# HVAC Load Plus vs ERPNext Workflow

The clearest difference is price: ERPNext Workflow at Free against HVAC Load Plus's $24.99. ERPNext Workflow also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 9 months). HVAC Load Plus's advantage is iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.

ERPNext Workflow is free to download; HVAC Load Plus costs $24.99 up front. HVAC Load Plus sells 1 one-off in-app purchase. ERPNext Workflow asks for nothing beyond the download.

HVAC Load Plus ships an update every 9 months, ERPNext Workflow every 2 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HVAC Load Plus | ERPNext Workflow |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[2.8 (5 ratings)](https://appshunter.io/ios/app/hvac-load-plus/id381608273/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 18 MB | 28 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Midocean Technologies Private Limited](https://appshunter.io/developer/1618472658) |

## What reviewers say

### HVAC Load Plus

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

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 |


### ERPNext Workflow

[App page](https://appshunter.io/ios/app/erpnext-workflow/id6754626633)

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

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Load Plus free?

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

### Is ERPNext Workflow free?

ERPNext Workflow is free to download, with no in-app purchases.

### Do HVAC Load Plus or ERPNext Workflow have ads?

Neither HVAC Load Plus nor ERPNext Workflow shows ads.

### Which is updated more often, HVAC Load Plus or ERPNext Workflow?

HVAC Load Plus ships an update every 9 months, and ERPNext Workflow every 2 months. Most recently, HVAC Load Plus was updated on October 15, 2026 and ERPNext Workflow on October 1, 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.*