Based on the users' reviews of the Symbol Keyboard app, here are three pros and three cons: Pros: 1. Easy to use: Users praise the app's simplicity and user-friendly interface, making it accessible to anyone. 2. Comprehensive symbols: The app offers a vast range of symbols, including over 2000, making it a valuable tool for creative users. 3. Customizable: Reviewers appreciate the ability to customize the keyboard to fit their needs, with features like switching between different languages and symbol sets. Cons: 1. Limited compatibility: Some users report issues with the app's compatibility on newer devices or with certain operating systems. 2. Bugs and glitches: A few users experienced bugs and glitches, such as keyboard freezing or difficulties switching between symbols. 3. In-app purchases: Some users are unhappy with the app's pricing model, which requires additional purchases for premium features and extra symbols. Please note that these are based on a summary of the users' reviews on the App Store and may not reflect your personal experience with the app.