# SFRBM vs APS Physiology

The clearest difference is update cadence: APS Physiology at every 2 weeks against SFRBM's every 12 months. 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.

SFRBM ships an update every 12 months, APS Physiology every 2 weeks. The most recent releases landed on June 4, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SFRBM | APS Physiology |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sfrbm/id6737702847/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 81 MB | 87 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) | [American Physiological Society](https://appshunter.io/developer/1674934435) |

## 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


### 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 SFRBM free?

SFRBM 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 SFRBM or APS Physiology have ads?

Neither SFRBM nor APS Physiology shows ads.

### Which is updated more often, SFRBM or APS Physiology?

SFRBM ships an update every 12 months, and APS Physiology every 2 weeks. Most recently, SFRBM was updated on June 4, 2026 and APS Physiology on September 13, 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.*