# NAMSS vs SFRBM

The clearest difference is ratings volume: NAMSS at 396 against SFRBM's 4. 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 NAMSS against 5.0 for SFRBM. That said, the two scores are not equally well evidenced: NAMSS has 396 ratings behind it against 4, so its average is the more settled of the two.

NAMSS ships an update every 6 months, SFRBM every 12 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | NAMSS | SFRBM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (396 ratings)](https://appshunter.io/ios/app/namss/id6463031400/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sfrbm/id6737702847/reviews)** |
| Number of ratings | **396** | 4 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 82 MB | 81 MB |
| Requires iOS | 15.5 | **14** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [NATIONAL ASSOCIATION MEDICAL STAFF SERVICES](https://appshunter.io/developer/1460404825) | [Society for Redox Biology and Medicine (SfRBM)](https://appshunter.io/developer/1276640169) |

## What reviewers say

### NAMSS

[App page](https://appshunter.io/ios/app/namss/id6463031400)

Access conference schedules, presentations, and speaker information. Take notes directly on slides and engage with other attendees through in-app messaging.

**Highlights:** View conference schedule, Access presentations and speaker 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


### 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


## Frequently asked questions

### Is NAMSS free?

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

### Is SFRBM free?

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

### Which has better reviews, NAMSS or SFRBM?

SFRBM is rated higher. NAMSS averages 4.9 out of 5 from 396 ratings, while SFRBM averages 5.0 from 4 ratings.

### Do NAMSS or SFRBM have ads?

Neither NAMSS nor SFRBM shows ads.

### Which is updated more often, NAMSS or SFRBM?

NAMSS ships an update every 6 months, and SFRBM every 12 months. Most recently, NAMSS was updated on October 24, 2026 and SFRBM 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.*