# Dri vs Plnar Pro

The clearest difference is review sentiment: Dri at 63% against Plnar Pro's 0%. Dri also leads on iOS requirement (13.0 vs 15.6). Plnar Pro's advantage is rating (4.1 vs 3.6) and update cadence (every 3 weeks vs every 13 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Plnar Pro holds the better App Store score, 4.1 against 3.6. Both are backed by a comparable volume of ratings — 12 and 9 respectively. Written reviews complicate that: 63% of Dri's written reviews are positive against 0% of Plnar Pro's, so the app with the better star average is not the one people write more warmly about.

Dri ships an update every 13 months, Plnar Pro every 3 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Dri | Plnar Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (12 ratings)](https://appshunter.io/ios/app/dri-eaz-psychrometric-calc/id484266596/reviews) | **[4.1 (9 ratings)](https://appshunter.io/ios/app/plnar-pro/id6498866247/reviews)** |
| Number of ratings | **12** | 9 |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 170 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legend Brands](https://appshunter.io/developer/484266599) | [Smart Picture Tech](https://appshunter.io/developer/935564448) |

## 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


### Plnar Pro

[App page](https://appshunter.io/ios/app/plnar-pro/id6498866247)

Effortlessly capture, measure, and model spaces using just smartphone photos. This AI-powered tool transforms images into interactive 2D and 3D models for professionals. Streamline property appraisals, inspections, and claims documentation with unparalleled efficiency.

**Highlights:** AI-powered space modeling, Capture and measure with photos, Generate 2D and 3D models, Seamless property appraisals, Streamlined inspections and claims, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Dri free?

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

### Is Plnar Pro free?

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

### Which has better reviews, Dri or Plnar Pro?

Plnar Pro is rated higher. Dri averages 3.6 out of 5 from 12 ratings, while Plnar Pro averages 4.1 from 9 ratings.

### Do Dri or Plnar Pro have ads?

Neither Dri nor Plnar Pro shows ads.

### Which is updated more often, Dri or Plnar Pro?

Dri ships an update every 13 months, and Plnar Pro every 3 weeks. Most recently, Dri was updated on October 9, 2026 and Plnar Pro on October 10, 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.*