# COA Vision vs Doc

The clearest difference is ratings volume: COA Vision at 88 against Doc's 2. Doc's advantage is iOS requirement (14.3 vs 16). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for COA Vision against 5.0 for Doc. That said, the two scores are not equally well evidenced: COA Vision has 88 ratings behind it against 2, so its average is the more settled of the two.

COA Vision ships an update every 6 weeks, Doc every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | COA Vision | Doc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (88 ratings)](https://appshunter.io/ios/app/coa-vision/id1585894331/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/doc-alert/id1622273788/reviews)** |
| Number of ratings | **88** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 86 MB | 2 MB |
| Requires iOS | 16 | **14.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [California Optometric Association](https://appshunter.io/developer/619572880) | [DocAlert, LLC](https://appshunter.io/developer/1622273790) |

## 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


### Doc

[App page](https://appshunter.io/ios/app/doc-alert/id1622273788)

This application enhances clinical workflow by providing real-time visibility into doctor and staff locations within a facility. It aims to improve efficiency and patient care by reducing time spent searching for personnel. The tool helps healthcare providers manage resources more effectively.

**Highlights:** Real-time staff location visibility, Improved clinical workflow, Enhanced patient care, Resource management, Better staff communication

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COA Vision free?

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

### Is Doc free?

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

### Which has better reviews, COA Vision or Doc?

Doc is rated higher. COA Vision averages 4.9 out of 5 from 88 ratings, while Doc averages 5.0 from 2 ratings.

### Do COA Vision or Doc have ads?

Neither COA Vision nor Doc shows ads.

### Which is updated more often, COA Vision or Doc?

COA Vision ships an update every 6 weeks, and Doc every 5 weeks. Most recently, COA Vision was updated on November 3, 2026 and Doc on November 3, 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.*