# CURT Events vs ECC Association

The clearest difference is iOS requirement: ECC Association at 15.1 against CURT Events's 17.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CURT Events | ECC Association |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 61 MB | 43 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [The Construction Users Roundtable](https://appshunter.io/developer/1483656625) | [Engineering Construction & Contracting Association](https://appshunter.io/developer/1792465665) |

## What reviewers say

### CURT Events

[App page](https://appshunter.io/ios/app/curt-events/id6443920355)

**Features:** macOS Compatibility

**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 CURT Events free?

CURT 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 CURT Events or ECC Association have ads?

Neither CURT Events nor ECC Association shows ads.

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

CURT Events ships an update every 3 months, and ECC Association every 3 months. Most recently, CURT Events was updated on September 8, 2026 and ECC Association on September 17, 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.*