# E3 Drying vs OmniAlert

The clearest difference is update cadence: E3 Drying at every 3 weeks against OmniAlert's every 4 months. E3 Drying also leads on ratings volume (10 vs 1) and iOS requirement (12.0 vs 14.0.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for E3 Drying against 5.0 for OmniAlert. That said, the two scores are not equally well evidenced: E3 Drying has 10 ratings behind it against 1, so its average is the more settled of the two.

E3 Drying ships an update every 3 weeks, OmniAlert every 4 months. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | E3 Drying | OmniAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/e3-drying/id1513574356/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/omnialert/id6748705890/reviews) |
| Number of ratings | **10** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 68 MB | 50 MB |
| Requires iOS | **12.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scott Dewald](https://appshunter.io/developer/1513574355) | [OmniSense LLC](https://appshunter.io/developer/1728916360) |

## 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


### OmniAlert

[App page](https://appshunter.io/ios/app/omnialert/id6748705890)

Receive instant job site and sensor alarms directly on your phone. View past alarms and the conditions that triggered them. Configure notification settings via the OmniSense website.

**Highlights:** Instant alarm notifications, View past alarm history, Detailed alarm conditions, Configure settings online, Job site and sensor alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E3 Drying free?

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

### Is OmniAlert free?

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

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

E3 Drying and OmniAlert are both rated 5.0 out of 5 on the App Store, from 10 and 1 ratings respectively.

### Do E3 Drying or OmniAlert have ads?

Neither E3 Drying nor OmniAlert shows ads.

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

E3 Drying ships an update every 3 weeks, and OmniAlert every 4 months. Most recently, E3 Drying was updated on October 2, 2026 and OmniAlert on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*