# Penn Ditti

> Penn Ditti (iPhone/iPad app by The Trustees of the University of Pennsylvania.)

- Source: https://appshunter.io/ios/app/penn-ditti/id1555693534 (this page in markdown: same URL + `.md`)
- Developer: [The Trustees of the University of Pennsylvania](https://appshunter.io/developer/1227329498)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.8.4 · 39 MB
- Languages: English
- Released: 2021-06-29
- Data updated: 2026-07-16
- User reviews in markdown: https://appshunter.io/ios/app/penn-ditti/id1555693534/reviews.md

## What is Penn Ditti?

Penn Ditti is a software application that a user can download on their smartphone or tablet. University of Pennsylvania School of Medicine staff downloads the data generated by the user for further analysis and it is stored on the University of Pennsylvania School of Medicine’s AWS database. This app does not collect any personal identifiable information such as location, IP address, date of birth, etc. Penn Ditti was developed for the purpose of helping people with their sleep.

Penn Ditti is intended only for users that are provided a user ID by our team. Users can only access the contents of the app if they are given a user ID by University of Pennsylvania School of Medicine staff. After being provided a user ID, do not share it with others. You will not be able to change the user ID given to you. If you lose your user ID, please reach out to us via email.

The purpose of this app is to help encourage people to use a behavioral treatment for insomnia. This may involve changing the things you do before going to sleep. The mobile app will also provide you with instructions on the behavioral treatment for your insomnia and will provide you with educational content or resources related to sleep.

Penn Ditti and related software is owned by the Trustees of the University of Pennsylvania. Copyright 2025. The app is free to download and is provided as-is and should not be used in place of professional medical help.

If you have questions or experience issues while using the app, please contact us at mhealth@pennmedicine.upenn.edu.

Privacy policy: https://www.med.upenn.edu/DittiApp/privacy-policy.html


## Version history (last 5 releases)

### 1.6.4 — 2026-06-23

Added a new day/night mode

### 1.6.3 — 2026-02-21

- Minor bugfixes and optimizations

### 1.6 — 2025-10-12

- Support for bold and enlarged text and TalkBack accessibility features
- Enhanced UI for navigating and selecting audio files
- Enhanced controls for audio playback
- Audio file search, filtering, and favoriting

### 1.5 — 2024-10-16

- Fixed issues with back navigation
- Removed flashing white background on navigation
- Styling changes for readability and usability
- Audio file feature that allows users to listen to audio files for relaxation exercises

### 1.4 — 2023-09-04

Improved security features

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## More apps by The Trustees of the University of Pennsylvania

- [Penn Rescue](https://appshunter.io/ios/app/penn-rescue/id960517702)
- [Penn Life Gained](https://appshunter.io/ios/app/penn-life-gained/id1291403800)
- [myPennMedicine](https://appshunter.io/ios/app/mypennmedicine/id1440687165)
- [Penn Radiology Meetings/Events](https://appshunter.io/ios/app/penn-radiology-meetingsevents/id1455673654)

All apps by The Trustees of the University of Pennsylvania: https://appshunter.io/developer/1227329498

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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 2026-07-16.*