# HVAC Formulator vs Electric heating calculator

The clearest difference is price: Electric heating calculator at Free against HVAC Formulator's $4.99. Electric heating calculator also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 18.6). On ads and device support there is nothing between them.

Electric heating calculator is free to download; HVAC Formulator costs $4.99 up front. HVAC Formulator sells 1 one-off in-app purchase. Electric heating calculator asks for nothing beyond the download.

## The numbers

| Metric | HVAC Formulator | Electric heating calculator |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/hvac-formulator/id318898907/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 73 MB | 39 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### HVAC Formulator

[App page](https://appshunter.io/ios/app/hvac-formulator/id318898907)

This app provides HVAC professionals with over 900 essential formulas and calculations for load calculations and system design. It supports both US and Metric units, offers instant switching, and includes 23 calculator categories and over 460 unit conversions. Designed for field use, it works offline and allows users to save and share results.

**Highlights:** Over 900 formulas and calculations, US & Metric unit support, 23 calculator categories, 460+ unit conversions, 8 temperature scales, Offline functionality, Save and share results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Pro | $3.99 | one-time |


### Electric heating calculator

[App page](https://appshunter.io/ios/app/electric-heating-calculator/id6740424670)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Formulator free?

HVAC Formulator costs $4.99, and also offers in-app purchases.

### Is Electric heating calculator free?

Electric heating calculator is free to download, with no in-app purchases.

### Do HVAC Formulator or Electric heating calculator have ads?

Neither HVAC Formulator nor Electric heating calculator shows ads.

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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.*