Show HN: ImagineIf – Collaborative storytelling with AI visuals (22 languages)(apps.apple.com)

apps.apple.com

Show HN: ImagineIf – Collaborative storytelling with AI visuals (22 languages)

https://apps.apple.com/us/app/imagineif-story-chains/id6759722274

ImagineIf is a platform where users collaboratively write stories, one 280-character segment at a time, and AI generates a visual for each contribution automatically. Each story starts with an "Imagine if..." prompt. Anyone can continue a chain — the AI produces an image for every new segment using FLUX-dev (Replicate as primary, fal.ai as fallback). Stories can branch based on contributor choices. Tech stack: React Native/Expo (web PWA + iOS + Android), FastAPI backend, MariaDB, Celery+Redis for async image gen, Groq/Llama for moderation and translation, FLUX-dev for visuals. What's live today:

Web: https://imagineif.app iOS: https://apps.apple.com/app/imagineif-story-chains/id67597222... Android in closed testing 22 language support with automatic translation pipeline

The hardest part technically was building a reliable dual-provider image pipeline that degrades gracefully without blocking the user's contribution flow — a failed image generation shouldn't interrupt the writing experience. Happy to answer questions about the architecture or the solo-founder experience.

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