Vape Diary

Xiaoyi Peng Health & Fitness iPhoneiPadiPod touch

Vape Diary is a free Health & Fitness app for iPhone and iPad by Xiaoyi Peng. Rated 5.0/5 from 4 ratings. Requires iOS 15.0. Updated February 20, 2026.

Rating: 5.0; 4 ratings
Price: Free; on the App Store
Size: 32 MB; Age 17+
Updated: Feb 20; 2026 · v1.0.5

Download on theApp Store See alternatives

Screenshots

About Vape Diary

Welcome to Vape Diary, a digital diary to track tobacco use behaviors. This mobile app is a part of a research study by the Perelman School of Medicine at the University of Pennsylvania. Key Features: - Secure & Private: Your diary entries are stored securely and your privacy is our top priority. - Simple Interface: Easily log your daily experiences in just a few moments. - Helpful Reminders: Receive gentle notifications to help you remember to make an entry. - Contribute to Science: Your participation directly supports ongoing public health research. This app is for research participants only. An invitation code is required to create an account.

What’s new

Version 1.0.5 · Updated February 20, 2026

- Fixed email verification - Redesigned the color scheme

App privacy

The developer, Xiaoyi Peng, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Contact Info: Email Address
User Content: Other User Content
Identifiers: User ID, Device ID
Usage Data: Product Interaction

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Diagnostics: Performance Data

Used for: App Functionality

App details

Vape Diary is a free Health & Fitness app for iPhone, iPad and iPod touch, developed by Xiaoyi Peng. It is rated 5.0 out of 5 from 4 ratings on the App Store, requires iOS 15.0 or later and is 32 MB to download. It was first released on July 28, 2025 and last updated on February 20, 2026.

Category: Health & Fitness
Rating: 5.0 / 5 (4 ratings)
Price: Free
Version: 1.0.5
Size: 32 MB
Requires: iOS 15.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 17+
Released: July 28, 2025
Last updated: February 20, 2026
Developer: Xiaoyi Peng

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Alternatives to Vape Diary

Looking for apps like Vape Diary? Here are 6 similar apps on the App Store. The highest rated is Contigo (5.0/5), and all 6 are free to download.

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