Trusted by developers from top tech companies
Your Path to Success
A simple, supportive 4-step journey to your next professional milestone.
Personalized Mapping
Share your CV and the job details. We'll instantly find the best areas for you to focus your practice.
Safe Practice Room
Step into a comfortable, simulated environment. Practice your responses via text or voice at your own pace.
Expert Feedback
Receive a friendly, professional analysis of your strengths and specific areas where you can shine even brighter.
Success Roadmap
Follow a custom learning plan designed to build your confidence and polish your skills before the real day.
Private & Secure
No sign-ups required. Your data stays in your browser. We use local encryption to keep your API keys and CVs completely private.
Natural Voice Mode
Practice speaking naturally with our voice interface. Build the muscle memory to explain complex ideas clearly under pressure.
Actionable Insights
We don't just ask questions. We help you find your experience gaps and give you clear tips to close them before the big day.
Empathetic AI Personas
Interact with a variety of professional personas—from supportive HR leads to inquisitive managers. Our AI understands the nuances of your field, helping you refine your reasoning and storytelling in a realistic but safe environment.
Creative Strategy Canvas
Visually map out your ideas, designs, or complex processes on our integrated whiteboard. Whether it's a marketing funnel, a UX flow, or a system architecture, our AI can analyze and discuss your visual reasoning.
Personalized Narrative Alignment
See how your unique profile connects with any job description. Get a clear match score and actionable tips to help your professional story resonate with recruiters and automated systems alike.
Simple & Fair Pricing
We believe professional growth should be accessible. JoonaPrep is free to use—you only pay for the AI you use.
Full privacy with Bring Your Own Key.
Requires an OpenAI API Key. Most sessions cost less than $0.05, paid directly to the provider.
Join Successful Candidates
"The insights were so helpful! It helped me understand exactly how to explain my operations experience for a management role. I felt so much more prepared."
"I used to get nervous during interviews, but the voice mode let me practice speaking out loud until I felt natural. It made a huge difference!"
"Finally, a professional tool that is both powerful and easy to use. I loved that I could prepare for different types of roles for just a few cents."
Helpful Information
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What is 'Bring Your Own Key'?
Can I practice for any job?
Start your journey today.
Practice in a safe space and build the skills you need to succeed. Your first session is just seconds away.
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