# Cogram vs COAA Event Hub

The clearest difference is update cadence: Cogram at every 4 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.

Cogram ships an update every 4 weeks, COAA Event Hub every 8 months. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Cogram | COAA Event Hub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 8 months |
| Size | 50 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Cogram](https://appshunter.io/developer/1762676239) | [Construction Owners Association of America](https://appshunter.io/developer/1370419632) |

## What reviewers say

### Cogram

[App page](https://appshunter.io/ios/app/cogram/id6634152136)

**Features:** 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 Cogram free?

Cogram 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 Cogram or COAA Event Hub have ads?

Neither Cogram nor COAA Event Hub shows ads.

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

Cogram ships an update every 4 weeks, and COAA Event Hub every 8 months. Most recently, Cogram was updated on September 16, 2026 and COAA Event Hub on September 14, 2026.

---

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