# Psychrometrics vs Logipad XPL

The clearest difference is price: Logipad XPL at Free against Psychrometrics's $3.99. Logipad XPL also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (16.0 vs 18.6). Psychrometrics's advantage is chart position (#186 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Logipad XPL is free to download; Psychrometrics costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Psychrometrics ships an update every 3 months, Logipad XPL every 3 weeks. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Psychrometrics | Logipad XPL |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/psychrometrics/id6455889577/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#186** | — |
| Size | 2 MB | 161 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Wassim Murr](https://appshunter.io/developer/1474939474) | [DextraData GmbH](https://appshunter.io/developer/483430332) |

## What reviewers say

### Psychrometrics

[App page](https://appshunter.io/ios/app/psychrometrics/id6455889577)

**Currently charting:** #186 Top Paid · Utilities (US App Store)

This app provides tools for analyzing and quantifying air and moisture properties. It offers a comprehensive calculator, interactive chart, and project management features for HVAC engineers, meteorologists, and industrial professionals. Supports both SI and IP units for versatile use.

**Highlights:** Comprehensive psychrometric calculator, Dual units support (SI/IP), Psychrometric process simulation, Interactive psychrometric chart, HVAC project management, Printable project reports, User-friendly interface

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

**In-app purchases:** none


### Logipad XPL

[App page](https://appshunter.io/ios/app/logipad-xpl/id6648792065)

**In-app purchases:** none


## Frequently asked questions

### Is Psychrometrics free?

Psychrometrics costs $3.99, with no in-app purchases.

### Is Logipad XPL free?

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

### Do Psychrometrics or Logipad XPL have ads?

Neither Psychrometrics nor Logipad XPL shows ads.

### Which is updated more often, Psychrometrics or Logipad XPL?

Psychrometrics ships an update every 3 months, and Logipad XPL every 3 weeks. Most recently, Psychrometrics was updated on November 7, 2026 and Logipad XPL on October 27, 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.*