Best apps like Vent Pro - Calculation Tool

30+ similar apps compared and reviewed

4.2 avg rating
7 free apps
Updated July 2026

Looking for something like Vent Pro? We've analyzed 30+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to Vent Pro

Roof Ventilator#1

Roof Ventilator by GRANARACO LLC

Attic Ventilation Calculator
Editor's Choice
📊 Productivity
4.3(6 ratings)
FreeIn-App Purchases
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This app calculates attic ventilation requirements based on your attic space and intake ventilation net free areas. It helps design ventilation systems to meet building code limits, suggesting vent quantities and types for optimal function. It also allows you to check existing systems and plan modifications.

Oventrop#2

Oventrop by Oventrop GmbH & Co. KG

Strong Contender
📊 Productivity
5.0(1 ratings)
Free
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This app assists with the design, calculation, and documentation of hydronic balancing for heating systems. It supports various standards and regulations, enabling users to calculate valve presets, heating loads, and radiator sizes. Documentation can be generated in PDF format or printed wirelessly.

AC Calculator Pro#3

AC Calculator Pro by Melchisedec Martinez Rodriguez

Air Conditioner or Heat Pump
Worth Considering
📊 Productivity
5.0(1 ratings)
$4.99
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This app assists HVAC professionals and homeowners with air conditioning and heat pump sizing. It provides detailed calculations for cooling/heating capacity, recommends equipment types, and offers unit equivalences and price estimates.

More apps like Vent Pro

4
RawFlow
RawFlow
RawFlow
Fluid mechanics calculations
Free
📊 Productivity
(0)
5
iFLOW HVAC
iFLOW HVAC
iFLOW HVAC
by iFLOW HVAC INC.
Free

This app provides remote monitoring and troubleshooting for HVAC units. It displays sensor data, allows component testing, and helps diagnose issues through error codes. Users can also configure various operational parameters for heating, cooling, and zoning.

Remote unit monitoringSensor and operational data displayComponent testing mode
📊 Productivity
(0)
free
6
HVAC RefCharge
HVAC RefCharge
HVAC RefCharge
Ref. subcool/superheat calcs
$9.99

This app helps HVAC technicians quickly calculate refrigerant superheat and subcool levels. It supports over 100 refrigerants and offers interactive adjustments for precise charging decisions. Features include atmospheric pressure adjustments and unit customization.

Superheat and subcool calculationsSupports 100+ refrigerantsInteractive slider for adjustments
📊 Productivity
(0)
paid
7
UnitsConv
UnitsConv
UnitsConv
by john selverian
Free

This app provides conversion factors for 28 common properties used in multiphysics simulations and finite element analysis. It's a free tool designed for engineers and researchers working with complex physical models.

28 conversion propertiesMultiphysics simulation supportFinite element analysis (FEA) focus
📊 Productivity
(3)
free
8
HyTools
HyTools
HyTools
by IMI Hydronic Engineering International SA
Free

This app provides HVAC professionals with a comprehensive suite of hydronic calculation tools. It assists with tasks like valve sizing, pressure drop calculations, and radiator power estimation. The tool offers unit conversion and language selection for user convenience.

Hydronic calculatorValve sizing and presettingRadiator power estimation
📊 Productivity
(5)
free
9
TALO Surface Area
TALO Surface Area
TALO Surface Area
Duct Surface area
Free

Calculates the surface area of duct fittings for mechanical engineers and site supervisors. This app helps verify fabricated duct deliveries for payment accuracy, ensuring correct quantities are received.

Surface area calculation for duct fittingsVerification of fabricated duct deliveriesAssists with payment accuracy
📊 Productivity
(1)
free
10
ASHRAE Duct Fitting Database
ASHRAE Duct Fitting Database
ASHRAE Duct Fitting Database
240+ ASHRAE Fittings
$9.99

Perform pressure loss calculations for over 250 ASHRAE duct fittings using both IP and SI units. Easily adjust inputs, create projects, and share detailed reports and spreadsheets via email for field analysis.

Pressure loss calculations for 250+ ASHRAE duct fittingsSupport for IP and SI unitsDynamic illustrations of fittings
📊 Productivity
(1)
paid