# Allday HVAC Calc vs Transco Intermodal

The clearest difference is in-app purchases: Transco Intermodal at none against Allday HVAC Calc's 1. Allday HVAC Calc's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Allday HVAC Calc sells 1 one-off in-app purchase. Transco Intermodal asks for nothing beyond the download.

## The numbers

| Metric | Allday HVAC Calc | Transco Intermodal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/allday-hvac-calc/id6446276144/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 38 MB | 20 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrii Pankov](https://appshunter.io/developer/1677093604) | [Softwater Solutions Limited](https://appshunter.io/developer/1704326099) |

## What reviewers say

### Allday HVAC Calc

[App page](https://appshunter.io/ios/app/allday-hvac-calc/id6446276144)

This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

**Highlights:** Psychrometric air property calculations, Pipe velocity and pressure loss calculation, Duct speed and pressure loss calculation, Interdependent parameter calculations, Reference formulas included, SI and IP unit support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Allday Design Assist | $4.99 | one-time |


### Transco Intermodal

[App page](https://appshunter.io/ios/app/transco-intermodal/id6736969356)

**In-app purchases:** none


## Frequently asked questions

### Is Allday HVAC Calc free?

Allday HVAC Calc is free to download, with in-app purchases available.

### Is Transco Intermodal free?

Transco Intermodal is free to download, with no in-app purchases.

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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.*