### 🍕 Key Features

#### AI Food Photo Evaluation System
- **Food Challenge**: Take photos with a new food theme every week.
- **AI Evaluation System**: AI automatically analyzes and scores uploaded food photos.
- **Objective Feedback**: Fair, unbiased food evaluation by AI.
- **Real-time Notifications**: Receive instant notifications when food photo evaluations are complete.

#### Real-time Ranking System
- **Score-based Ranking**: Real-time ranking system based on AI evaluation scores.
- **Food Competition**: Compete against photos of the same food theme and check rankings.
- **Sense of Achievement**: A sense of accomplishment and motivation through high scores and rankings.
- **Top 10 Display**: View the top food photos at a glance on the main screen.

#### Lightweight Social Features
- **Comment System**: Comment on other users' food photos and interact.
- **Anonymous**: Freely communicate without complicated profiles or followings.
- **Real-time Comments**: Receive instant notifications of new comments.
- **Profile Customization**: Customize your name and profile picture.

#### Privacy-focused design
- **Anonymous users**: Easy access with Firebase anonymous authentication, no sign-up required.
- **Minimum information collected**: Only the information necessary to provide app functionality is collected.
- **Ad-free environment**: Ad-free app for a clean user experience.
- **Data protection**: Secure data management with Firebase security rules.