# COA Vision vs OEC Events

The clearest difference is update cadence: COA Vision at every 6 weeks against OEC Events's every 3 months. 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.

COA Vision ships an update every 6 weeks, OEC Events every 3 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | COA Vision | OEC Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (73 ratings)](https://appshunter.io/ios/app/coa-vision/id1585894331/reviews)** | — |
| Number of ratings | **73** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 86 MB | 65 MB |
| Requires iOS | **16** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [California Optometric Association](https://appshunter.io/developer/619572880) | [Weyes Geyes Inc](https://appshunter.io/developer/1743269550) |

## What reviewers say

### COA Vision

[App page](https://appshunter.io/ios/app/coa-vision/id1585894331)

This app promotes the optometry profession and advocates for quality eye healthcare for Californians. It serves as a resource for professionals and the public.

**Highlights:** Promotes optometry profession, Advocates for eye healthcare, Resource for Californians, Professional development

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

**In-app purchases:** none


### OEC Events

[App page](https://appshunter.io/ios/app/oec-events/id6499369146)

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

**In-app purchases:** none


## Frequently asked questions

### Is COA Vision free?

COA Vision is free to download, with no in-app purchases.

### Is OEC Events free?

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

### Do COA Vision or OEC Events have ads?

Neither COA Vision nor OEC Events shows ads.

### Which is updated more often, COA Vision or OEC Events?

COA Vision ships an update every 6 weeks, and OEC Events every 3 months. Most recently, COA Vision was updated on October 14, 2026 and OEC Events on October 4, 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.*