# myNAVAC vs HVACsim

The clearest difference is in-app purchases: myNAVAC at none against HVACsim's 1. myNAVAC also leads on ratings volume (32 vs 10). HVACsim's advantage is rating (2.6 vs 2.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HVACsim sells 1 one-off in-app purchase. myNAVAC asks for nothing beyond the download.

HVACsim holds the better App Store score, 2.6 against 2.4. Both are backed by a comparable volume of ratings — 32 and 10 respectively.

myNAVAC ships an update every 3 weeks, HVACsim every 2 months. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | myNAVAC | HVACsim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (32 ratings)](https://appshunter.io/ios/app/mynavac/id6459829747/reviews) | **[2.6 (10 ratings)](https://appshunter.io/ios/app/hvacsim/id6740935191/reviews)** |
| Number of ratings | **32** | 10 |
| Positive reviews | 14.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 137 MB | 20 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NAVAC Inc.](https://appshunter.io/developer/1700369128) | [Nauman Innovation Group LLC](https://appshunter.io/developer/1764933586) |

## 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


### HVACsim

[App page](https://appshunter.io/ios/app/hvacsim/id6740935191)

This app offers interactive learning and real-world data analysis to help HVAC professionals diagnose and troubleshoot systems. It provides personalized training plans, skill assessments, and team management tools for contractors.

**Highlights:** Technical Knowledge Evaluator, Individualized Learning Plans, Real-World Data Analysis, Team Management Tools, Continuous Learning Library

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $29.99 | one-time |


## Frequently asked questions

### Is myNAVAC free?

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

### Is HVACsim free?

HVACsim is free to download, with in-app purchases available.

### Which has better reviews, myNAVAC or HVACsim?

HVACsim is rated higher. myNAVAC averages 2.4 out of 5 from 32 ratings, while HVACsim averages 2.6 from 10 ratings.

### Do myNAVAC or HVACsim have ads?

Neither myNAVAC nor HVACsim shows ads.

### Which is updated more often, myNAVAC or HVACsim?

myNAVAC ships an update every 3 weeks, and HVACsim every 2 months. Most recently, myNAVAC was updated on September 22, 2026 and HVACsim on September 20, 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.*