# HVAC Load Plus vs EcoMeter Pro

The clearest difference is price: EcoMeter Pro at Free against HVAC Load Plus's $24.99. EcoMeter Pro also leads on rating (5.0 vs 2.8) and update cadence (daily vs every 9 months). HVAC Load Plus's advantage is chart position (#199 vs unranked) and ratings volume (5 vs 1). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

EcoMeter Pro is free to download; HVAC Load Plus costs $24.99 up front. HVAC Load Plus sells 1 one-off in-app purchase and EcoMeter Pro sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

EcoMeter Pro holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: HVAC Load Plus has 5 ratings behind it against 1, so its average is the more settled of the two.

HVAC Load Plus ships an update every 9 months, EcoMeter Pro daily. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | HVAC Load Plus | EcoMeter Pro |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | [2.8 (5 ratings)](https://appshunter.io/ios/app/hvac-load-plus/id381608273/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecometer-pro/id6755688522/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#199** | — |
| Size | 18 MB | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, 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 Load Plus

[App page](https://appshunter.io/ios/app/hvac-load-plus/id381608273)

**Currently charting:** #199 Top Paid · Productivity (US App Store)

Perform detailed heating and cooling load calculations for buildings in the field using your iPhone. Access a vast weather database and construction data to generate comprehensive reports that can be emailed or exported to spreadsheets.

**Highlights:** Detailed heating and cooling load calculations, 1000+ city weather database, Extensive construction type data, Unlimited project creation and storage, Comprehensive load breakdown reports, Emailable HTML reports with spreadsheet attachments, Company information display on reports

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Equipment Locator | $9.99 | one-time |


### 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 Load Plus free?

HVAC Load Plus costs $24.99, and also offers in-app purchases.

### Is EcoMeter Pro free?

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

### Which has better reviews, HVAC Load Plus or EcoMeter Pro?

EcoMeter Pro is rated higher. HVAC Load Plus averages 2.8 out of 5 from 5 ratings, while EcoMeter Pro averages 5.0 from 1 ratings.

### Do HVAC Load Plus or EcoMeter Pro have ads?

Neither HVAC Load Plus nor EcoMeter Pro shows ads.

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

HVAC Load Plus ships an update every 9 months, and EcoMeter Pro daily. Most recently, HVAC Load Plus was updated on September 9, 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.*