# myNAVAC vs HVAC Tools PT Chart

The clearest difference is in-app purchases: myNAVAC at none against HVAC Tools PT Chart's 3. myNAVAC also leads on iOS requirement (12.0 vs 18). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HVAC Tools PT Chart sells 3 in-app purchases, starting at $4.99 per month. myNAVAC asks for nothing beyond the download.

myNAVAC ships an update every 3 weeks, HVAC Tools PT Chart monthly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | myNAVAC | HVAC Tools PT Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (36 ratings)](https://appshunter.io/ios/app/mynavac/id6459829747/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 16.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 137 MB | 9 MB |
| Requires iOS | **12.0** | 18 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [NAVAC Inc.](https://appshunter.io/developer/1700369128) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## 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 Tools PT Chart

[App page](https://appshunter.io/ios/app/hvac-tools-pt-chart-gauge/id6760602879)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gauge Pro | $4.99 | per month |
| Gauge Pro | $39.99 | per year |
| Gauge Pro | $39.99 | per year |


## Frequently asked questions

### Is myNAVAC free?

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

### Is HVAC Tools PT Chart free?

HVAC Tools PT Chart is free to download, with in-app purchases available.

### Do myNAVAC or HVAC Tools PT Chart have ads?

Neither myNAVAC nor HVAC Tools PT Chart shows ads.

### Which is updated more often, myNAVAC or HVAC Tools PT Chart?

myNAVAC ships an update every 3 weeks, and HVAC Tools PT Chart monthly. Most recently, myNAVAC was updated on November 3, 2026 and HVAC Tools PT Chart on November 9, 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.*