# Psychrometric Chart vs Cloud

The clearest difference is price: Cloud at Free against Psychrometric Chart's $59.99. Cloud also leads on update cadence (weekly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Cloud is free to download; Psychrometric Chart costs $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Psychrometric Chart ships an update every 3 months, Cloud weekly. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Psychrometric Chart | Cloud |
| --- | --- | --- |
| Price | $59.99 | **Free** |
| Rating | **[4.4 (34 ratings)](https://appshunter.io/ios/app/psychrometric-chart/id1026273214/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | — |
| Size | 32 MB | 203 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pheinex, LLC](https://appshunter.io/developer/996932317) | [Innova Software](https://appshunter.io/developer/498244736) |

## What reviewers say

### Psychrometric Chart

[App page](https://appshunter.io/ios/app/psychrometric-chart/id1026273214)

An interactive tool for HVAC engineers to create and manipulate psychrometric charts. Model various air processes, add and adjust state points with live property updates, and save multiple charts. Export your designs as PDFs or via AirPrint.

**Highlights:** Interactive psychrometric charts, Model air mixing and heating/cooling, Live state point adjustment, SI and IP unit support, Save and manage multiple charts, Export charts as PDF, AirPrint compatibility

**Features:** Vision Pro support

**In-app purchases:** none


### Cloud

[App page](https://appshunter.io/ios/app/cloud-ta-lite/id6752683585)

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

**In-app purchases:** none


## Frequently asked questions

### Is Psychrometric Chart free?

Psychrometric Chart costs $59.99, with no in-app purchases.

### Is Cloud free?

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

### Do Psychrometric Chart or Cloud have ads?

Neither Psychrometric Chart nor Cloud shows ads.

### Which is updated more often, Psychrometric Chart or Cloud?

Psychrometric Chart ships an update every 3 months, and Cloud weekly. Most recently, Psychrometric Chart was updated on September 20, 2026 and Cloud on September 13, 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.*