We build software
your users will love
Zastto is a software development studio helping companies and startups turn ideas into web and mobile products — thoughtfully built, beautifully made.
What we do
Everything you need to build
From first line of code to launching in the product — we've got you covered.
Web Development
Beautiful, fast websites and web apps built with React, Next.js, and Angular. From landing pages to full SaaS products.
Mobile Apps
iOS and Android apps using React Native — one codebase, two platforms, the experience your users expect.
Backend & APIs
Solid, scalable backends with Node.js and MongoDB. APIs that are a pleasure to work with and built to last.
Technical Consulting
Not sure where to start? We'll help you pick the right tech, structure your team, and plan the road ahead.
Our background
Worked inside great companies
Before starting Zastto, our team spent years working as engineers inside some of the best product companies around. That means we don't just write code — we think about scale, user experience, and long-term maintainability.
More about usMobiKwik
Fintech
Airtel Payments Bank
Banking
Pristyn Care
Health Tech
💬 Real product experience — not just side projects or freelance gigs. We know what it means to ship at scale.
Technologies we work with
Why Zastto
A team you'll actually enjoy working with
Product company experience
Our team has shipped inside top product companies. We bring that discipline and quality to your project.
We keep things simple
No jargon, no fluff. Just clear communication, honest timelines, and work you can be proud of.
End-to-end ownership
Design, build, test, ship — we handle the whole journey so you can focus on your business.
Long-term thinking
We build software that's easy to maintain and grow, not just something that works today.
How it works
Simple from day one
Tell us about your idea
Share what you're building. No brief too rough, no idea too early.
We scope it together
A free discovery call to understand your goals and figure out the best path forward.
We get to work
Clear milestones, regular updates, and a team that actually cares about the outcome.
Launch & beyond
We launch your product and stick around to support, improve, and scale it with you.
Have an idea? Let's build it.
We'd love to hear about your project. The first conversation is always free.