# DIAN ARC

> Research registry app for Alzheimer's study using cognitive game-like tests. (iPhone/iPad app by Washington University in St. Louis.)

- Source: https://appshunter.io/ios/app/dian-arc/id1404686200 (this page in markdown: same URL + `.md`)
- Developer: [Washington University in St. Louis](https://appshunter.io/developer/431339390)
- Category: Medical
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 14.1 · 56 MB
- Languages: American English
- Released: 2018-11-13
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dian-arc/id1404686200/reviews.md

## What is DIAN ARC?

The Dominantly Inherited Alzheimer Network (DIAN) is a research group that focuses on studying early-onset, genetically inherited forms of Alzheimer’s disease and is based in Washington University in St. Louis, MO, USA. The DIAN Expanded Registry (DIAN EXR) is a research registry that exists to help find individuals who may be eligible to participate in DIAN studies. Ambulatory research in cognition (ARC) is a DIAN study that involves participants completing brief, game-like tests on their smartphones in order to examine levels of cognitive function over time. This app may only be used by individuals who are registered with the DIAN EXR and have enrolled in the EXR ARC research study.

## Key features

- Participate in Alzheimer's research
- Complete cognitive tests
- Track cognitive function
- Game-like testing interface
- Enroll in research study


## Frequently asked questions about DIAN ARC

### What is DIAN ARC used for?

DIAN ARC is used by registered participants of the DIAN Expanded Registry (DIAN EXR) and enrolled in the EXR ARC research study. It allows them to complete game-like cognitive tests on their smartphones to examine cognitive function over time as part of research into early-onset Alzheimer's disease.

### Who can use DIAN ARC?

DIAN ARC is exclusively for individuals who are registered with the DIAN EXR and have enrolled in the EXR ARC research study. It is not available for general public use.

### Is DIAN ARC free to use?

Yes, DIAN ARC is available for free. It is a research tool developed by Washington University in St. Louis.

### What devices does DIAN ARC support?

DIAN ARC is supported on iPhone and iPod devices. It is designed for mobile use.

### How often is DIAN ARC updated?

The latest version of DIAN ARC is 2.10.2, and it was last updated on November 5, 2024. This indicates regular updates to maintain and improve the application.

### What is the age rating for DIAN ARC?

DIAN ARC has an age rating of 4+. This suggests it is suitable for a wide range of users, though its specific use is restricted to study participants.

### Does DIAN ARC have ads?

No, DIAN ARC does not contain advertisements. As a research application, it focuses on providing a clean user experience for participants.

### What is the user sentiment for DIAN ARC?

DIAN ARC has received a perfect rating of 5.0 stars from its 1 rating, indicating a highly positive user experience from the available feedback.

## Version history (last 5 releases)

### 2.10.2 — 2024-11-05

Bug fixes and support for iOS 18

### 2.10.1 — 2024-04-23

support for time sensitive notifications

### 2.10.0 — 2024-03-06

bug fixes and support for time sensitive notifications

### 2.9.10 — 2023-11-27

Bug Fixes

### 2.9.9 — 2023-07-24

Bug Fixes for logout and caching

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All apps by Washington University in St. Louis: https://appshunter.io/developer/431339390

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*