# INV ARC

> INV ARC (iPhone/iPad app by Washington University in St. Louis.)

- Source: https://appshunter.io/ios/app/inv-arc/id1603908461 (this page in markdown: same URL + `.md`)
- Developer: [Washington University in St. Louis](https://appshunter.io/developer/431339390)
- Category: Medical
- Price: Free
- Age rating: 4+
- Requires: iOS 14.1 · 56 MB
- Languages: English
- Released: 2022-02-02
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/inv-arc/id1603908461/reviews.md

## What is INV 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 DIAN ARC research study.


## Version history (last 5 releases)

### 1.2.2 — 2024-11-12

bug fixes and support for iOS 18

### 2.10.1 — 2024-04-23

time sensitive notifications

### 1.2.0 — 2024-03-05

bug fixes and support for time sensitive notifications

### 1.1.10 — 2023-11-27

Bug Fixes

### 1.1.9 — 2023-07-24

Bug fixes for authentication and cacheing

## More apps by Washington University in St. Louis

- [WUSM OB Calc](https://appshunter.io/ios/app/wusm-ob-calc/id600123897)
- [WashU Mobile](https://appshunter.io/ios/app/washu-mobile/id786410936)
- [WUSM OB Insulin](https://appshunter.io/ios/app/wusm-ob-insulin/id829933660)
- [AD8](https://appshunter.io/ios/app/ad8/id1194123984)
- [microCavity](https://appshunter.io/ios/app/microcavity/id1213513282)
- [DIAN ARC](https://appshunter.io/ios/app/dian-arc/id1404686200)

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

---

*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 2026-05-19.*