Comparison

Techno System vs HVAC ToolKit

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

Head to head
About

Techno System

This application assists users in identifying suitable plate heat exchangers for standard civilian uses. It also facilitates contact with technical support for industrial applications and helps locate nearby suppliers. Additional features include a unit converter and a comparison tool for exchangers.

Highlights
  • Identify heat exchangers for civilian applications
  • Contact tech support for industrial applications
  • Find closest supplier
  • Technical measurement unit conversion
  • Compare Techno System exchangers
Features
Read full description

Plate Heat Exchangers in civilian and industrial applications Since 1983 Techno System srl produces high-quality plate heat exchangers, according to European norms (PED, CE marking, ASME, etc.). This App helps the user identifying the right product (exchangers, pre-assembled modules) for standard civilian applications, and contacting our tech support for industrial applications. Furthermore our App allows to find the closest supplier in the chosen zone, and has other interesting features like a conversion unit for technical measurements and a comparison table of similar TS exchangers.

About

HVAC ToolKit

This application provides HVAC engineers with tools for design checks and quick calculations. It offers various calculators for ducting friction, pipe sizing, ventilation, and heat load estimations, with clear instructions and formulas. Users can switch between metric and imperial units, and English or Arabic languages.

Highlights
  • Friction loss calculations
  • Pipe sizing tools
  • Ventilation and pressurization calculators
  • Heat load and pump head estimations
  • Metric/Imperial unit support
  • English/Arabic language options
Features
Read full description

The HVAC ToolKit is an easy-to-use app that has been created to assist HVAC engineers in checking their designs and making quick calculations and estimations. The app includes helpful calculation tools for calculating friction losses in ducting, pipe sizing, parking ventilation, staircase pressurization, and estimating heat loads, pump head, fan ESP, among others, where the user is able to enter the required inputs and is given the calculated output. Each tool also includes instructions and abbreviated formulas that have been used to calculate the results. The app can be set to metric or imperial units and/or to the English or Arabic language. Users are expected to have some knowledge and understanding of HVAC engineering in order to use the tools properly. Users are also expected to check that the results are within an acceptable range for their respective projects. If you come across any inconsistencies while using the app or have any recommendations for additional inclusions, please contact us.

Screenshots

Techno System3 screens
HVAC ToolKit3 screens

Verdict

The call

The clearest difference is price: Techno System at Free against HVAC ToolKit's $9.99. HVAC ToolKit's advantage is update cadence (every 3 months vs every 19 months). On ads, in-app purchases, device support and iOS requirement 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

Techno System is free to download; HVAC ToolKit costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Techno System ships an update every 19 months, HVAC ToolKit every 3 months. The most recent releases landed on June 3, 2026 and September 8, 2026 respectively.

Scorecard3 real differences · 7 level
Techno System versus HVAC ToolKit: the parameters behind the verdict, then further details
ParameterTechno SystemHVAC ToolKit
PriceFree — better$9.99
Rating—1.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 19 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size10 MB60 MB
Age rating4+4+
DeveloperTNX srlMohamad Jaber

Customer experience

Techno System

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

HVAC ToolKit

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Techno System

No in-app purchases

None

HVAC ToolKit

No in-app purchases

Questions

Is Techno System free?
Techno System is free to download, with no in-app purchases.
Is HVAC ToolKit free?
HVAC ToolKit costs $9.99, with no in-app purchases.
Do Techno System or HVAC ToolKit have ads?
Neither Techno System nor HVAC ToolKit shows ads.
Which is updated more often, Techno System or HVAC ToolKit?
Techno System ships an update every 19 months, and HVAC ToolKit every 3 months. Most recently, Techno System was updated on June 3, 2026 and HVAC ToolKit on September 8, 2026.

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