Firebase Studio: First Look as a Web and Mobile Developer

We’ve all seen the flood of AI coding assistants. Most are great for generating snippets or autocompleting a function, but I’ve found that very few really tackle the initial heavy lifting—getting a full project off the ground from just a concept. You often end up stitching together generated code, which can be just as time consuming as writing it yourself.
This is where I think Firebase Studio (which you might remember as Project IDX) offers something genuinely different. It's not just another AI chatbot plugged into an editor. Instead, it’s a cloud IDE designed from the ground up for prompt first development.
What is Firebase Studio?
Firebase Studio is a complete, cloud-based workspace designed to get you from an idea to a deployed app faster. It has mainly two features, Prototype and IDE which built on top of Visual Studio Code. I’ve spent some time playing around with it, testing both the AI powered prototyping with a Next.js project and the standard cloud IDE for a new Flutter app. The results are genuinely impressive.
Based on my experience, here are the standout benefits that make it worth your time.
A Truly Hassle-Free Setup
We’ve all lost hours to the classic "it works on my machine" problem. As a Flutter developer, I really understands pain behind initial setup and switching between Flutter versions. Firebase Studio completely gets rid of this headache. Since it’s a cloud IDE, you no longer need to manage any complex local installations. You just open your browser, create a workspace, and start coding.
Unified Workspace
Another benefit is having everything in one browser tab. It combines code editing, backend integration, deployment, and testing into a single interface. This means no more constant switching between your IDE, Firebase Console, or a browser. It’s a small change that removes a surprising amount of friction from the development loop.
Collaboration That Actually Works
Because everything runs in the cloud, collaboration becomes incredibly simple. Instead of sending zip files or trying to sync environments, you just share your workspace with a teammate using a single URL. The best part? They get same workspace and environment instantly. This means you can get help on a bug or onboard a new developer in seconds, without any friction.
In-Browser Emulators and Previews
Testing your app is incredibly simple. It comes with in-browser emulators to see how your app looks and behaves on different devices. My favorite feature here is the one-click preview. You can generate a public URL and a QR code to share your work-in-progress with anyone, on any device. It's perfect for quick feedback without a full deployment.
Current Limitations and Pricing
It’s an exciting tool, but it's important to remember that Firebase Studio is still in preview. While it’s stable enough for real projects, there are a couple of things to keep in mind.
Limitations in Preview
The most advanced AI features, which is Prototyping, is sadly only available for Next.js and TypeScript projects. As a Flutter developer, I'm eagerly waiting for this capability to roll out for Dart, but for now, the primary benefit for us is the excellent cloud based IDE with builtin support of Gemini.
How the Pricing Works
Firebase Studio itself is free to use until it’s in preview. As of today, you can create up to three workspaces (among them only two Flutter or React project) to build and experiment.
However, the underlying Firebase services you use within your app are billed according to their standard pricing model. So, if your app uses Firestore, Authentication, or App Hosting, you’ll be subject to the costs associated with those services, just as you would be normally. The good news is you can get a lot done on Firebase's generous free plan before ever needing to pay.
Trying the AI Prototype:
Okay, so even though I’m a Flutter dev at heart, I had to see what the AI prototyper could do. I opened up a new workspace with the Next.js template, curious to see if it lived up to the hype.
I decided to build something simple: a budget planning app.
Instead of writing a single line of code, I just started describing what I wanted in the prompt box. I told it to make a clean dashboard for a budget app, mentioned the main colors as orange and black color, just like Firebase studio itself- I liked it much :)
And this is where the magic happens. In less than a minute, it generated an entire Next.js project. Have a look at following video:
I have to say, the result was awesome. It didn't just make a plain page; it created a full app with a great-looking dark theme. You can see in the screenshots how the black background makes all the other colors pop, especially on the dashboard where there's a bright bar chart showing my spending. The fonts were clean and the whole layout looked really professional. Honestly, you’d never guess that an AI built this entire UI from a simple text prompt. It felt just like a real, polished app.
What's really wild is that a text prompt is just one way to get started. I noticed there’s also a visual editor where you can literally drag and drop components onto a canvas to build your UI. Or you can draw on it and it will attempt to turn that into a working layout.
Now it’s Time for the Flutter App
Alright, that Next.js prototype was fun, but now for what I was really excited about: Flutter. It's important to know that the fancy AI prototyping isn't available for us yet, so you can't generate a whole app from a single prompt. Instead, we create a clean starter project and then use the built-in Gemini chat to help us build it out. But honestly, the real magic here is skipping the entire local setup. No more wrestling with Flutter or Android SDKs—you just get to code.
Getting started was incredibly simple. I just navigated to New Workspace -> Mobile -> Flutter, gave my project a name, and hit Create. About a minute later, my browser transformed into a complete Flutter dev environment. The best part is that the built-in Gemini model with Flutter and Dart MCP server is ready to go, and it’s capable of handling complex tasks. Because it's connected directly with Flutter and Dart's most current knowledge, you don't have to worry about the quality of the code it generates. Everything is just there, ready for you to start building without the usual setup headaches.
So, I had the default Flutter counter app running. It's a classic, but a bit boring. I wanted to see how easily I could transform it into something completely different using only prompts.
I opened the Gemini chat panel and gave it my first command:
Generate a new static shopping item list for a home screen. Replace classic counter home screen with the one you generate.
The list should be a horizontal scrolling Row of Cards.
Each Card should represent a fashion item like clothes, wearables, or sunglasses.
Include a placeholder image, item name, and price for each item.
Use hardcoded data directly in the widget.
The entire component should be a stateless widget.
Just like that, It started refactoring the code. A few moments later, the emulator refreshed, and the counter was gone. In its place was a basic, functional horizontal list. It got the structure right, but it was very plain and not much styling, just text. It was a good starting point, but it definitely needed some love.
This is the fun part, though. You don't have to get it all right in one go. I wanted a much better design, so I gave it a detailed follow-up prompt, asking it to act more like a UI designer.
Redesign the previous Flutter product card UI.
Goal: Make it clean, elegant, and visually engaging, following modern e-commerce design patterns.
Changes:
Card Style: Instead of a standard Card, use a Container with a BoxDecoration. Give it a subtle BoxShadow and rounded corners.
Color: Each card should have a unique, soft, and elegant background color drawn from a predefined pastel palette.
Layout: Make the product image the hero element, taking up about 60% of the card's height.
Interactivity: Add a circular "Add to Cart" icon button at the bottom right and a "Favorite" icon at the top right of the card.
This is where it felt much better. The emulator flickered, and the entire UI transformed. The basic cards were replaced with beautiful containers, soft shadows, unique pastel colors, and even the little "Favorite" and "Add to Cart" icons. It instantly felt like a modern, clean e-commerce app.
It wasn't 100% perfect. The cart icon looks quite bigger and couple of the placeholder image URLs it grabbed from the web were broken, giving me a 404 error. But that's a tiny fix I can do in seconds. The heavy lifting—the layout, the styling, the new widgets—was all done for me, and it looked fantastic on both mobile and the web.
Final Takeaways
After spending some real time with Firebase Studio, I can say it's a genuinely exciting tool. It’s fun to work with, and for the most part, it does its job incredibly well. It’s a tool I can see myself using to kickstart new ideas without all the usual setup friction.
Now, we should remember it's still in preview, so you might run into a few little quirks. For example, the web preview window sometimes gave me an ERR_TOO_MANY_REDIRECTS error in Chrome, though it worked fine in Safari. A couple of times, a quick hard refresh of the entire IDE was needed to get things back on track.
But these are minor hiccups for a tool that's still evolving. The team is clearly working on adding more improvements, and I'm excited to see what comes next. And like many of you, I've got my fingers crossed that the full AI prototyping experience will be available for us Flutter developers very soon.
Connect with me
Hello there! 👋 I’m Mihir Joshi, I'm a Senior Software Engineer with over five years of experience specializing in the Flutter framework. I'm passionate about building clean, performant, and beautiful mobile applications that provide real value to users.
I enjoy sharing what I learn with the developer community. If you found this article helpful or just want to talk about all things Flutter, feel free to connect with me on LinkedIn.

