Comparison

AirMaxx Lite vs CoolCalc Scan

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

Head to head
About

AirMaxx Lite

Quickly calculate HVAC system fan and static pressure performance. Input basic system information and two static pressure measurements to receive clear visual representations of system status. Includes tutorials and articles for guidance.

Highlights
  • Fan airflow performance calculation
  • Static pressure performance calculation
  • Visual system status representation
  • Input nameplate information
  • Two static pressure measurements
  • Includes tutorials and articles
Features
Read full description

The easiest way to quickly calculate Fan Airflow Performance and Static Pressure Performance for HVAC Systems installed in a home or commercial building. Here's how it works: 1 - Collect simple nameplate information from the customers HVAC system 2 - Take two static pressure measurements 3 - The app does the rest! You'll get clean, easy-to-understand visual representations of the status of their system (see screenshots for samples) Included in the app is some helpful tutorials and articles that will help you get started in understanding how to take proper total external static pressure measurements to calculate airflows. Some additional benefits: - Requires no data plan - Simple & clean interface - Test results are displayed visually for easy understanding - Measurement inputs & calculations displayed for verification AirMaxx Lite is a great tool to help you explain the benefits of good airflow to your customers. To learn more about ComfortMaxx, NCI's advanced HVAC performance testing cloud application visit NCLink.com/CMaxx.

About

CoolCalc Scan

Capture precise 3D room scans using your device's LiDAR sensor. Organize projects, integrate with a web platform for advanced visualization, and export models in industry-standard formats. Ideal for professionals needing accurate spatial data.

Highlights
  • Precise LiDAR scanning
  • Detailed 3D model capture
  • Project organization
  • CoolCalc platform integration
  • Industry-standard export formats
  • Multi-room scanning
Features
Read full description

Free Scanning — Paid Web Features This iOS app is a companion to CoolCalc. Scanning is free. To use your scan results for ACCA Manual J, Manual S, or Manual D calculations, you’ll need a separate paid subscription or single-project purchase in app.coolcalc.com, our web app. KEY FEATURES • Precise LiDAR Scanning Capture detailed 3D models of rooms with accurate measurements. Document walls, ceilings, windows, doors, and room geometry with professional-grade precision. • Project Organization Create projects for different properties or jobs. Scan multiple rooms and keep everything organized in one place. • CoolCalc Platform Integration Connect your scans with the CoolCalc web platform. Upload your models for advanced processing and visualization with interactive 3D viewers. • Professional Export Export your 3D models in industry-standard formats. Share scans with clients, colleagues, or use them in other professional tools. • Multi-Room Scanning Document entire properties efficiently. Scan room by room and combine them into complete building models. IDEAL FOR Perfect for HVAC professionals, contractors, architects, interior designers, and anyone who needs accurate spatial measurements for their work. REQUIREMENTS • iPhone or iPad with LiDAR sensor (iPhone 12 Pro and later, iPad Pro 2020 and later) • iOS 17.5 or later • Account required for platform integration features

Screenshots

AirMaxx Lite4 screens
CoolCalc Scan3 screens

Verdict

The call

The clearest difference is rating: AirMaxx Lite at 4.4 against CoolCalc Scan's 2.6. AirMaxx Lite also leads on monetization model (free vs ad-supported) and iOS requirement (9.3 vs 17.5). CoolCalc Scan's advantage is update cadence (every 4 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

AirMaxx Lite holds the better App Store score, 4.4 against 2.6. Both are backed by a comparable volume of ratings — 7 and 7 respectively.

UpkeepUpdate frequency

AirMaxx Lite ships an update every 2 months, CoolCalc Scan every 4 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
AirMaxx Lite versus CoolCalc Scan: the parameters behind the verdict, then further details
ParameterAirMaxx LiteCoolCalc Scan
PriceFreeFree
Rating4.4 (7 ratings) — better2.6 (7 ratings)
Positive reviews—0.0% of reviews
Number of ratings77
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.3 — better17.5
Further details — not scored
Size23 MB11 MB
Age rating4+4+
DeveloperNational Comfort Institute, Inc.Cool Calc Inc.

Customer experience

AirMaxx Lite

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%

CoolCalc Scan

All ratings7 ratings
Positive28.6%
Neutral14.3%
Negative57.1%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

AirMaxx Lite

No in-app purchases

None

CoolCalc Scan

No in-app purchases

Questions

Is AirMaxx Lite free?
AirMaxx Lite is free to download, with no in-app purchases.
Is CoolCalc Scan free?
CoolCalc Scan is free to download, with no in-app purchases.
Which has better reviews, AirMaxx Lite or CoolCalc Scan?
AirMaxx Lite is rated higher. AirMaxx Lite averages 4.4 out of 5 from 7 ratings, while CoolCalc Scan averages 2.6 from 7 ratings.
Do AirMaxx Lite or CoolCalc Scan have ads?
Neither AirMaxx Lite nor CoolCalc Scan shows ads.
Which is updated more often, AirMaxx Lite or CoolCalc Scan?
AirMaxx Lite ships an update every 2 months, and CoolCalc Scan every 4 weeks. Most recently, AirMaxx Lite was updated on October 24, 2026 and CoolCalc Scan on October 17, 2026.

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