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Best Iso 8502-4 Apps

229+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated June 2026

Decibel X is the household name in ISO 8502-4, but it's far from the only option. We track 229+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Iso 8502-4

Decibel X:dB Sound Level Meter#1

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.7😐(156K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

Transform your iOS device into a professional sound level meter with pre-calibrated accuracy and various frequency spectrum analysis tools. Measure sound pressure levels, export data to Health app, and enjoy features like FFT graphs, dosimeter readings, and InstaDecibel for social sharing. Experience the convenience of tracking noise levels with precision and ease.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
HVACR Check & Charge#2

HVACR Check & Charge by Copeland LP

PT Charts Superheat Subcooling
Strong Contender
🔍 Reference
4.8😊(16K ratings)
Free
HVACR Check & Charge screenshot 1
HVACR Check & Charge screenshot 2
HVACR Check & Charge screenshot 3
HVACR Check & Charge screenshot 4
HVACR Check & Charge screenshot 5
HVACR Check & Charge screenshot 6

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

What We Love

  • 🚀 Convenient
  • 🚀 Great program
  • 🚀 Reliable app
  • 🚀 Easy and quick charging reference

Room to Improve

  • 🐛 Pressure settings not helpful
  • 🔒 Concerning privacy policy
  • 🐛 Restricted temperature range
Pitch Gauge#3

Pitch Gauge by Pitch Gauge LLC

Roofing & Construction
Worth Considering
💼 Business
3.8😐(261 ratings)
FreeAdsIn-App Purchases
Pitch Gauge screenshot 1
Pitch Gauge screenshot 2
Pitch Gauge screenshot 3
Pitch Gauge screenshot 4
Pitch Gauge screenshot 5
Pitch Gauge screenshot 6

Pitch Gauge is a roofing tool that accurately measures the pitch of a roof to assist with construction and renovation projects. Simply download the app to easily determine roof pitch angles and improve your roofing work today.

What We Love

  • 🚀 Accurate roof measurements and square footage calculations
  • 👍 User-friendly interface and easy to learn
  • ⭐ Excellent customer service and responsive support team
  • 🎯 Saves time on job estimates and measurements

Room to Improve

  • 🐛 Frequent app crashes and stability issues
  • ❌ Poor customer service responsiveness in recent years
  • 📉 Declining reliability over time with each update

More Iso 8502-4 apps to explore

4
EagleView
EagleView
EagleView
Accurate roof and wall reports
Free

Get accurate roof and wall reports instantly with the EagleView App. Order property measurements, generate estimates, and visualize improvements easily. Download the FREE app today!

💼 Business
(9.6K)
5
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

Estimate concrete quantities with ease using 15 free calculators available in the app for various construction projects such as slabs, walls, and columns. Input dimensions in different units and receive results in both US customary and metric measurements. Access these trusted calculators by visiting www.inchcalculator.com.

🔧 Utilities
(21K)
6
Copeland Mobile
Copeland Mobile
Copeland Mobile
by Copeland LP
Free

Access over 30 years of Copeland product information with the intuitive Copeland™ Mobile app. Get instant access to air conditioning and refrigeration product specifications, parts listings, wiring diagrams, compressor diagnostics, and more, designed specifically for the HVACR service industry. Download now for on-the-go support and troubleshooting. For more information, visit https://climate.emerson.com/mobileapps.

🔍 Reference
(5K)
7
Bubble Level Plus+
Bubble Level Plus+
Bubble Level Plus+
+ Angle Meter & Tilt Meter
Free

Bubble Level Plus is a handy tool that functions as an angle meter for precise measurements. Ensure accuracy in leveling with this intuitive application.

🔧 Utilities
(15K)
8
Fieldpiece Job Link
Fieldpiece Job Link
Fieldpiece Job Link
by Fieldpiece Instruments
Free

Fieldpiece Job Link System is a comprehensive app that works with HVACR wireless tools to assist in troubleshooting and evaluating HVACR systems. It serves as a central hub for HVACR professionals to connect their tools to streamline their work processes. Join Job Link to simplify your HVACR tasks and business operations.

💼 Business
(445)
9
Ref Tools
Ref Tools
Ref Tools
All-in-one HVACR app
Free

This all-in-one HVACR app provides essential tools for technicians, including refrigerant calculators, troubleshooting guides, and product finders, to streamline workflow and increase efficiency. Download the app to access a collection of useful tools and resources to help you get the job done quickly and effectively.

🔧 Utilities
(47)
10
Munters PsychroApp
Munters PsychroApp
Munters PsychroApp
by Munters Europe AB
Free

This application is a psychrometric calculation tool that allows users to accurately calculate the thermodynamic properties of moist air, including dew point, humidity ratio, and enthalpy, making it easy to determine total, sensible, latent, and moisture loads of any process. With easy-to-use input and output options, users can quickly get the insights they need for their job, and make conversions between different units.

📊 Productivity
(5)
11
608 Practice
608 Practice
608 Practice
Prepare for your Certification
$12.99

Prepare for your EPA 608 Certification with a comprehensive practice app offering up-to-date questions for Core, Type I, Type II, and Type III tests. Features practice and test modes for effective review. Get ready to ace your exam!

📚 Education
(113)
12
CE HVAC Pro+
CE HVAC Pro+
CE HVAC Pro+
HVAC Tools
Free

An HVAC tool application offering HVAC technicians easy access to warranty entitlement, inventory, order status, manuals, and tech specs for various models. It aims to support technicians with quality products, expert technical assistance, and business growth, positioning itself as a leading HVAC supplier. Experience real-time product availability and streamline your HVAC tasks with this free app.

📊 Productivity
(1.5K)
13
Ozinga Concrete Calculator
Ozinga Concrete Calculator
Ozinga Concrete Calculator
by Ozinga Ready Mix Concrete, Inc.
Free

This application helps users calculate and estimate the amount of concrete needed for various projects, such as flatwork, footings, walls, and columns, and share the results with suppliers or contractors. With it, users can also get quotes, place orders, and ask product-related questions with customer service representatives if they are within the service area.

🔧 Utilities
(18)
14
P-T Calculator
P-T Calculator
P-T Calculator
by National Refrigerants, Inc.
Free

This comprehensive calculation tool helps HVAC/R technicians with pressure/temperature relationships, superheat/subcool temperatures, and refrigerant calculations, featuring automatic altitude correction and unit conversions. Download the app to easily perform calculations, access refrigerant information, and utilize handy tools to streamline your work.

🔍 Reference
(51)
15
Phoenix Psychrometric Calculator
Phoenix Psychrometric Calculator
Phoenix Psychrometric Calculator
by Therma-Stor, LLC
Free

This application provides quick and easy access to psychrometric calculations, allowing users to track their job effectively by calculating dew point, grains per pound, and dehumidifier performance. Simply enter temperature and relative humidity, and the app outputs the corresponding calculations, giving users valuable insights in the palm of their hand.

📊 Productivity
(3)
16
GAF QuickMeasure
GAF QuickMeasure
GAF QuickMeasure
Fast & Accurate Roof Reports
Free

Get quick and accurate measurements on the go with our innovative app that simplifies the process of measuring distances and dimensions. Experience convenience and efficiency in your everyday tasks with just a tap of your screen.

💼 Business
(835)
17
Chemical Safety Data Sheets - ICSC
Chemical Safety Data Sheets - ICSC
Chemical Safety Data Sheets - ICSC
by ThatsMyStapler Inc.
Free

Access succinct safety information about chemicals with this app that provides concise two-page summaries from the International Chemical Safety Cards (ICSC) by UNEP, ILO, and WHO. Ideal for quick reference in various industrial settings, helping to enhance workplace safety alongside MSDS or when MSDS are not available.

🏥 Medical
(145)
18
Fit Tolerance ISO
Fit Tolerance ISO
Fit Tolerance ISO
Fits and Tolerances Calculator
Free
🔧 Utilities
(2)
19
NIOSH Mobile Pocket Guide
NIOSH Mobile Pocket Guide
NIOSH Mobile Pocket Guide
Chemical Hazard Data
Free

This application provides a comprehensive guide to chemical hazards, offering key information and data on 677 chemicals found in the work environment, helping users recognize and control occupational chemical hazards. It allows users to search, bookmark, and share chemical information, and access additional resources, making it a valuable tool for workers, employers, and occupational health professionals.

💪 Health & Fitness
(17)
20
HazMat Test & ERG 2024
HazMat Test & ERG 2024
HazMat Test & ERG 2024
CDL HazMat Test & Prep
Free

Prepare for your commercial driver license hazardous materials endorsement test with this app on your iPhone or iPad. With over 110 multiple-choice questions, track your progress, choose your timer settings, and receive detailed scores via email. Shake your device to skip questions and enjoy cool sound effects while you study. Access "HazMat Safety Tips" and improve your knowledge today.

📚 Education
(2K)

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