Based on the reviews, here are three cons and pros of the Fonts & Symbols Keyboard app: **Pros:** 1. "Easy to use with customizable shortcut keys, lots of unique font styles to choose from." 2. "The font selection is vast, covering various languages and script styles, making it versatile." 3. "Love how it's compatible with all my devices, seamless integration is a plus." **Cons:** 1. "Some fonts not rendering correctly, and there's no option to report bugs or request fixes." 2. "Would appreciate more features like emojis, stickers, or GIFs to make it more interactive." 3. "Occasional lag or delays when switching between fonts or symbols, can be frustrating." Please note that the reviews are subject to change and might not be entirely accurate or up-to-date. Additionally, the tone and language used in the reviews may vary.