Intermediate1h 23m20K views

Full Stack AI Habit Tracker App with MERN Stack

Build a full-stack AI Habit Tracker with the MERN stack. Build habits with streaks, reminders and an AI coach powered by Google Gemini, plus daily and weekly progress views — with JWT auth, MongoDB, Express & React + Tailwind. Full source code included.

MongoDBExpressReactNode.jsGemini APIJWTTailwind
Get Source Code — $14Watch on YouTube
Full Stack AI Habit Tracker App with MERN Stack tutorial
1h 23m

What You'll Build

Create & track daily habits
Streaks & completion history
AI habit coach & insights (Gemini)
Reminders and daily / weekly views
Progress dashboard & charts
JWT authentication & protected routes
MongoDB + Express REST API
Responsive React + Tailwind UI

What You'll Learn

Building a full-stack MERN app end to end
Integrating Gemini AI for coaching insights
Designing habit & streak data in MongoDB
Building calendar / streak UI in React
JWT authentication flow
Charts & progress visualisation

Video Chapters

0:00Demo of AI Habit Tracker AppChapter 1
16:34Cloning the UI Boilerplate from GitHubChapter 2
18:00Touring the Project Structure (Components, Pages, Context, Utils)Chapter 3
19:41Running the App with Mock DataChapter 4
21:32Backend Setup & Project StructureChapter 5
25:31Connecting to MongoDB Atlas & Environment VariablesChapter 6
33:03Building Authentication APIs (Register, Login, Get Me, Update Profile)Chapter 7
41:59Building Habit Management APIs (CRUD, Archive, Reorder)Chapter 8
54:36Building Habit Log APIs & Date Helpers (Mark, Unmark, Today, Range, Heatmap, Stats, Streak Math)Chapter 9
1:02:34Building AI APIs with Google Gemini (Weekly Report, Habit Suggestions, Streak Recovery, Habit Chat, Morning Motivation)Chapter 10
1:12:49Replacing Mock API with Real Axios ClientChapter 11
1:14:31End-to-End Testing All FeaturesChapter 12
1:17:22Building the Seed Script for Demo DataChapter 13

Tech Stack

MongoDBNoSQL database storing habits, streaks and progress as flexible documents via Mongoose.
ExpressPowers the REST API — authentication, CRUD routes and business logic.
ReactBuilds the interactive dashboard UI and all client-side state.
Node.jsServer runtime that runs the Express API and connects to the database.
Gemini APIGoogle's LLM powering the app's AI features.
JWTSecures API routes with token-based authentication.
TailwindUtility-first CSS for a clean, responsive interface.
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Frequently Asked Questions

What will I build in this tutorial?

A full-stack AI habit tracker with the MERN stack — build habits with streaks and reminders, get coaching insights from an AI powered by Google Gemini, and track daily and weekly progress.

Do I get the full source code?

Yes. The complete MERN source code is included via Buy Me a Coffee, with a .env setup guide, commented code and deployment instructions.

Is the YouTube tutorial free?

Yes — the full build is free on YouTube. The paid download gives you the finished source code to run and customise.

What tech stack does it use?

MongoDB, Express, React and Node.js with Google Gemini AI, JWT authentication and Tailwind CSS.