# ACOI Events vs APS Physiology

The clearest difference is update cadence: APS Physiology at fortnightly against ACOI Events's monthly. 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.

ACOI Events ships an update monthly, APS Physiology fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | ACOI Events | APS Physiology |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (67 ratings)](https://appshunter.io/ios/app/acoi-events/id6692608799/reviews)** | — |
| Number of ratings | **67** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 84 MB | 87 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American College of Osteopathic Internists](https://appshunter.io/developer/567593502) | [American Physiological Society](https://appshunter.io/developer/1674934435) |

## What reviewers say

### 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


### APS Physiology

[App page](https://appshunter.io/ios/app/aps-physiology/id6759407893)

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

**In-app purchases:** none


## Frequently asked questions

### Is ACOI Events free?

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

### Is APS Physiology free?

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

### Do ACOI Events or APS Physiology have ads?

Neither ACOI Events nor APS Physiology shows ads.

### Which is updated more often, ACOI Events or APS Physiology?

ACOI Events ships an update monthly, and APS Physiology fortnightly. Most recently, ACOI Events was updated on October 24, 2026 and APS Physiology 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.*