Custom web applications built on the right stack — from Bubble.io to full custom code.
Full-stack web apps on Next.js, React, and Supabase when you need to own the code and scale on your terms — or Bubble.io when speed to market matters more, built properly by someone who spent a year doing production Bubble development at a UK no-code agency before founding SigmaticAI.
Built for teams that need a real web app, not just a landing page
Pre-funding validation
You need a real, usable product to show investors or early users — not slides — and you need it in weeks, not a quarter.
An app that has outgrown its current build
Whether it was built on Bubble or something else, workflows are slow, the data structure fights you, or performance is dropping as users grow.
Unsure whether to go no-code or custom
You don't know yet whether Bubble gets you there faster and cheaper, or whether this needs custom code from day one — and getting that call wrong is expensive either direction.
Everything you need to ship
Full-stack custom web apps
Next.js, React, Supabase, and PostgreSQL for apps that need real ownership, performance, and scale from day one.
Bubble.io when speed wins
Data structure, workflows, and integrations built properly on Bubble — the single biggest reason Bubble apps get slow is a data model bolted on as an afterthought, not the tool itself.
A migration path, not a rebuild
Start fast on no-code, move specific pieces to custom code only once real usage proves which pieces need it — no throwing away working product for the sake of it.
Performance & handover
Optimized load times and clean documentation so you're never locked into one developer, on either stack.
Shipped, not theoretical
Talking Books — AI Education Platform
AI-powered education app that turns textbooks into interactive lessons, generates exercises, and tracks mastery — for the 250M+ students in India.
Accsys — Offline-First Accounting
Voucher-driven accounting software with inventory, multi-company support, and real-time reporting — built for Indian SMBs that still run on Excel.
CampusKart — College Store E-commerce
The campus store reimagined. Students order what they need instantly. Stores manage inventory effortlessly. Deliveries happen live.
5.0★ on Google, in their words
Left on our Google Business and Clutch profiles, quoted exactly as written.
They delivered on time and were very proactive in recommending new capabilities for the marketplace.
SigmaticAI delivered a complete MVP with five feature areas, including a vetted caregiver marketplace, membership plans, courses, and events. The team was proactive, talented, and knowledgeable, recommending new capabilities and using the latest technology.
SigmaticAI delivered exceptional results in building our custom Agentic AI system. Ketan Khamgaonkar’s technical mastery in autonomous agent design, system integration, and workflow execution made project delivery seamless. Implementation was prompt, and the AI agents immediately streamlined our operations. Highly recommend Ketan and the SigmaticAI team!
Working with SigmaticAI has been an outstanding experience. A special mention to Ketan Khamgaonkar, whose deep technical expertise, clear communication, and structured approach made a significant difference throughout our project. Delivery was prompt, and the AI solutions implemented have had an immediate, positive impact on our workflow. Highly recommend Ketan and the SigmaticAI team!
I have purchased clinic software from them.. it has improved efficiency and treatment quality for my patients.. Also it’s very useful for accurate accounting..
Good experience with development and automating process. Great management and quick handover.
Common questions
Should my web app be built on Bubble.io or custom code?
If the core question is 'does anyone want this,' Bubble usually gets you there faster and cheaper. If you already know the answer and the question is 'can this scale on my terms,' custom code on Next.js and Supabase avoids a rebuild later. We'll tell you honestly which situation you're in.
Is Bubble.io good enough for a production app, or just a prototype?
Bubble.io can run real production apps well past the prototype stage — the constraint isn't Bubble, it's how the data model and workflows are built early on. Get those right and Bubble apps happily serve thousands of users.
Can you take over an existing web app someone else built?
Yes, on either stack. We start with a data-structure and architecture audit before touching anything, since most performance problems trace back to the original data model, not the framework.
Have a project like this in mind?
Tell us what you're building — we'll tell you the fastest honest path to live.