# E3 Drying vs Dri

The clearest difference is rating: E3 Drying at 5.0 against Dri's 3.8. E3 Drying also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 18.0). 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.

E3 Drying holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 10 and 4 respectively.

E3 Drying ships an update every 3 weeks, Dri every 3 months. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | E3 Drying | Dri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/e3-drying/id1513574356/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/dri-eaz-command-center-pro/id1591491354/reviews) |
| Number of ratings | **10** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 68 MB | 32 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Scott Dewald](https://appshunter.io/developer/1513574355) | [Legend Brands](https://appshunter.io/developer/484266599) |

## What reviewers say

### E3 Drying

[App page](https://appshunter.io/ios/app/e3-drying/id1513574356)

This utility app provides water mitigation professionals with proprietary algorithms and metrics to precisely control drying chambers. It introduces a patent-pending E3 metric to evaluate evaporation ability and set daily targets, allowing for optimized equipment selection and performance comparison.

**Highlights:** Proprietary algorithms for drying chamber control, Patent-pending E3 metric for evaporation evaluation, Daily E3 targets for various equipment and conditions, Equipment ranking and comparison, Control regardless of chamber size or outside conditions

**Features:** macOS Compatibility

**In-app purchases:** none


### Dri

[App page](https://appshunter.io/ios/app/dri-eaz-command-center-pro/id1591491354)

Manage your jobs and business efficiently with this app. It uses Bluetooth and WiFi connectivity to streamline operations, making your work easier and more profitable.

**Highlights:** Bluetooth and WiFi connectivity, Job management, Business operations, Increased efficiency, Profitability enhancement

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

**In-app purchases:** none


## Frequently asked questions

### Is E3 Drying free?

E3 Drying is free to download, with no in-app purchases.

### Is Dri free?

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

### Which has better reviews, E3 Drying or Dri?

E3 Drying is rated higher. E3 Drying averages 5.0 out of 5 from 10 ratings, while Dri averages 3.8 from 4 ratings.

### Do E3 Drying or Dri have ads?

Neither E3 Drying nor Dri shows ads.

### Which is updated more often, E3 Drying or Dri?

E3 Drying ships an update every 3 weeks, and Dri every 3 months. Most recently, E3 Drying was updated on June 4, 2026 and Dri on September 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.*