# Dow Events vs ECC Association

The clearest difference is update cadence: Dow Events at every 5 weeks against ECC Association's every 3 months. ECC Association's advantage is iOS requirement (15.1 vs 17.0). 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.

Dow Events ships an update every 5 weeks, ECC Association every 3 months. The most recent releases landed on September 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Dow Events | ECC Association |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 65 MB | 43 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [The Dow Chemical Company](https://appshunter.io/developer/353404902) | [Engineering Construction & Contracting Association](https://appshunter.io/developer/1792465665) |

## What reviewers say

### Dow Events

[App page](https://appshunter.io/ios/app/dow-events/id1659088392)

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

**In-app purchases:** none


### ECC Association

[App page](https://appshunter.io/ios/app/ecc-association/id6740998178)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dow Events free?

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

### Is ECC Association free?

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

### Do Dow Events or ECC Association have ads?

Neither Dow Events nor ECC Association shows ads.

### Which is updated more often, Dow Events or ECC Association?

Dow Events ships an update every 5 weeks, and ECC Association every 3 months. Most recently, Dow Events was updated on September 25, 2026 and ECC Association on October 5, 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.*