Chat Story AI: Texting Story

Chat Story AI is a writing app for chat fiction — stories told in dialogue, exported as videos you can post anywhere. Give your story a title and a cast, pick a genre, and write it line by line. Or hand the AI an idea and let it draft the next chapter for you. When it's done, export it as a video with voices — ready for TikTok, Reels and Shorts. Write it your way • Title your story, name your cast, choose a genre — Horror, Romance, Thriller, Comedy, Drama or Mystery • Write every line yourself, or let on-device AI draft a chapter • Keep going chapter by chapter as the story builds • 23 original looks — Classic, Neon, Candy, Retro IM, Retro 95 and more • Add stickers, narration lines and reactions Turn it into a video • Export as video with typing animation and sound effects • Give every character their own voice • Sized for TikTok, Reels and Shorts Private by design • The AI runs entirely on your device — nothing is sent to a server • No account required