HVAC Know It All vs Visual3D App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HVAC Know It All
Connect with HVAC/R professionals to enhance your skills through educational discussions. This app aims to help technicians, installers, owners, educators, and students improve their expertise in the trade.
- Educational discussions
- Professional networking
- Skill enhancement
- Trade knowledge sharing
- Technician resources
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HVAC Know It All is a community of HVAC/R professionals. The goal, through educational discussion, is to become better technicians, installers, company owners, educators and students of the trade. PRICING INFORMATION: This app has a 7 day free trial after which a subscription of $0.99 monthly OR $9.99 yearly is required in order to access the entire app. • Payment will be charged to your iTunes Account at confirmation of purchase. • Your subscription will automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. • Your account will be charged for renewal within 24-hours prior to the end of the current period. • You can manage your subscriptions and turn off auto-renewal by going to your iTunes Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Please find a link to the Privacy Policy below: https://bluecollarguru.disciplemedia.com/privacy_policy Please find a link to the Terms of Service below: https://bluecollarguru.disciplemedia.com/terms_and_conditions
Visual3D App
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Visual3D is a simple app for HVAC technicians. It helps you visualize systems and troubleshoot issues easily. Work smarter with clear 3D models and helpful tools. Terms of Use (EULA): https://visual3dacademy.com/eula
Screenshots
Verdict
The clearest difference is update cadence: Visual3D App at every 2 months against HVAC Know It All's every 6 months. Visual3D App also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. HVAC Know It All sells 2 in-app purchases, starting at $0.99 per month and Visual3D App sells 1 in-app purchase, starting at $12.95 per month. Whichever you choose, the download price is not the number that matters.
HVAC Know It All ships an update every 6 months, Visual3D App every 2 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.
| Parameter | HVAC Know It All | Visual3D App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (221 ratings) — better | — |
| Positive reviews | 83.7% of reviews | — |
| Number of ratings | 221 — better | — |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 168 MB |
| Age rating | 17+ | 17+ |
| Developer | HVAC Know It All Inc. | Nauman Innovation Group LLC |
Bugs and requests
HVAC Know It All
Requested features
1 request- More content for the residential group
Visual3D App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
HVAC Know It All
- Monthly Subscription7 Days trial$0.991 Month
- Yearly Subscription7 Days trial$9.991 Year
Visual3D App
- Single User Package$12.951 Month
Questions
Is HVAC Know It All free?
Is Visual3D App free?
Do HVAC Know It All or Visual3D App have ads?
Which is updated more often, HVAC Know It All or Visual3D App?
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