Interplay Learning vs HVAC Pro Suite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interplay Learning
This platform offers subscription-based training for skilled trades, creating job-ready workers and upskilling existing ones. Access hundreds of hours of expert-led content in HVAC, plumbing, electrical, and more, with on-demand assessments to track progress.
- Expert-led training content
- On-demand assessments
- Certification exam prep
- Bite-sized training videos
- Progress tracking
- Anytime, anywhere access
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Interplay Learning’s career development platform (formerly SkillMill) is a subscription-based solution that delivers always-on training, creating job-ready skilled trades workers and upskilling tenured workers faster and easier than ever before. Access hundreds of hours of expert-led training content in HVAC, Solar, Plumbing, Electric and Facilities Maintenance (and more). Plus, utilize on-demand assessments and knowledge checks to gauge team skills and identify key areas for improvement. With Interplay, you can: Expand knowledge and skills through training that can be accessed anytime, anywhere Learn directly from industry experts who understand what top technicians need to know Prep for EPA 608 and NATE certification exams or retain certification with approved CEU hours Master industry relevant skills quicker and more efficiently So that you’ll be able to: Take the next step in your trades career Develop skills and credentials Retain critical knowledge necessary to do your job safely and correctly With the Interplay Mobile App You Get: Bite-sized training videos for on-the-go learning On-demand quizzes and assessments to test your knowledge and find gaps The ability to pick up where you left off Just-in-time information when you need it the most Optimize your experience on a tablet, laptop or desktop Popular Courses Include: HVAC: Heat Pump Troubleshooting, Introduction to Rooftop Units, AC System Tools, Trades Math Electrical: How to Use a Multimeter, Fundamental Electrical Concepts, Introduction to Fire Alarms, Electrically Safe to Work Procedures Plumbing: Copper Pipe Joining Methods Lab, Principles of Backflow, Drain Cleaning Intro and Equipment Types Appliances:Garbage Disposal Troubleshooting, Refrigerator Troubleshooting, Ranges Overview Safety: Lockout/Tagout, Bloodborne Pathogens, Ladder and Fall Safety, Distracted Driving Solar: Solar Module Design, Mechanical Commissioning, Reading Schematics and Drawings Get to Know Us: https://www.interplaylearning.com
HVAC Pro Suite
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HVAC Pro Suite brings HVAC learning, reference tools, and project workflows together for technicians, engineers, designers, and students. EPA 608 EXAM PREP • Practice Core, Type I, Type II, and Type III topics with explanations. • Take timed practice exams and revisit missed questions in a short practice session. • Browse reference material and track performance over time. LEARNING STUDIO • Study HVAC fundamentals, psychrometrics, refrigeration, air distribution, hydronics, and controls. • Explore AHU, refrigeration-cycle, psychrometric, and chiller-plant simulations. • Try service scenarios, measurement practice, system-building exercises, and controls activities. • Use engineering calculators and save calculation snapshots to a custom project. 3D EXPLORER • Explore a three-story commercial building and identify HVAC components. • Filter by floor and system, view diagrams, and follow illustrative airflow and chilled-water paths. • Explore the learning hub, system-design wizard, and refrigerant reference. WORKFLOW AND PROJECTS • Follow the Skyline Tower engineering case study and browse its drawing gallery alongside additional book illustrations. • Create custom projects from templates, record equipment and notes, and track milestones. • Use editable inspection, startup, and commissioning checklists with notes and photos. • Save calculation assumptions and results, then share a text project report. Search lessons, refrigerants, components, and reference material from the app hub and save favorites. The app is for education and reference. Verify designs, calculations, safety practices, and current requirements with applicable standards, manufacturer instructions, and qualified professionals.
Screenshots
Verdict
The clearest difference is update cadence: Interplay Learning at every 2 months against HVAC Pro Suite's every 5 months. Interplay Learning also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support 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. Interplay Learning sells 1 in-app purchase, starting at $54.00 per month and HVAC Pro Suite sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Interplay Learning ships an update every 2 months, HVAC Pro Suite every 5 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | Interplay Learning | HVAC Pro Suite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (49 ratings) — better | — |
| Positive reviews | 26.7% of reviews | — |
| Number of ratings | 49 — better | — |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 135 MB | 417 MB |
| Age rating | 4+ | 4+ |
| Developer | Interplay Learning Inc. | Yuhsiu Lai |
In-app purchases
Interplay Learning
- Individual Monthly14 Days trial$54.001 Month
HVAC Pro Suite
- HVAC License Exam$9.99
- Learning Studio$9.99
- 3D Explorer$9.99
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- Workflow$9.99
- All-Access Bundle$19.99
Questions
Is Interplay Learning free?
Is HVAC Pro Suite free?
Do Interplay Learning or HVAC Pro Suite have ads?
Which is updated more often, Interplay Learning or HVAC Pro Suite?
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