# HVAC Toolkit vs EcoMeter Pro

The clearest difference is price: EcoMeter Pro at Free against HVAC Toolkit's $23.99. EcoMeter Pro also leads on update cadence (daily vs every 6 months). HVAC Toolkit's advantage is in-app purchases (none vs 2). On rating, ratings volume, ads and device support there is nothing between them.

EcoMeter Pro is free to download; HVAC Toolkit costs $23.99 up front. EcoMeter Pro sells 2 in-app purchases, starting at $4.99 per month. HVAC Toolkit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HVAC Toolkit against 5.0 for EcoMeter Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

HVAC Toolkit ships an update every 6 months, EcoMeter Pro daily. The most recent releases landed on September 14, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | HVAC Toolkit | EcoMeter Pro |
| --- | --- | --- |
| Price | $23.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/hvac-toolkit/id354558963/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ecometer-pro/id6755688522/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 50 MB | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [KYLE T WHITE](https://appshunter.io/developer/1855567390) |

## What reviewers say

### HVAC Toolkit

[App page](https://appshunter.io/ios/app/hvac-toolkit/id354558963)

This comprehensive toolkit offers essential HVAC calculations and tools for professionals. It combines multiple specialized applications into a single, convenient package for iPhone and iPad users.

**Highlights:** Equipment tracking and customization, Refrigerant pressure-temperature charts, Refrigerant charge calculations, Duct sizing, Cooling and heating load calculations, Psychrometric calculations, Steam tables, Pipe sizing for liquid, steam, and gas

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### EcoMeter Pro

[App page](https://appshunter.io/ios/app/ecometer-pro/id6755688522)

This tool streamlines HVAC airflow balancing and reporting for technicians. It guides users through proportional balancing and generates professional PDF reports for residential and light commercial applications, ensuring speed and accuracy in the field.

**Highlights:** Proportional airflow balancing workflow, Standalone single-system balance reports (PDF), Outlet-level balancing summaries, Fast, repeatable field calculations, Customizable reports with company branding

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EcoMeter Standard – Monthly | $4.99 | per month |
| EcoMeter Standard – Yearly | $39.99 | per year |


## Frequently asked questions

### Is HVAC Toolkit free?

HVAC Toolkit costs $23.99, with no in-app purchases.

### Is EcoMeter Pro free?

EcoMeter Pro is free to download, with in-app purchases available.

### Which has better reviews, HVAC Toolkit or EcoMeter Pro?

HVAC Toolkit and EcoMeter Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do HVAC Toolkit or EcoMeter Pro have ads?

Neither HVAC Toolkit nor EcoMeter Pro shows ads.

### Which is updated more often, HVAC Toolkit or EcoMeter Pro?

HVAC Toolkit ships an update every 6 months, and EcoMeter Pro daily. Most recently, HVAC Toolkit was updated on September 14, 2026 and EcoMeter Pro on June 11, 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.*