Comparison

HVAC Know It All vs HVAC practice test, prepare

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

Head to head
About

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.

Highlights
  • Educational discussions
  • Professional networking
  • Skill enhancement
  • Trade knowledge sharing
  • Technician resources
Read full description

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

About

HVAC practice test, prepare

Prepare for HVAC certification exams with this comprehensive app. It offers realistic simulations, detailed progress tracking, and error analysis to help you master all exam categories. Enjoy an ad-free learning experience with saved favorites and intensive practice modes.

Highlights
  • Complete Q&A for all categories
  • Realistic exam mode simulations
  • Save and review favorite questions
  • Track visible progress
  • Marathon mode for intensive practice
  • Detailed error analysis
Features
Read full description

Prepare thoroughly for your HVAC Certification with our comprehensive app. Features include: - Complete Q&A for all categories - Realistic exam mode simulations - Save and review your favorite questions - Track your visible progress - Marathon mode for intensive practice - Detailed error analysis for improvement - Completely ad-free experience

Screenshots

HVAC Know It All3 screens
HVAC practice test, prepare4 screens

Verdict

The call

The clearest difference is review sentiment: HVAC Know It All at 84% against HVAC practice test, prepare's 0%. HVAC Know It All also leads on rating (4.8 vs 4.4) and ratings volume (224 vs 14). HVAC practice test, prepare's advantage is monetization model (free with in-app purchases vs subscription) and device support (3 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HVAC Know It All sells 2 in-app purchases, starting at $0.99 per month and HVAC practice test, prepare sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

HVAC Know It All holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: HVAC Know It All has 224 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 84% of HVAC Know It All's written reviews are positive against 0% of HVAC practice test, prepare's.

UpkeepUpdate frequency

HVAC Know It All ships an update every 6 months, HVAC practice test, prepare every 12 months. Both last shipped on November 3, 2026.

Scorecard7 real differences · 3 level
HVAC Know It All versus HVAC practice test, prepare: the parameters behind the verdict, then further details
ParameterHVAC Know It AllHVAC practice test, prepare
PriceFreeFree
Rating4.8 (224 ratings) — better4.4 (14 ratings)
Positive reviews83.7% of reviews — better0.0% of reviews
Number of ratings224 — better14
Update frequencyEvery 6 months — betterEvery 12 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size67 MB14 MB
Age rating17+4+
DeveloperHVAC Know It All Inc.Danila Danilenko

Customer experience

HVAC Know It All

All ratings221 ratings
Positive95.5%
Neutral0.9%
Negative3.6%
Written reviews49 reviews
Positive83.7%
Neutral0.0%
Negative16.3%

HVAC practice test, prepare

All ratings14 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

HVAC Know It All

Requested features

1 request
  • More content for the residential group

HVAC practice test, prepare

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

HVAC Know It All

Subscriptions2
  • Monthly Subscription7 Days trial$0.991 Month
  • Yearly Subscription7 Days trial$9.991 Year
1 purchases

HVAC practice test, prepare

One-time1
  • Access to all questions$7.99

Questions

Is HVAC Know It All free?
HVAC Know It All is free to download, with in-app purchases available.
Is HVAC practice test, prepare free?
HVAC practice test, prepare is free to download, with in-app purchases available.
Which has better reviews, HVAC Know It All or HVAC practice test, prepare?
HVAC Know It All is rated higher. HVAC Know It All averages 4.8 out of 5 from 224 ratings, while HVAC practice test, prepare averages 4.4 from 14 ratings.
Do HVAC Know It All or HVAC practice test, prepare have ads?
Neither HVAC Know It All nor HVAC practice test, prepare shows ads.
Which is updated more often, HVAC Know It All or HVAC practice test, prepare?
HVAC Know It All ships an update every 6 months, and HVAC practice test, prepare every 12 months. Most recently, HVAC Know It All was updated on November 3, 2026 and HVAC practice test, prepare on November 3, 2026.

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