# SFRBM vs ISSX Events

The clearest difference is update cadence: ISSX Events at every 2 months against SFRBM's every 12 months. SFRBM's advantage is rating (5.0 vs 4.8). On price, ratings volume, 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.

SFRBM holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 10 respectively.

SFRBM ships an update every 12 months, ISSX Events every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SFRBM | ISSX Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sfrbm/id6737702847/reviews)** | [4.8 (10 ratings)](https://appshunter.io/ios/app/issx-events/id6751650039/reviews) |
| Number of ratings | 4 | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 81 MB | 98 MB |
| Requires iOS | **14** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Society for Redox Biology and Medicine (SfRBM)](https://appshunter.io/developer/1276640169) | [International Society for the Study of Xenobiotics](https://appshunter.io/developer/1471635332) |

## What reviewers say

### SFRBM

[App page](https://appshunter.io/ios/app/sfrbm/id6737702847)

Access meeting schedules, presentations, and exhibitor details for Society for Redox Biology and Medicine events. Take notes directly on slides and engage with attendees through in-app messaging.

**Highlights:** View meeting schedules, Access presentations and posters, Detailed exhibitor and speaker information, Take notes on slides, Draw directly on presentation slides, In-app messaging with attendees, Attendee message board

**Features:** macOS Compatibility

**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 SFRBM free?

SFRBM 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, SFRBM or ISSX Events?

SFRBM is rated higher. SFRBM averages 5.0 out of 5 from 4 ratings, while ISSX Events averages 4.8 from 10 ratings.

### Do SFRBM or ISSX Events have ads?

Neither SFRBM nor ISSX Events shows ads.

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

SFRBM ships an update every 12 months, and ISSX Events every 2 months. Most recently, SFRBM was updated on October 30, 2026 and ISSX Events on November 5, 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.*