# DBIA Conferences vs COAA Event Hub

The clearest difference is update cadence: DBIA Conferences at every 2 weeks against COAA Event Hub's every 8 months. COAA Event Hub's advantage is iOS requirement (15.0 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.

DBIA Conferences ships an update every 2 weeks, COAA Event Hub every 8 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DBIA Conferences | COAA Event Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dbia-conferences/id951055613/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 60 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Design-Build Institute of America](https://appshunter.io/developer/1399614502) | [Construction Owners Association of America](https://appshunter.io/developer/1370419632) |

## What reviewers say

### DBIA Conferences

[App page](https://appshunter.io/ios/app/dbia-conferences/id951055613)

Access information for Design Build Institute of America's meetings and conferences. Learn about best practices in design-build project delivery and connect with industry professionals.

**Highlights:** Official conference app, Information on design-build best practices, Details on industry events, Learn about DBIA Certification program, Connect with industry professionals

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

**In-app purchases:** none


### COAA Event Hub

[App page](https://appshunter.io/ios/app/coaa-event-hub/id6743706241)

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

**In-app purchases:** none


## Frequently asked questions

### Is DBIA Conferences free?

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

### Is COAA Event Hub free?

COAA Event Hub is free to download, with no in-app purchases.

### Do DBIA Conferences or COAA Event Hub have ads?

Neither DBIA Conferences nor COAA Event Hub shows ads.

### Which is updated more often, DBIA Conferences or COAA Event Hub?

DBIA Conferences ships an update every 2 weeks, and COAA Event Hub every 8 months. Most recently, DBIA Conferences was updated on November 1, 2026 and COAA Event Hub on October 24, 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.*