Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix and finish loveable bolt or cursor vibe coded apps and launch your mvp
Kein.C
About this gig
Built an app with Lovable, Bolt or Cursor, but now it's broken, unfinished or refusing to launch?
Stop wasting time fixing one bug only to create another.
I will fix and finish your vibe-coded app, troubleshoot broken features and help turn your existing AI-built project into a functional MVP.
WHAT I CAN FIX:
- Lovable, Bolt and Cursor app errors
- Broken buttons, pages and forms
- Supabase login and authentication issues
- Database and API connection errors
- React and Next.js bugs
- Mobile responsiveness problems
- Stripe checkout integration issues
- Missing or unfinished app features
- Broken routing and dashboards
- Messy AI-generated code
- Vercel and Netlify deployment failures
- Environment configuration problems
- App testing and launch preparation
MY APPROACH
I review your existing code, identify the root problem, fix the agreed issues and test affected features before delivery.
Message me your app link and what's broken. Let's get your project working!
Get to know Kein.C
Kein.C
I design high converting canva templates ebooks and email designs
- FromUnited States
- Member sinceMar 2026
Languages
English, German
I help businesses and creators turn their ideas into high converting Canva designs that attract and engage their audience.
From ebooks, workbooks, and lead magnets to email templates and business documents, I create clean, structured, and visually appealing designs that are easy to use and built for results.
My focus is clarity, branding, and conversion so every design not only looks professional but performs effectively.
Whether you’re growing your brand or launching a digital product, I deliver reliable and scalable solutions. Let’s create designs that stand out and convert.
FAQ
Can you fix my Lovable or Bolt app without starting over?
Yes. I can inspect the existing project, identify the problem and make targeted repairs while preserving working features wherever possible.
Can you fix Supabase authentication and database errors?
Yes. I can troubleshoot login failures, signup issues, database connections, permissions and Row Level Security policies within the agreed scope.
Can you complete features that AI coding tools couldn't finish?
Yes. I can implement clearly defined missing functionality. Larger features and complex integrations require a custom offer.
Can you fix broken Stripe payments?
Yes. I can investigate supported Stripe Checkout, webhook and payment integration issues. Complete payment system development is priced separately.
Can you make my app work properly on mobile devices?
Yes. I can fix responsive layouts, overlapping elements, broken mobile navigation and related CSS problems.
Can you deploy my vibe-coded application?
Yes. I can troubleshoot deployment problems and configure supported platforms such as Vercel or Netlify where the project and hosting account allow it.
Will you test my app before delivery?
Yes. I'll test the agreed fixes, explain what changed and identify any important remaining limitations. Full security certification and zero-bug guarantees are not included.
