices, and accept payments directly from their mobile device.

**Highlights:** Real-time job updates, Customer information access, Quote creation and management, Invoice generation, Payment collection, Appointment scheduling, Technician KPI tracking

**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 Sera Mobile free?

Sera Mobile is free to download, with no in-app purchases.

### Which has better reviews, Bluon HVAC or Sera Mobile?

Bluon HVAC is rated higher. Bluon HVAC averages 4.8 out of 5 from 4.5K ratings, while Sera Mobile averages 2.9 from 15 ratings.

### Do Bluon HVAC or Sera Mobile have ads?

Bluon HVAC shows ads; Sera Mobile does not.

### Which is updated more often, Bluon HVAC or Sera Mobile?

Bluon HVAC ships an update monthly, and Sera Mobile fortnightly. Most recently, Bluon HVAC was updated on October 24, 2026 and Sera Mobile on October 24, 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.*