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Tween

Turn an idea or a reference into a video, starting from a short brief and a choice of formats. Refine successive versions, translate your content and preview the result before exporting it as an MP4.

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App preview
The app in practice
  • Video formats guided by a short brief
  • Versioned editing and one-tap translation
  • Video preview and MP4 export
Behind the product
Advanced
  • A guided creative workflow, from the brief to the finished video
  • Simple controls for refining and adapting each version
Stack
Swift / SwiftUI / WebKitHTML / CSS / JavaScriptCloudflare Workers + R2 + D1LLM

SwiftUI interface with video previews and web animations integrated through WebKit.

LLM-assisted video creation and editing.

A budget for a similar project.
Two ways to build it.

5x cheaper
Without AI acceleration$50K to $75K

Conventional development team

3 to 4 months

With TurboV1$9K to $15K

AI-assisted development, supervised by a senior developer

3 to 4.5 weeks

Indicative estimates for a comparable scope, in US dollars. The final quote confirms the scope, integrations and operating costs.

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