Comparison

FK Connect vs HVAC Tech Toolkit

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

Head to head

FK Facades Limited

About

FK Connect

Features

Read full description

FK Connect supports you in tracking your daily work by digitising and streamlining site management

About

HVAC Tech Toolkit

Read full description

HVAC Tech Tool Kit is the ultimate mobile companion for HVAC professionals working in the field. Designed to streamline your workflow and boost efficiency, this app offers a suite of powerful tools tailored to the needs of technicians. Key Features: Ventilation calculators for airflow, duct sizing, and static pressure Refrigeration calculators for superheat, subcooling, and system performance Premium Features: Generic service and maintenance forms Generate and export professional PDF reports Intuitive interface built for speed and accuracy Whether you're troubleshooting a system or documenting a routine check, HVAC Tech Tool Kit helps you get the job done faster—with precision and professionalism.

Screenshots

FK Connect1 screens

HVAC Tech Toolkit4 screens

Verdict

The call

The clearest difference is in-app purchases: FK Connect at none against HVAC Tech Toolkit's 2. FK Connect also leads on iOS requirement (12.4 vs 17.6). HVAC Tech Toolkit's advantage is update cadence (weekly vs every 5 weeks). On price, ads 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. HVAC Tech Toolkit sells 2 in-app purchases, starting at $1.99 per month. FK Connect asks for nothing beyond the download.

UpkeepUpdate frequency

FK Connect ships an update every 5 weeks, HVAC Tech Toolkit weekly. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 3 level

FK Connect versus HVAC Tech Toolkit: the parameters behind the verdict, then further details
Parameter	FK Connect	HVAC Tech Toolkit
Price	Free	Free
Update frequency	Every 5 weeks	Weekly — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	12.4 — better	17.6
Further details — not scored
Size	26 MB	16 MB
Age rating	4+	4+
Developer	FK Facades Limited	Matthew Catchpole

In-app purchases

None

FK Connect

No in-app purchases

2 purchases

HVAC Tech Toolkit

Subscriptions1

Premium Membership1 Month trial$1.991 Month

One-time1

Premium Membership$1.99

Questions

Is FK Connect free?

FK Connect is free to download, with no in-app purchases.

Is HVAC Tech Toolkit free?

HVAC Tech Toolkit is free to download, with in-app purchases available.

Do FK Connect or HVAC Tech Toolkit have ads?

Neither FK Connect nor HVAC Tech Toolkit shows ads.

Which is updated more often, FK Connect or HVAC Tech Toolkit?

FK Connect ships an update every 5 weeks, and HVAC Tech Toolkit weekly. Most recently, FK Connect was updated on October 11, 2026 and HVAC Tech Toolkit on October 5, 2026.