# Dri vs MEX5 Update

The clearest difference is update cadence: MEX5 Update at every 3 weeks against Dri's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dri ships an update every 13 months, MEX5 Update every 3 weeks. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Dri | MEX5 Update |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (12 ratings)](https://appshunter.io/ios/app/dri-eaz-psychrometric-calc/id484266596/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 103 MB |
| Requires iOS | **13.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legend Brands](https://appshunter.io/developer/484266599) | [Tramex Ltd](https://appshunter.io/developer/869324736) |

## What reviewers say

### Dri

[App page](https://appshunter.io/ios/app/dri-eaz-psychrometric-calc/id484266596)

This utility app calculates essential drying environment variables. Input temperature and relative humidity to instantly get grains per pound (GPP). Advanced options allow calculation of vapor pressure and air dew point to material, with easy term definitions.

**Highlights:** Calculate grains per pound (GPP), Calculate vapor pressure, Calculate air dew point to material, Switch between F° and C°, Easy-access term definitions

**Features:** macOS Compatibility

**In-app purchases:** none


### MEX5 Update

[App page](https://appshunter.io/ios/app/mex5-update/id6738051182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dri free?

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

### Is MEX5 Update free?

MEX5 Update is free to download, with no in-app purchases.

### Do Dri or MEX5 Update have ads?

Neither Dri nor MEX5 Update shows ads.

### Which is updated more often, Dri or MEX5 Update?

Dri ships an update every 13 months, and MEX5 Update every 3 weeks. Most recently, Dri was updated on October 9, 2026 and MEX5 Update on October 18, 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.*