# ACVR vs ISSX Events

The clearest difference is update cadence: ISSX Events at every 2 months against ACVR's every 12 months. On price, rating, ratings volume 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 — 4.7 for ACVR against 4.8 for ISSX Events. Both are backed by a comparable volume of ratings — 29 and 10 respectively.

ACVR ships an update every 12 months, ISSX Events every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ACVR | ISSX Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (29 ratings)](https://appshunter.io/ios/app/acvr/id1436889250/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/issx-events/id6751650039/reviews)** |
| Number of ratings | **29** | 10 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 83 MB | 98 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ACVR](https://appshunter.io/developer/1436889249) | [International Society for the Study of Xenobiotics](https://appshunter.io/developer/1471635332) |

## What reviewers say

### ACVR

[App page](https://appshunter.io/ios/app/acvr/id1436889250)

Access conference schedules, presentations, and exhibitor details. Take notes directly on slides, draw on content, and utilize in-app messaging for networking. Share information easily with colleagues and attendees.

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

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

**In-app purchases:** none


### ISSX Events

[App page](https://appshunter.io/ios/app/issx-events/id6751650039)

Access presentations, exhibitors, and connect with other attendees at ISSX conferences. Take notes directly on presentation slides and draw on them within the event apps.

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

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

**In-app purchases:** none


## Frequently asked questions

### Is ACVR free?

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

### Is ISSX Events free?

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

### Which has better reviews, ACVR or ISSX Events?

ISSX Events is rated higher. ACVR averages 4.7 out of 5 from 29 ratings, while ISSX Events averages 4.8 from 10 ratings.

### Do ACVR or ISSX Events have ads?

Neither ACVR nor ISSX Events shows ads.

### Which is updated more often, ACVR or ISSX Events?

ACVR ships an update every 12 months, and ISSX Events every 2 months. Most recently, ACVR was updated on October 21, 2026 and ISSX 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.*