# Obvio-19 — COVID-19 Immunity Study

> COVID-19 immunity study participation app for US residents. (iPhone/iPad app by Obvio Health USA Inc..)

- Source: https://appshunter.io/ios/app/obvio-19/id1506235421 (this page in markdown: same URL + `.md`)
- Developer: [Obvio Health USA Inc.](https://appshunter.io/developer/1380794472)
- Category: Medical, Health & Fitness
- Price: Free
- Rating: 3.17/5 from 6 App Store ratings · 3 written reviews indexed
- Age rating: 17+
- Requires: iOS 11.0 · 57 MB
- Languages: English, French, Japanese, Spanish
- Released: 2020-04-22
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/obvio-19/id1506235421/reviews.md

## What is Obvio?

The Obvio-19 app guides US participants through a pioneering research study designed to monitor COVID-19 exposure, symptoms, risk factors and immune response. You will be providing anonymized data that can help the scientific and medical community make smart policy, prevention and treatment decisions to protect the general and at-risk population from this terrible virus. 
•	Everyone is eligible 
•	Easy enrollment 
•	Tracks and record exposure, symptoms, medications, health history medical visits and tests through self-reported data.

## Key features

- COVID-19 exposure tracking
- Symptom recording
- Risk factor monitoring
- Immune response study
- Self-reported health data

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/obvio-19/id1506235421/reviews.md

### 1/5 — Impossible to Sign In

*2020-09-25*

The app glitches frequently, crashing my phone and making it impossible to get past the sign in screen. Seriously needs the bugs worked out!

### 2/5 — App breaking bugs need to be resolved

*2020-08-22*

The app glitches frequently and sign-in becomes impossible unfortunately making it difficult to participate daily

### 1/5 — Doesn’t work

*2020-07-29*

Can’t get passed first screen.

## Frequently asked questions about Obvio

### What is Obvio-19 used for?

Obvio-19 is used by US participants to contribute anonymized data to a pioneering research study monitoring COVID-19 exposure, symptoms, risk factors, and immune response. This data helps the scientific and medical community make informed policy, prevention, and treatment decisions.

### Who is eligible to participate in the Obvio-19 study?

According to the app description, everyone is eligible to participate in the Obvio-19 study. The enrollment process is described as easy.

### What kind of data does Obvio-19 track?

Obvio-19 tracks and records exposure, symptoms, medications, health history, medical visits, and tests through self-reported data from participants.

### Is Obvio-19 free to use?

Yes, Obvio-19 is available for free. There are no in-app purchases or advertisements mentioned in the provided data.

### What devices support Obvio-19?

Obvio-19 is supported on iPhone, iPad, and iPod devices. It is designed for Apple's mobile operating system.

### How often is Obvio-19 updated?

The latest version of Obvio-19 is 1.5, which was last updated on June 18, 2020. The initial release date was April 22, 2020.

### What is the age rating for Obvio-19?

Obvio-19 has an age rating of 17+. This indicates that the content may be suitable for individuals aged 17 and older.

### What is the user sentiment for Obvio-19?

Obvio-19 has a rating of 3.2 stars based on 6 ratings. This suggests a mixed to slightly positive user reception.

## Version history (last 5 releases)

### 1.5 — 2020-06-18

Additional language and stability enhancements

### 1.4 — 2020-05-29

- Bug fixes
- Enhanced UI
- Added monthly questionnaire

### 1.3 — 2020-05-01

- UI Enhancements
- Bug fixes
- Additional tasks integration

### 1.1 — 2020-04-22

- Optimized User Experience
- Other bug fixes
- Integration of additional tasks

### 1.0 — 2020-04-14

No release notes.

## More apps by Obvio Health USA Inc.

- [ClaimIt 2018](https://appshunter.io/ios/app/claimit-2018/id1380794473)
- [ClaimIt 2020](https://appshunter.io/ios/app/claimit-2020/id1489705092)
- [ClaimIt Global](https://appshunter.io/ios/app/claimit-global/id1542947028)
- [ClaimIt UP19](https://appshunter.io/ios/app/claimit-up19/id1548700415)
- [ClaimIt GaRP](https://appshunter.io/ios/app/claimit-garp/id1558994719)

All apps by Obvio Health USA Inc.: https://appshunter.io/developer/1380794472

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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 2026-06-10.*