Explore product changes faster, inside the real product
Test multiple directions directly in your application, using real components, flows, and constraints instead of restarting from scratch each time.
Try new directions directly in the product
Start from the existing flow and generate new variations inside the actual product. Explore different layouts, interactions, and paths without stepping outside the system.
Compare ideas without slowing the team down
Move quickly between alternatives, see how each direction behaves, and decide what to keep before turning it into a longer engineering cycle.
Fei Studio empowers the whole team
Including Product Managers, Designers & Engineers
Use cases
Validate Product Ideas
Turn early ideas into production-ready changes, release them behind feature flags, and learn from real user behavior before committing fully.
Product
Prototype With Real Code
Designers prototype new experiences directly in the product environment instead of relying only on static mockups.
Design
Accelerate Feature Delivery
Move from product requests, screenshots, or tickets to production-aligned pull requests faster by reducing handoffs.
Product Engineering
Improve Existing Features
Refine existing product experiences and workflows without rebuilding them from scratch.
Product Design Engineering
Refactor Legacy Interfaces
Modernize legacy UI surfaces and migrate them toward current component standards while preserving the structure of the real codebase.
Engineering Design
Rapid Product Iteration
Explore multiple variations of product flows quickly inside the real product environment to accelerate discovery and refinement.
Product Design
Stakeholder Demos
Create realistic demos using the real product environment instead of static mockups for leadership or customer conversations.
Product Design
Design System Alignment
Generate product updates that reuse existing components and patterns to maintain consistency across the application.
Design Engineering
Turn Support Feedback Into Product Changes
Translate customer feedback, bug reports, and support tickets into concrete product improvements aligned with the codebase.
Product
Explore UX Improvements
Experiment with navigation, layout, and interaction improvements directly in the real product environment.
Design Product
Build Enterprise Customizations
Create tailored product experiences required for enterprise customers while keeping changes aligned with the existing architecture.
Engineering Product
Test Feature Variations
Generate alternative versions of product flows and interfaces to explore new directions before committing to implementation.
Product Design
Get Started
Explore more product angles faster than ever
Connect your repo and start turning product ideas into real, testable changes.
No credit card required. We'll reach out within 48 hours.