# AirMaxx Lite vs CoolCalc Scan

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | AirMaxx Lite | CoolCalc Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/airmaxx-lite/id1319340072/reviews)** | [2.6 (7 ratings)](https://appshunter.io/ios/app/coolcalc-scan/id6738354891/reviews) |
| Number of ratings | 7 | 7 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 23 MB | 11 MB |
| Requires iOS | **9.3** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [National Comfort Institute, Inc.](https://appshunter.io/developer/1097845247) | [Cool Calc Inc.](https://appshunter.io/developer/1878735367) |

## What reviewers say

### AirMaxx Lite

[App page](https://appshunter.io/ios/app/airmaxx-lite/id1319340072)

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:** macOS Compatibility

**In-app purchases:** none


### CoolCalc Scan

[App page](https://appshunter.io/ios/app/coolcalc-scan/id6738354891)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*