# L-DART App

> L-DART App (iPhone/iPad app by The University of Manchester.)

- Source: https://appshunter.io/ios/app/l-dart-app/id1553312930 (this page in markdown: same URL + `.md`)
- Developer: [The University of Manchester](https://appshunter.io/developer/418394509)
- Category: Utilities, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 63 MB
- Released: 2021-02-16
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/l-dart-app/id1553312930/reviews.md

## What is L?

The L-DART app is available to the general public for anyone with a Withings account. It is also linked to the study “Light-Dark and Activity Rhythm Therapy for sleep: Feasibility and acceptability in Schizophrenia spectrum disorders” (L-DART FitSz). You will need a Withings account to use it. It connects to the Withings server, using your Withings account, and displays your activity data (steps and sleep) from your activity tracking wearable, as a graph / plot. This enables you to compare your activity patterns over a period of days, weeks and months and keep track of when you are active and still.
 
The app was developed by the Mobile Development Service in Research IT at The University of Manchester, based on a design by Sophie Faulkner, with input from patient public contributors.


## Version history (last 3 releases)

### 1.0.2 — 2021-11-13

Hotfix to address an issue related to the end of summer time. Updated authentication user flow.

### 1.0.1 — 2021-08-11

v1.0.1 -- Hotfix to address changes in the Withings OAuth API which would otherwise prevent authentication from September 2021.

### 1.0.0 — 2021-02-17

No release notes.

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All apps by The University of Manchester: https://appshunter.io/developer/418394509

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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 2026-05-19.*