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I will build ai chatbot development ai mobile app ai app developer ai website
Mercy U.
About this gig
Looking for an AI app developer to build an AI chatbot, AI mobile app or AI website that answers your customers 24/7?
Hi, I'm Mercy, an AI app developer. I build AI chatbots, AI mobile apps and AI web apps that reply to customers instantly, collect leads and save your team time.
My AI Services:
- AI chatbot development for your site, WhatsApp, Instagram and Messenger
- Custom AI chatbot trained on your FAQs, documents or products
- AI chatbot connected to your CRM, calendar or database for bookings and leads
- AI mobile app development for iOS and Android
- AI website and AI web app development
- AI features added to your existing site or app
Great for: online stores, real estate, clinics, restaurants, coaches and service businesses.
AI Stack: OpenAI (ChatGPT), Claude, Gemini, LangChain, React, Next.js, Flutter, Node.js
Why Clients Choose Me:
- Clear scope and fixed price before you order
- Regular progress updates
- Full source code at delivery
- Free bug fixes after delivery
Message me with your AI chatbot, AI mobile app or AI website idea, and I'll recommend the right package.
Get to know Mercy U.
Mercy U.
Full Stack React Developer, AI Chatbots, WhatsApp and n8n Automation
- FromNigeria
- Member sinceMar 2025
- Avg. response time1 hour
Languages
English, Spanish, French, Italian
Welcome to my profile!
I'm Mercy, a full stack developer who builds with React, Next.js, Node.js, Supabase and more. I help businesses and startups save time and serve customers better with AI chatbots, WhatsApp chatbots, n8n automation and custom React websites.
My work includes AI chatbots trained on business data, WhatsApp bots for bookings and lead capture, n8n workflows that connect CRMs and apps, and fast, responsive websites and web apps. I agree on scope and price before we start, keep you updated, and deliver clean code you fully own.
Message me to discuss your project!
My Portfolio
FAQ
What AI chatbot development services do you offer?
I build AI chatbots for customer support, lead capture, bookings and FAQs. Your AI chatbot can run on your website, on WhatsApp or inside your AI mobile app.
Do you offer support after delivery?
Yes. Every package includes free bug fixes for a set period. For new features or ongoing support, I'll send you a custom offer.
Do I get the source code?
Yes. You get the full source code and setup notes for your AI chatbot, AI mobile app or AI website. You own everything I build for you.
Will I have monthly costs after delivery?
Usually, yes. AI providers charge by usage, and hosting has its own cost. I'll explain the expected monthly cost before we start, so there are no surprises.
How much does an AI chatbot or AI mobile app cost?
It depends on the features and number of screens. My packages show starting prices. Send me your idea, and I'll give you an exact quote.
Which AI models do you use?
OpenAI (ChatGPT), Claude and Gemini. I'll recommend the best one for your AI chatbot, AI mobile app or AI website based on your budget and needs.
Can you build a complete AI website?
Yes. I build AI websites and AI web apps with features like AI chat, smart search, content generators and user dashboards.
Do you build AI mobile apps for iOS and Android?
Yes. As an AI app developer, I build AI mobile apps with Flutter or React Native, so one app works on both. I can also help with App Store and Google Play submission.
Can you add an AI chatbot to my existing website or app?
Yes. I can add an AI chatbot or other AI features to WordPress, Shopify, Wix, custom websites and existing mobile apps without rebuilding them.
Can my AI chatbot answer using my business information?
Yes. I train your AI chatbot on your FAQs, documents, PDFs, website pages or product list, so it answers from your information instead of guessing.
