Based on the user reviews of Telegram (not Challegram, which seems to be a typo) on the Google Play Store, here are five points of cons and pros to help you make a conclusion: **Pros:** 1. **Security and Privacy**: Many users praise Telegram for its end-to-end encryption, secure messaging, and respect for user privacy. 2. **User-Friendly Interface**: The app's interface is often described as clean, simple, and easy to use, making it accessible to users of all ages and skill levels. 3. **Customization Options**: Telegram offers a range of customization options, including the ability to change the theme, add custom stickers, and create custom chat backgrounds. 4. **Group Chat Features**: Users appreciate the app's group chat features, including the ability to create large groups, share files, and engage in discussions. 5. **Constant Updates and Improvements**: Telegram's developers are active in releasing regular updates, which often include new features, bug fixes, and performance improvements. **Cons:** 1. **Limited File Sharing**: Some users find the file sharing limit of 2GB per file to be too small, especially for large files or files shared in groups. 2. **Lack of Native Video Calling**: Unlike some other messaging apps, Telegram does not offer native video calling capabilities, which can be a drawback for some users. 3. **Buggy or Glitchy Experience**: A few users report experiencing bugs or glitches, such as crashes, lag, or issues with group chats. 4. **Limited Integration with Other Apps**: Some users find that Telegram's integration with other apps and services is limited, making it difficult to use the app as a central hub for communication. 5. **Occasional Server Issues**: A small number of users report experiencing issues with Telegram's servers, such as slow loading times or difficulties sending messages. Overall, Telegram seems to be a well-regarded app with a strong focus on security, user-friendliness, and customization options. However, some users may be disappointed by the limited file sharing, lack of native video calling, or occasional server issues.