🚀 The 90-Day Startup Launch Checklist

From Idea to MVP — A Practical Guide by Crelligent & Co.

Introduction

Starting a business is exciting, but without a clear roadmap, it's easy to get lost in the chaos. This checklist is designed to take you from a raw idea to a working Minimum Viable Product (MVP) in 90 days.

We've distilled insights from building multiple startups and helping dozens of founders launch their products. Follow this step-by-step, and you'll avoid the costly mistakes that kill 90% of startups.

Let's build something great.

📅 Phase 1: Validate (Days 1-30)

"Make sure you're solving a real problem"

Week 1: Problem Discovery

• Write down the problem you're solving in ONE sentence
• List 3 types of people who have this problem
• Identify where these people hang out (online/offline)
• Join 5 communities where your target users are active

Week 2: Customer Conversations

• Reach out to 20 potential users for interviews
• Conduct at least 10 problem interviews (15-20 min each)
• Document pain points, workarounds, and willingness to pay
• Create a "Problem Validation Summary" (1-page)

Week 3: Competitive Analysis

• List 5-10 competitors or alternatives
• Identify their strengths and weaknesses
• Find your unique angle or positioning
• Document your differentiation in 2-3 bullet points

Week 4: Value Proposition

• Write your value proposition statement
• Create a simple landing page (1 page, 1 CTA)
• Drive 100+ visitors to the page
• Collect at least 30 email signups (validates interest)

✅ Phase 1 Complete Checklist:

• Problem validated with real users?
• At least 30 people on your waitlist?
• Clear positioning against competitors?

🎨 Phase 2: Design (Days 31-50)

"Design the experience before you build"

Week 5: User Journey Mapping

• Map the ideal user flow (signup → value → retention)
• Identify the "aha moment" — when users see value
• List core features (max 3-5 for MVP)
• Prioritize ruthlessly: What's essential vs. nice-to-have?

Week 6: Wireframing

• Sketch low-fidelity wireframes (paper or Figma)
• Review wireframes with 3-5 potential users
• Iterate based on feedback
• Finalize the core screens

Week 7: Branding & Visual Design

• Define brand colors (2-3 colors max)
• Choose fonts (1 for headings, 1 for body)
• Design a simple logo (or use a text logo)
• Create high-fidelity mockups for core screens

✅ Phase 2 Complete Checklist:

• Clear user journey defined?
• Wireframes validated with users?
• Visual identity ready?

💻 Phase 3: Build (Days 51-75)

"Ship fast, iterate faster"

Week 8-9: Development Setup

• Choose your tech stack (keep it simple)
• Set up version control (GitHub)
• Set up project management (Notion, Trello, Linear)
• Define sprint goals (what to ship each week)

Week 10: Core Feature Build

• Build the #1 core feature (the "aha moment" feature)
• Keep scope tight — resist feature creep
• Test as you build (don't wait until the end)
• Get early feedback from 2-3 beta users

Week 11: Integration & Polish

• Connect authentication (login/signup)
• Set up database and basic API
• Add minimum necessary UI polish
• Ensure mobile responsiveness

✅ Phase 3 Complete Checklist:

• Core feature working?
• Users can sign up and experience value?
• No major bugs blocking usage?

🚀 Phase 4: Launch (Days 76-90)

"Get it in front of real users"

Week 12: Pre-Launch Prep

• Set up analytics (Google Analytics, Mixpanel, or Posthog)
• Create onboarding flow (first-time user experience)
• Write launch announcement (email, social media)
• Prepare support channel (email, chat, or WhatsApp)

Week 13: Soft Launch

• Invite your waitlist (30+ people)
• Monitor for bugs and feedback
• Fix critical issues in real-time
• Collect testimonials from early users

Week 14: Public Launch

• Announce on LinkedIn, Twitter/X, and communities
• Submit to Product Hunt (optional but powerful)
• Email your network with a personal ask
• Celebrate! You shipped a product. 🎉

✅ Phase 4 Complete Checklist:

• MVP live and accessible?
• At least 50 real users signed up?
• Feedback loop in place for iteration?

🛠 Bonus: Tools We Recommend

📞 Need Help?

If you want hands-on support to launch faster, Crelligent offers:

• Startup-As-A-Service: End-to-end MVP development
• Strategy Sessions: 1-on-1 guidance from experts
• Templates & Kits: Ready-to-use business resources

👉 Book a free 30-minute strategy call: crelligent.com/contact

© 2025 Crelligent & Co. | crelligent.com