Comparison

Interplay Learning vs HVAC Exam Prep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Expert-led training content
  • On-demand assessments
  • Certification exam prep
  • Bite-sized training videos
  • Progress tracking
  • Anytime, anywhere access
Features
Read full description

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

About

HVAC Exam Prep

Features
Read full description

Master the HVAC technician and NATE-style exams the smart way — beyond EPA 608. HVAC Exam Prep: NATE turns scattered, outdated study material into one fast, focused app with 1,100+ original practice questions, realistic timed mock exams, and proven memory tools. It works fully offline and needs no account. A subscription is required to unlock full access (see pricing below). WHAT YOU GET • 1,100+ original questions across all 8 domains — electrical, heating, cooling, refrigerant & charging, airflow, controls, fundamentals, and tools/safety/IAQ • Every answer explained — clear breakdowns for all four options, not just the right one • Realistic Mock Exam — timed, weighted by domain, with a strict test-day mode and a pass/fail score • Smart flashcards with the Leitner system — active recall plus automatic spaced repetition • Mistake Bank — every question you miss is saved so you can drill your weak areas • Progress analytics — readiness score, syllabus completion, accuracy by domain, and a forgetting-curve forecast • 120 quick-reference study cards — formulas, charging targets, and key facts • Quick 10, custom quizzes, timed quizzes, daily review, search, and bookmarks • 100% offline. No sign-up, no ads, no tracking. BUILT FOR Apprentices, working HVAC/HVACR technicians, trade-school students, and anyone leveling up beyond EPA 608 toward certification. SUBSCRIPTION Full access is an auto-renewable subscription: • Monthly — $9.99 per month • Yearly — $49.99 per year, with a 3-day free trial for new subscribers Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless turned off at least 24 hours before the end of the current period. Manage or cancel in your Apple ID account settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://appios432.blogspot.com/p/privacy-policy_077505632.html HVAC Exam Prep: NATE is an independent study aid and is not affiliated with, authorized, endorsed by, or sponsored by North American Technician Excellence, Inc. (NATE). All practice questions are original and were written by our team based on publicly available exam objectives. All trademarks are the property of their respective owners.

Screenshots

Interplay Learning4 screens
HVAC Exam Prep4 screens

Verdict

The call

The clearest difference is iOS requirement: Interplay Learning at 15.0 against HVAC Exam Prep's 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interplay Learning sells 1 in-app purchase, starting at $54.00 per month and HVAC Exam Prep sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Interplay Learning versus HVAC Exam Prep: the parameters behind the verdict, then further details
ParameterInterplay LearningHVAC Exam Prep
PriceFreeFree
Rating3.8 (49 ratings) — better—
Positive reviews26.7% of reviews—
Number of ratings49 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size135 MB3 MB
Age rating4+4+
DeveloperInterplay Learning Inc.MD Shahariar Nazim Joy

In-app purchases

1 purchases

Interplay Learning

Subscriptions1
  • Individual Monthly14 Days trial$54.001 Month
3 purchases

HVAC Exam Prep

Subscriptions2
  • Pro Monthly$9.991 Month
  • Yearly3 Days trial$49.991 Year
One-time1
  • Premium Lifetime$99.99

Questions

Is Interplay Learning free?
Interplay Learning is free to download, with in-app purchases available.
Is HVAC Exam Prep free?
HVAC Exam Prep is free to download, with in-app purchases available.
Do Interplay Learning or HVAC Exam Prep have ads?
Neither Interplay Learning nor HVAC Exam Prep shows ads.

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