# E3 Drying vs Delmhorst Edge

The clearest difference is ads: E3 Drying at none against Delmhorst Edge's shown. E3 Drying also leads on monetization model (free vs ad-supported) and ratings volume (10 vs 2). On price, rating, update cadence 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 Delmhorst Edge. That said, the two scores are not equally well evidenced: E3 Drying has 10 ratings behind it against 2, so its average is the more settled of the two.

E3 Drying ships an update every 3 weeks, Delmhorst Edge fortnightly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | E3 Drying | Delmhorst Edge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/e3-drying/id1513574356/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/delmhorst-edge/id1521544764/reviews) |
| Number of ratings | **10** | 2 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 68 MB | 94 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scott Dewald](https://appshunter.io/developer/1513574355) | [Delmhorst Instrument Co.](https://appshunter.io/developer/1521544766) |

## 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


### Delmhorst Edge

[App page](https://appshunter.io/ios/app/delmhorst-edge/id1521544764)

This app connects to Bluetooth-enabled moisture meters to retrieve readings, track trends, and generate reports. Users can also customize their meter's functions. A compatible moisture meter is necessary for operation.

**Highlights:** Retrieve moisture meter readings, View trends and statistics, Export reports via email, Customize meter functionality, Bluetooth connectivity

**In-app purchases:** none


## Frequently asked questions

### Is E3 Drying free?

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

### Is Delmhorst Edge free?

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

### Which has better reviews, E3 Drying or Delmhorst Edge?

E3 Drying and Delmhorst Edge are both rated 5.0 out of 5 on the App Store, from 10 and 2 ratings respectively.

### Do E3 Drying or Delmhorst Edge have ads?

Delmhorst Edge shows ads; E3 Drying does not.

### Which is updated more often, E3 Drying or Delmhorst Edge?

E3 Drying ships an update every 3 weeks, and Delmhorst Edge fortnightly. Most recently, E3 Drying was updated on October 2, 2026 and Delmhorst Edge on October 7, 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.*