# Controlled Release Society vs NACFC

The clearest difference is ratings volume: NACFC at 220 against Controlled Release Society's 34. 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.

Controlled Release Society holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: NACFC has 220 ratings behind it against 34, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Controlled Release Society | NACFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (34 ratings)](https://appshunter.io/ios/app/controlled-release-society/id1629109132/reviews)** | [4.6 (220 ratings)](https://appshunter.io/ios/app/nacfc/id6443723259/reviews) |
| Number of ratings | 34 | **220** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | Every 11 months |
| Monetization | Free | Free |
| Size | 82 MB | 97 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Controlled Release Society, Inc](https://appshunter.io/developer/1484852690) | [Cystic Fibrosis Foundation](https://appshunter.io/developer/474104960) |

## What reviewers say

### Controlled Release Society

[App page](https://appshunter.io/ios/app/controlled-release-society/id1629109132)

Access presentations, presenter, and exhibitor details for select society meetings. Draw, highlight, and take notes directly on presentation slides, with all notes saved online for easy access.

**Highlights:** Browse presentations, View presenter details, Access exhibitor information, Draw and highlight on slides, Take notes on slides, Online note saving

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

**In-app purchases:** none


### NACFC

[App page](https://appshunter.io/ios/app/nacfc/id6443723259)

Access event schedules, presentations, exhibitors, and speaker details for NACFC events. Enhance your learning by taking notes directly on presentation slides, posters, and exhibitor information. Connect with other attendees through in-app messaging, tweeting, and emailing.

**Highlights:** View event schedule, Access presentations and speaker details, Take notes on slides, posters, and exhibitors, Draw directly on presentation slides, In-app messaging with attendees, Share information via tweeting and emailing

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

**In-app purchases:** none


## Frequently asked questions

### Is Controlled Release Society free?

Controlled Release Society is free to download, with no in-app purchases.

### Is NACFC free?

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

### Which has better reviews, Controlled Release Society or NACFC?

Controlled Release Society is rated higher. Controlled Release Society averages 4.8 out of 5 from 34 ratings, while NACFC averages 4.6 from 220 ratings.

### Do Controlled Release Society or NACFC have ads?

Neither Controlled Release Society nor NACFC shows ads.

### Which is updated more often, Controlled Release Society or NACFC?

Controlled Release Society ships an update every 11 months, and NACFC every 11 months. Most recently, Controlled Release Society was updated on October 24, 2026 and NACFC on October 23, 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.*