# Dri vs SERVPRO Ready Plan

The clearest difference is update cadence: SERVPRO Ready Plan at every 3 weeks against Dri's every 13 months. Dri's advantage is iOS requirement (13.0 vs 15.0). 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, SERVPRO Ready Plan every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Dri | SERVPRO Ready Plan |
| --- | --- | --- |
| 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 | 30 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legend Brands](https://appshunter.io/developer/484266599) | [Servpro Industries, Inc.](https://appshunter.io/developer/489247433) |

## 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


### SERVPRO Ready Plan

[App page](https://appshunter.io/ios/app/servpro-ready-plan/id6749275158)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dri free?

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

### Is SERVPRO Ready Plan free?

SERVPRO Ready Plan is free to download, with no in-app purchases.

### Do Dri or SERVPRO Ready Plan have ads?

Neither Dri nor SERVPRO Ready Plan shows ads.

### Which is updated more often, Dri or SERVPRO Ready Plan?

Dri ships an update every 13 months, and SERVPRO Ready Plan every 3 weeks. Most recently, Dri was updated on October 9, 2026 and SERVPRO Ready Plan on October 8, 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.*