# Triple J Ductwork vs myNAVAC

The clearest difference is rating: Triple J Ductwork at 4.0 against myNAVAC's 2.3. Triple J Ductwork also leads on iOS requirement (8.0 vs 12.0). myNAVAC's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (35 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Triple J Ductwork holds the better App Store score, 4.0 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.

Triple J Ductwork ships an update every 5 months, myNAVAC every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Triple J Ductwork | myNAVAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/triple-j-ductwork/id1156907795/reviews)** | [2.3 (35 ratings)](https://appshunter.io/ios/app/mynavac/id6459829747/reviews) |
| Number of ratings | 3 | **35** |
| Positive reviews | — | 16.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 137 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BiznetIS Net Inc](https://appshunter.io/developer/682007657) | [NAVAC Inc.](https://appshunter.io/developer/1700369128) |

## What reviewers say

### Triple J Ductwork

[App page](https://appshunter.io/ios/app/triple-j-ductwork/id1156907795)

This app allows users to request quotes for custom metal parts, including ductwork and signs. It features a part-picking tool and a space to input specific measurements for fabrication projects.

**Highlights:** Custom part quoting, Part picking tool, Measurement specification, Sheet metal fabrication, Ductwork services

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Triple J Ductwork free?

Triple J Ductwork is free to download, with no in-app purchases.

### Is myNAVAC free?

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

### Which has better reviews, Triple J Ductwork or myNAVAC?

Triple J Ductwork is rated higher. Triple J Ductwork averages 4.0 out of 5 from 3 ratings, while myNAVAC averages 2.3 from 35 ratings.

### Do Triple J Ductwork or myNAVAC have ads?

Neither Triple J Ductwork nor myNAVAC shows ads.

### Which is updated more often, Triple J Ductwork or myNAVAC?

Triple J Ductwork ships an update every 5 months, and myNAVAC every 3 weeks. Most recently, Triple J Ductwork was updated on October 26, 2026 and myNAVAC 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.*