# EAACI Events vs CCC STUDY Diary

The clearest difference is update cadence: CCC STUDY Diary at fortnightly against EAACI Events's every 5 weeks. 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.

EAACI Events ships an update every 5 weeks, CCC STUDY Diary fortnightly. The most recent releases landed on June 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | EAACI Events | CCC STUDY Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/eaaci-events/id879112624/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 89 MB | 26 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [European Academy of Allergy and Clinical Immunology](https://appshunter.io/developer/1281955509) | [ClinCompetence Cologne GmbH](https://appshunter.io/developer/1565156244) |

## What reviewers say

### EAACI Events

[App page](https://appshunter.io/ios/app/eaaci-events/id879112624)

Access the scientific program for allergy-related congresses and meetings. Browse by topic, create a personalized schedule, and find event and venue information. This app serves as a resource for professionals in the field of allergic diseases.

**Highlights:** Browse scientific program by topics, Create personalized event schedule, Find general event information, Access venue details, Information for allergy professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### CCC STUDY Diary

[App page](https://appshunter.io/ios/app/ccc-study-diary/id6443583026)

**In-app purchases:** none


## Frequently asked questions

### Is EAACI Events free?

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

### Is CCC STUDY Diary free?

CCC STUDY Diary is free to download, with no in-app purchases.

### Do EAACI Events or CCC STUDY Diary have ads?

Neither EAACI Events nor CCC STUDY Diary shows ads.

### Which is updated more often, EAACI Events or CCC STUDY Diary?

EAACI Events ships an update every 5 weeks, and CCC STUDY Diary fortnightly. Most recently, EAACI Events was updated on June 10, 2026 and CCC STUDY Diary 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.*