# myNAVAC vs HVAC Master AI

The clearest difference is review sentiment: HVAC Master AI at 100% against myNAVAC's 16%. HVAC Master AI also leads on rating (5.0 vs 2.3) and update cadence (every 11 days vs every 3 weeks). myNAVAC's advantage is in-app purchases (none vs 1) and ratings volume (35 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. HVAC Master AI sells 1 in-app purchase, starting at $4.99 per month. myNAVAC asks for nothing beyond the download.

HVAC Master AI holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: myNAVAC has 35 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 16% of myNAVAC's written reviews are positive against 100% of HVAC Master AI's.

myNAVAC ships an update every 3 weeks, HVAC Master AI every 11 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | myNAVAC | HVAC Master AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (35 ratings)](https://appshunter.io/ios/app/mynavac/id6459829747/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hvac-master-ai/id6738960643/reviews)** |
| Number of ratings | **35** | 3 |
| Positive reviews | 16.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 137 MB | 159 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [NAVAC Inc.](https://appshunter.io/developer/1700369128) | [alexis atilano](https://appshunter.io/developer/1783149667) |

## What reviewers say

### myNAVAC

[App page](https://appshunter.io/ios/app/mynavac/id6459829747)

Connect to and manage NAVAC brand IoT measurement devices via Bluetooth. View real-time data, control settings remotely, and record measurements. Analyze data with process curves and tables, then export reports in Excel or PDF.

**Highlights:** Bluetooth device connection, Real-time data display, Remote control and settings, Data recording and storage, Process curve and table view, Exportable measurement reports (Excel/PDF)

**Features:** macOS Compatibility

**In-app purchases:** none


### HVAC Master AI

[App page](https://appshunter.io/ios/app/hvac-master-ai/id6738960643)

This mobile assistant helps HVAC technicians diagnose, repair, and optimize heating, ventilation, and air conditioning systems. It provides expert advice, refrigerant information, EPA 608 guidance, and heat pump insights for quick access to solutions.

**Highlights:** Comprehensive HVAC troubleshooting advice, Refrigerant expertise, EPA 608 compliance guidance, Heat pump system insights, Quick access to solutions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly  Subscription | $4.99 | per month |


## Frequently asked questions

### Is myNAVAC free?

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

### Is HVAC Master AI free?

HVAC Master AI is free to download, with in-app purchases available.

### Which has better reviews, myNAVAC or HVAC Master AI?

HVAC Master AI is rated higher. myNAVAC averages 2.3 out of 5 from 35 ratings, while HVAC Master AI averages 5.0 from 3 ratings.

### Do myNAVAC or HVAC Master AI have ads?

Neither myNAVAC nor HVAC Master AI shows ads.

### Which is updated more often, myNAVAC or HVAC Master AI?

myNAVAC ships an update every 3 weeks, and HVAC Master AI every 11 days. Most recently, myNAVAC was updated on October 24, 2026 and HVAC Master AI 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.*