Last updated: July 1, 2026

Language: English | 简体中文 | 繁體中文

LightLeaf is a personal journaling and mood tracking app. This Privacy Policy explains what information LightLeaf processes, how it is used, where it is stored, and what choices are available to you.

1. Information You Provide

LightLeaf may process the following information when you use the app:

• mood records, including selected emotions, timestamps, energy values, pleasantness values, leaf data, and related visual progress;
• optional journal text, additional mood records, and Extra Notes;
• optional emotion source tags, including default tags and custom tags under Thing, People, and Place;
• app preferences, including language, reminder settings, storage preference, scene preference, nickname, and selected avatar;
• subscription status information required to determine access to Pro features;
• information you choose to include when submitting feedback or reporting a problem, including your message content and selected feedback category.

LightLeaf does not require account registration and does not provide a separate developer-operated account system.

2. How Information Is Used

LightLeaf uses information only to provide and maintain app functionality, including:

• saving and displaying your mood records and journal entries;
• generating leaves, visual progress, statistics, and personal history views;
• enabling reminders according to your settings;
• managing local preferences and app state;