# VTTI Data Diary

> VTTI Data Diary (iPhone/iPad app by Virginia Tech.)

- Source: https://appshunter.io/ios/app/vtti-data-diary/id1503239881 (this page in markdown: same URL + `.md`)
- Developer: [Virginia Tech](https://appshunter.io/developer/391096538)
- Category: Education, Lifestyle
- Price: Free
- Age rating: 17+
- Requires: iOS 12.0 · 34 MB
- Languages: English
- Released: 2021-03-24
- Data updated: 2025-06-23
- User reviews in markdown: https://appshunter.io/ios/app/vtti-data-diary/id1503239881/reviews.md

## What is VTTI Data Diary?

Data Diary is a companion app for participants in VTTI research studies. Data Diary allows participants to record  recent drug and alcohol use to be used for research purposes.

Your privacy is important to us.  All data entered into this application is fully encrypted prior to and during transmission to VTTI's data center.


## Version history (last 3 releases)

### 1.1.0 — 2022-02-01

The workflow for the Quantisal Swab activity has been improved and the ability to have the app remind you to do the swab later has been added.

### 1.0.1 — 2021-10-02

Added Lisinopril to prescription drug list.

### 1.0 — 2021-03-24

No release notes.

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All apps by Virginia Tech: https://appshunter.io/developer/391096538

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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 2025-06-23.*