AABB Events vs Controlled Release Society
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AABB Events
Access data for annual or regional events, including presentations and exhibitor information. Connect with other attendees, take notes on slides, and draw directly on presentation materials.
- Access event presentations
- View exhibitor information
- Connect with attendees
- Take notes on slides
- Draw on presentation slides
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**FOR ATTENDEES ONLY** The AABB Events mobile application allows you to access annual or regional AABB Events data. Within the underlying event apps, users can access presentations, exhibitors, and connect with other attendees. Users can also take notes adjacent available presentation slides and draw directly on slides inside the event apps.
Controlled Release Society
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.
- Browse presentations
- View presenter details
- Access exhibitor information
- Draw and highlight on slides
- Take notes on slides
- Online note saving
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**** FOR ATTENDEES ONLY **** The Controlled Release Society mobile application allows you to browse through presentations, presenter, and exhibitor details, as well as other resources from select Controlled Release Society meetings and events. Presentation slides are also available for many of the sessions. You can draw and highlight directly on the slides using your finger, and you can take notes adjacent each slide. All your notes are saved online and can be accessed through your online personal summary. Controlled Release Society
Screenshots
Verdict
The clearest difference is ratings volume: AABB Events at 232 against Controlled Release Society's 34. On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 — 4.8 for AABB Events against 4.8 for Controlled Release Society. That said, the two scores are not equally well evidenced: AABB Events has 232 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. Both last shipped on November 3, 2026.
| Parameter | AABB Events | Controlled Release Society |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (232 ratings) | 4.8 (34 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 232 — better | 34 |
| Update frequency | Every 11 months | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.5 |
| Further details — not scored | ||
| Size | 88 MB | 82 MB |
| Age rating | 12+ | 12+ |
| Developer | AMERICAN ASSOCIATION OF BLOOD BANKS, INC. | Controlled Release Society, Inc |
Customer experience
AABB Events
Controlled Release Society
In-app purchases
AABB Events
No in-app purchases
Controlled Release Society
No in-app purchases
Questions
Is AABB Events free?
Is Controlled Release Society free?
Which has better reviews, AABB Events or Controlled Release Society?
Do AABB Events or Controlled Release Society have ads?
Which is updated more often, AABB Events or Controlled Release Society?
Other comparisons
