Comparison

Wire Color Code vs HVAC Calculator Load Pro

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

Head to head
About

Wire Color Code

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

Highlights
  • Global country-specific wire color codes
  • Extensive circuit database (up to 1000 circuits)
  • Quick search for phase colors
  • Customizable phase colors for projects
  • User-friendly interface
Features
Read full description

Introducing Wire Color Code, your go-to companion for electrical panel wiring across the globe! Whether you're an experienced electrician or a DIY enthusiast, this app is designed to simplify the complexities of circuit identification by adhering to the electrical norms of various countries. Key Features: 1. Global Compatibility: Choose your country from a comprehensive list to access accurate and country-specific wire color codes. Stay compliant with local regulations, ensuring safety and efficiency in your electrical installations. 2. Extensive Circuit Database: Access information for up to 1000 circuits, providing a wealth of data for your wiring projects. Effortlessly navigate through circuit numbers to find the precise color codes you need. 3. Quick Search Functionality: Save time with our intuitive search feature, allowing you to swiftly locate the phase color for a specific circuit number. 4. Customization for Your Project: Tailor the app to match your current project requirements by modifying phase colors. Enhance project organization and clarity by adjusting colors to align with your unique preferences. 5. User-Friendly Interface: Enjoy a sleek and user-friendly design that facilitates easy navigation and quick access to essential information. Why Wire Color Code? Reliability: Trust in accurate and up-to-date wire color information based on local electrical norms. Efficiency: Streamline your workflow and reduce errors with quick access to circuit color codes. Global Applicability: Perfect for electricians working on projects worldwide, ensuring adherence to diverse electrical standards. Stay ahead of the curve in electrical panel wiring with Wire Color Code. Download the app today and experience the convenience of a comprehensive, globally-aware solution for all your circuit identification needs.

About

HVAC Calculator Load Pro

This tool provides fast, accurate HVAC load calculations for residential systems. It helps professionals size furnaces, air conditioners, and gas equipment correctly, avoiding guesswork and spreadsheets for confident client recommendations and more closed bids.

Highlights
  • Fast HVAC BTU calculations
  • Residential furnace & AC sizing
  • Climate-aware calculations
  • Reduces sizing errors
  • Client-ready results
  • Saves time on estimates
Features
Read full description

Trusted by Home Service Professionals. HVAC Calculator Load Pro is a fast, accurate, and field-ready HVAC calculator designed for professionals who need confidence, clarity, and speed when sizing residential HVAC systems. Size furnaces, air conditioners, and natural gas equipment correctly - without spreadsheets, guesswork, or rule-of-thumb estimates. Unlike generic Manual J calculators, HVAC Calculator Load Pro is built specifically for real-world residential sales and service. With climate-aware calculations, wind factor considerations, and clear client-ready results, you can: • Build trust faster • Explain recommendations with confidence • Win more bids • Avoid costly sizing mistakes If you’ve ever struggled with traditional HVAC calculations, this app was built for you. Whether you’re: • Replacing a furnace • Adding air conditioning • Decoding a hot water tank • Sizing new natural gas appliances HVAC Calculator Load Pro helps you size equipment correctly in half the time - right from your phone or iPad. Ideal For: • HVAC technicians • HVAC sales professionals • Comfort advisors • Home service contractors • Residential retrofit specialists Key Benefits: • Fast, field-ready HVAC BTU calculations • Residential furnace & air conditioner sizing • Climate-aware calculations for accurate results • Reduces under-sizing and over-sizing errors • Helps explain system recommendations to homeowners • Saves time on every estimate and service call • Designed for sales techs, comfort advisors, and installers Stop relying on rough estimates or overly complex software. HVAC Calculator BTU Load Pro delivers professional-grade HVAC calculations in a simple, intuitive mobile app - so you can focus on serving customers, closing deals, and growing revenue. Download now and size HVAC systems with confidence.

Screenshots

Wire Color Code4 screens
HVAC Calculator Load Pro4 screens

Verdict

The call

The clearest difference is rating: Wire Color Code at 4.6 against HVAC Calculator Load Pro's 4.0. Wire Color Code also leads on ratings volume (1K vs 1). HVAC Calculator Load Pro's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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. Wire Color Code sells 1 one-off in-app purchase and HVAC Calculator Load Pro sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Wire Color Code holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Wire Color Code has 1K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Wire Color Code ships an update every 2 months, HVAC Calculator Load Pro every 2 weeks. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Wire Color Code versus HVAC Calculator Load Pro: the parameters behind the verdict, then further details
ParameterWire Color CodeHVAC Calculator Load Pro
PriceFreeFree
Rating4.6 (1K ratings) — better4.0 (1 ratings)
Positive reviews42.9% of reviews—
Number of ratings1K — better1
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size13 MB11 MB
Age rating4+4+
DeveloperBonsaisoft LLCRyan Perchak

Customer experience

Wire Color Code

All ratings1,044 ratings
Positive91.0%
Neutral1.8%
Negative7.2%
Written reviews14 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

HVAC Calculator Load Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Wire Color Code

Reported bugs

2 issues
  • App locks users out after switching phones despite previous purchase
  • License/purchase not properly restored on new devices

Requested features

3 requests
  • Ability to change order or hide countries/regions not needed
  • More comprehensive free version with expanded circuit options
  • Better visual design and polish

HVAC Calculator Load Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Wire Color Code

One-time1
  • Pro Version$9.99
4 purchases

HVAC Calculator Load Pro

Subscriptions3
  • HVAC Load Pro - Weekly$3.997 Days
  • HVAC Calculator Load Pro3 Days trial$12.991 Month
  • HVAC Load Pro - Yearly$99.991 Year
One-time1
  • HVAC Load Pro Monthly Subscription$12.99

Questions

Is Wire Color Code free?
Wire Color Code is free to download, with in-app purchases available.
Is HVAC Calculator Load Pro free?
HVAC Calculator Load Pro is free to download, with in-app purchases available.
Which has better reviews, Wire Color Code or HVAC Calculator Load Pro?
Wire Color Code is rated higher. Wire Color Code averages 4.6 out of 5 from 1K ratings, while HVAC Calculator Load Pro averages 4.0 from 1 ratings.
Do Wire Color Code or HVAC Calculator Load Pro have ads?
Neither Wire Color Code nor HVAC Calculator Load Pro shows ads.
Which is updated more often, Wire Color Code or HVAC Calculator Load Pro?
Wire Color Code ships an update every 2 months, and HVAC Calculator Load Pro every 2 weeks. Most recently, Wire Color Code was updated on October 25, 2026 and HVAC Calculator Load Pro on October 10, 2026.

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