Comparison

608 Practice vs HVACR Learning Network by ESCO

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

Head to head
About

608 Practice

Prepare for your EPA 608 certification with hundreds of up-to-date practice questions. The app offers both a practice mode and a timed test mode with detailed review to help you identify areas needing improvement across Core, Type I, Type II, and Type III exams.

Highlights
  • Hundreds of practice questions
  • Up-to-date content (2018-2020)
  • Core, Type I, II, III exam sections
  • Practice mode
  • Timed test mode
  • Review missed questions
Features
Read full description

Prepare for your Section 608 certification exam with the most comprehensive study app available. Whether you're going for Type I, Type II, Type III, or Universal certification, 608 Practice has everything you need to pass. Hundreds of Practice Questions Study from a massive question bank covering all four exam sections: Core, Type I, Type II, and Type III. Every question has four answer options and a detailed explanation, just like the real exam. New questions are added regularly. Pressure-Temperature Chart Questions Practice reading PT charts the way you will on the real exam. An interactive chart covering R-22, R-134a, R-410A, R-404A, and R-32 is built right into the questions. Calculate superheat, subcooling, identify refrigerants, and compare pressures across different refrigerants. 5 Study Modes Per Section Cram Mode - Read through every question with the correct answer and explanation shown. Absorb the material before testing yourself. Study - Answer questions at your own pace with instant feedback. Your position is saved so you can pick up where you left off. Smart Practice - The app tracks what you get wrong and builds focused sessions around your weak spots. 75% of questions come from your weakest areas, 25% from material you haven't seen yet. Questions you master (3 correct in a row) are excluded so you spend time where it matters. Mock Exam - Simulate the real exam with 25 random questions. 72% required to pass, just like the actual certification test. Review your answers with full explanations after each attempt. Most Missed - See which questions you get wrong most often, organized by section. As you master questions, they leave the list automatically. Track Your Progress Study streak counter to keep you motivated Per-section readiness scores Mastery tracking for every question (3 correct answers in a row = mastered) Best test scores by section Full history of practice and test results Study Reminders Set daily or weekly notifications to keep your study habit consistent. Choose your preferred time and frequency. Works Offline All questions are stored on your device. Study anywhere, anytime, with no internet required. Questions sync automatically in the background when updates are available. Built for the Real Exam 72% passing score, matching the actual Section 608 exam 25 questions per test, same as the certification Four answer options per question, just like the real thing Covers all current regulations including the AIM Act and 2026 rule changes Privacy First No account required. No personal data collected. All your progress stays on your device.

About

HVACR Learning Network by ESCO

Access HVACR courses, communities, and resources on the go. Stay updated with industry trends and engage with peers. Ideal for professionals and students preparing for certifications and sharpening technical skills.

Highlights
  • Access enrolled courses and study materials
  • Stay updated on industry trends
  • Engage with HVACR professionals
  • Receive important notifications
  • Access specialized learning groups
Read full description

Extend Your HVACR Learning Network Experience Anytime, Anywhere! The HVACR Learning Network App is the perfect companion for HVACR professionals and students who want to stay connected to their learning community on the go. Designed for those who already have accounts on the HVACR Learning Network (ESCO eLearning), this app gives you instant access to your courses, communities, and resources whenever you need them. Whether you’re preparing for the EPA Section 608 Certification exam, diving into A2L refrigerants, sharpening your skills as a technician, or staying engaged with the latest discussions in the Temp Talk Community, the HVACR Learning Network App has you covered! Key Features: - Access all your enrolled courses and study materials wherever you are. - Stay updated with the latest industry trends, tips, and discussions within the Temp Talk Community. - Engage with fellow HVACR professionals and peers in specialized learning groups and forums. - Receive notifications for important updates, assignments, and community posts directly to your mobile device. Download the HVACR Learning Network App today and keep your HVACR learning journey moving, no matter where you are!

Screenshots

608 Practice4 screens
HVACR Learning Network by ESCO4 screens

Verdict

The call

The clearest difference is review sentiment: 608 Practice at 60% against HVACR Learning Network by ESCO's 0%. 608 Practice also leads on rating (3.9 vs 1.3) and in-app purchases (none vs 1). HVACR Learning Network by ESCO's advantage is price (Free vs $12.99). On update cadence, ads, monetization model 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

HVACR Learning Network by ESCO is free to download; 608 Practice costs $12.99 up front. HVACR Learning Network by ESCO sells 1 one-off in-app purchase. 608 Practice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

608 Practice holds the better App Store score, 3.9 against 1.3. That said, the two scores are not equally well evidenced: 608 Practice has 120 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 60% of 608 Practice's written reviews are positive against 0% of HVACR Learning Network by ESCO's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 5 level
608 Practice versus HVACR Learning Network by ESCO: the parameters behind the verdict, then further details
Parameter608 PracticeHVACR Learning Network by ESCO
Price$12.99Free — better
Rating3.9 (120 ratings) — better1.3 (4 ratings)
Positive reviews60.0% of reviews — better0.0% of reviews
Number of ratings120 — better4
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
Best chart rank#11 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size28 MB65 MB
Age rating4+17+
DeveloperAfter Hours Data Systems LLCEsco Institute Ltd

Customer experience

608 Practice

All ratings118 ratings
Positive66.9%
Neutral10.2%
Negative22.9%
Written reviews65 reviews
Positive60.0%
Neutral15.4%
Negative24.6%

HVACR Learning Network by ESCO

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

608 Practice

Reported bugs

10 issues
  • App crashes
  • App freezes
  • Screen rotation causes app to stop working
  • Answers marked incorrectly
  • App not working with iOS 13
Show 5 more
  • Cannot see or scroll to bottom of app
  • Questions and answers show as undefined
  • Answers change after moving to next question
  • Cannot go back during tests
  • Review portion of tests not fully visible

Requested features

9 requests
  • Restore old version
  • Allow viewing all questions
  • Add mode for fewer questions
  • Shuffle questions option
  • Bookmark questions
Show 4 more
  • Landscape mode for iPads
  • Explain wrong answers
  • Update for new regulations
  • Mark study progress

HVACR Learning Network by ESCO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

608 Practice

No in-app purchases

1 purchases

HVACR Learning Network by ESCO

One-time1
  • Low GWP Refrigerant Safety$39.95

Questions

Is 608 Practice free?
608 Practice costs $12.99, with no in-app purchases.
Is HVACR Learning Network by ESCO free?
HVACR Learning Network by ESCO is free to download, with in-app purchases available.
Which has better reviews, 608 Practice or HVACR Learning Network by ESCO?
608 Practice is rated higher. 608 Practice averages 3.9 out of 5 from 120 ratings, while HVACR Learning Network by ESCO averages 1.3 from 4 ratings.
Do 608 Practice or HVACR Learning Network by ESCO have ads?
Neither 608 Practice nor HVACR Learning Network by ESCO shows ads.
Which is updated more often, 608 Practice or HVACR Learning Network by ESCO?
608 Practice ships an update every 6 weeks, and HVACR Learning Network by ESCO every 6 weeks. Most recently, 608 Practice was updated on October 26, 2026 and HVACR Learning Network by ESCO on October 24, 2026.

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