# PCSO Events vs ACOI Events

The clearest difference is update cadence: ACOI Events at monthly against PCSO Events's every 11 months. ACOI Events also leads on ratings volume (67 vs 12). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.8 for PCSO Events against 4.9 for ACOI Events. That said, the two scores are not equally well evidenced: ACOI Events has 67 ratings behind it against 12, so its average is the more settled of the two.

PCSO Events ships an update every 11 months, ACOI Events monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | PCSO Events | ACOI Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (12 ratings)](https://appshunter.io/ios/app/pcso-events/id6466825426/reviews) | **[4.9 (67 ratings)](https://appshunter.io/ios/app/acoi-events/id6692608799/reviews)** |
| Number of ratings | 12 | **67** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Free | Free |
| Size | 91 MB | 84 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Pacific Coast Society of Orthodontists](https://appshunter.io/developer/1434416184) | [American College of Osteopathic Internists](https://appshunter.io/developer/567593502) |

## What reviewers say

### PCSO Events

[App page](https://appshunter.io/ios/app/pcso-events/id6466825426)

This app provides access to annual conferences for orthodontists. Attendees can view presentations, exhibitors, and posters, and connect with other professionals. Features include note-taking and drawing directly on presentation slides.

**Highlights:** Access conference presentations, View exhibitor information, Connect with attendees, Take notes on slides, Draw on presentation slides

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

**In-app purchases:** none


### ACOI Events

[App page](https://appshunter.io/ios/app/acoi-events/id6692608799)

This app provides attendees of the ACOI Event with access to presentations, speaker information, and exhibitor details. Users can take notes directly on slides, draw on content, and communicate with other attendees via in-app messaging, tweeting, and emailing.

**Highlights:** View abstracts and presentations, Access speaker and exhibitor details, Take notes on presentation slides, Draw directly on slides, In-app messaging with attendees, Share information via tweet and email

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

**In-app purchases:** none


## Frequently asked questions

### Is PCSO Events free?

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

### Is ACOI Events free?

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

### Which has better reviews, PCSO Events or ACOI Events?

ACOI Events is rated higher. PCSO Events averages 4.8 out of 5 from 12 ratings, while ACOI Events averages 4.9 from 67 ratings.

### Do PCSO Events or ACOI Events have ads?

Neither PCSO Events nor ACOI Events shows ads.

### Which is updated more often, PCSO Events or ACOI Events?

PCSO Events ships an update every 11 months, and ACOI Events monthly. Most recently, PCSO Events was updated on October 24, 2026 and ACOI Events 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.*