// ai mobile app development agency
AI-Powered Mobile Apps — Flutter + OpenAI + Vapi + n8n
We build Flutter mobile apps with real AI built in — not just a chatbot widget. In-app OpenAI and Claude chat assistants, Vapi voice AI, AI agents that take actions, and n8n automation backends. We are one of the few mobile studios that combines senior Flutter engineering with production AI integration experience — having shipped AI products to 18,000+ active users.
18K+
Users on our AI products
50+
Apps shipped
5.0★
Upwork rating
6 wks
AI MVP timeline
// the problem
Why Most Mobile Agencies Can't Build Real AI Apps
Most mobile development agencies know how to build standard apps — CRUD, authentication, push notifications. But connecting a Flutter app to a live AI model, building a voice assistant that feels natural, wiring autonomous AI agents to take actions inside your backend, or setting up n8n automation flows that respond to in-app events — that requires a different skillset.
At CodeXcelerate, our mobile engineers work alongside our AI engineers on the same projects. When we build an AI feature into a Flutter app, the person writing the Flutter widget and the person designing the LangGraph agent are in the same team call. That integration removes the gap that causes most AI app projects to fail — the AI works in isolation but breaks when connected to the real product.
We've built AI products with 18,000+ active users. We know how to handle rate limits, streaming responses, latency UX (loaders, streaming text), error states when the AI fails, and cost management at scale. This is production AI experience — not proof-of-concept demos.
// ai capabilities
AI Features We Build Into Mobile Apps
In-app AI chat (OpenAI / Claude)
Embed a GPT-4o or Claude-powered chat assistant directly in your Flutter app. Trained on your product knowledge, it answers user questions, guides onboarding, and handles support 24/7.
Voice AI assistant (Vapi)
Real-time voice conversations powered by Vapi — users speak to your app and it responds naturally. AI appointment booking, voice-activated search, in-app customer service calls.
AI agents connected to your app
Users trigger multi-step AI agents from inside the app — research, booking, CRM updates, email drafting, data lookups — all completed autonomously in the background.
n8n automation backend
We wire n8n automation workflows to your Flutter app so user actions trigger complex multi-tool automations — CRM syncs, email sequences, webhook flows — without custom backend code.
Computer vision & image AI
Camera-based AI features — product scanning, document OCR, face recognition, object detection, AR filters — powered by OpenAI Vision, Google ML Kit, or custom models.
AI recommendations & personalisation
Machine learning models that personalize content feeds, product recommendations, workout plans, meal suggestions — adapting in real time to each user's behaviour.
// case study
How We Built a Flutter App with AI Integration
// real project
How We Built a Flutter App with OpenAI Chat + n8n Automation
TradeBeep — AI Trading Alerts App
The Problem
The client needed a Flutter app that could deliver real-time AI-generated trading alerts, answer user questions about specific stocks, and automatically trigger email notifications when alert conditions were met.
The Solution
We built a Flutter app with a Claude-powered in-app chat assistant trained on trading terminology, a real-time alert engine connected to market data APIs, and an n8n backend that triggered email and push notifications automatically when thresholds were hit.
Tech Stack
Results
- →Real-time AI chat answering trading queries inside the app
- →Automated alert engine running 24/7 via n8n workflows
- →App live on both stores — 4.6★ average rating
- →Zero backend engineers needed post-launch — n8n handles the automation
// our ai + mobile stack
Technologies We Use
Mobile
AI & LLMs
Voice & Agents
Backend & Infra
// who it's for
Who Hires Us for AI Mobile Apps
B2B SaaS founders
Adding an AI assistant or AI-powered feature to your SaaS product on mobile — Claude or OpenAI integrated, trained on your data.
E-commerce apps
AI shopping assistant, voice search, visual product search, personalised recommendations — all integrated into Flutter iOS and Android.
Health & wellness apps
AI coaching, natural language symptom checking, wearable data interpretation, personalised programme generation.
Productivity & B2B tools
In-app AI agents that complete tasks for users — research, drafting, scheduling, CRM updates — triggered from a mobile interface.
// what clients say
Clients Who've Shipped AI Products With Us
"CodeXcelerate took TradeBeep from just an idea to a launched product — the app, the admin panel, the landing page, and even our marketing. Having one team handle the build and the growth made everything seamless."
Oluwole Kayode
Founder, TradeBeep
"They built Snap To Let end to end, from concept to launch, and the quality was excellent. We trusted them so much that we're now building a second product with them."
Geetha Nath
Founder, Snap To Let
// faq
AI Mobile App Development FAQs
What is AI-powered mobile app development?+
AI-powered mobile app development means integrating large language models (like OpenAI GPT-4o or Claude), voice AI (like Vapi), computer vision, or autonomous AI agents directly into a mobile app — so the app can understand natural language, make recommendations, answer questions, take actions, or generate content in real time.
Can you integrate OpenAI or Claude into a Flutter app?+
Yes. We've built Flutter apps with embedded OpenAI chat interfaces, Claude-powered document analysis, RAG knowledge bases, and custom AI assistants. The AI runs via API calls from your Flutter app to a secure backend, so API keys are never exposed in the mobile client.
What is Vapi and can you build voice AI into a mobile app?+
Vapi is a voice AI platform that lets you build real-time voice assistants — the AI equivalent of a phone call. We integrate Vapi into Flutter apps to create in-app voice assistants, AI appointment booking flows, and AI customer service calls triggered from within the mobile app.
Can you build a mobile app with AI agents that take actions?+
Yes. We build mobile apps that trigger AI agents to complete multi-step tasks — searching the web, querying databases, sending emails, updating CRMs, booking appointments — based on a user request inside the app. The agent runs on your backend (LangGraph or n8n) and the app surfaces the result.
How much does an AI-powered Flutter app cost?+
An AI-powered Flutter MVP with OpenAI chat integration starts from $8,000. A full-featured app with voice AI, custom AI agents and n8n automation backend runs $15,000–$35,000. We give a fixed-price quote with a clear scope after a free discovery call.
Is the AI data and user data kept secure?+
Yes. API keys never live in the mobile client — all AI calls go through a secure backend. User data is encrypted at rest and in transit. We implement proper authentication and rate limiting so your AI features can't be abused. We sign NDA before any work starts.
Do you serve AI app clients in the US and UK?+
Yes. Most of our AI mobile app clients are in the US (New York, San Francisco, Austin), UK (London), and Australia (Sydney, Melbourne). We have 3–4 hours of real-time daily overlap with each timezone.
// build your ai app
Build Your AI-Powered Mobile App
Tell us what AI feature you want to add to your mobile app. We'll map a technical plan, timeline and fixed price — no obligation.
Reply within 4 hours · NDA before work starts · Fixed price · IP is yours