We engineer
SaaS software.
An Australian studio that designs, builds and runs software products. Small teams, and you deal directly with the people writing the code.
Monthly revenue
$84,210 +24%
MRR
$84.2K
Churn
1.2%
Users
12.4K
What we build on
Most of what we ship runs on these, so we know their quirks as well as their docs.
- AWSHosting and infrastructure
- Google CloudHosting and data
- StripePayments and billing
- MicrosoftAzure and identity
- AppleiOS and the App Store
- VercelNext.js hosting
What we do
Custom Software
Tools, portals and APIs
Web & Mobile
Web, iOS and Android
SaaS Platforms
Billing, tenancy, roles
AI & ML
Assistants, search, RAG
UI/UX Design
Research, prototypes, UI
DevOps & Cloud
AWS, CI/CD, monitoring
One small team, the whole project
The designer and engineers you meet on the first call are the ones who build it and put it live. No account managers in between, and no hand-off to a different team halfway through.
Start to finish
The people who design it are the people who build it, deploy it and fix it.
Familiar ground
We've built for SaaS, fashion, fitness and AI companies before, so less of your budget goes on us learning the domain.
Working software, early
Two-week sprints, each ending in a demo on a staging environment you can use.
Priced in writing
A fixed quote for the agreed scope. If the scope changes, the price changes on paper before the work starts.
Where we've done most of our work
We take on other work too, but in these four we already know the integrations and the traps.
How a project runs
Most projects go through these four stages. The weighting shifts with the job, but the shape is the same.
Tap a step to replay it
Discovery
Scope and quote
A week or two of conversations with you and, where we can, your users. You get a written scope, a plan and a fixed quote at the end of it.
- Stakeholder interviews
- Competitive analysis
- User research & personas
- Technical feasibility audit
Design
Flows, then a prototype
User flows and wireframes first, then a clickable prototype you can put in front of real people before anything is built.
- Wireframing & IA
- Interactive prototyping
- Visual design & systems
- User testing & iteration
Develop
Sprints and demos
Two-week sprints. Each one ends with a demo of working software on a staging environment you can log into.
- Modern tech stack
- Agile 2-week sprints
- Code review & quality gates
- Continuous integration
Deploy & Iterate
Go live and keep going
We put it live, watch it closely for the first few weeks, and fix what real use turns up. Ongoing support is there if you want it.
- Cloud deployment & CI/CD
- Performance monitoring
- Analytics & A/B testing
- Ongoing support
Ballpark your build
Pick what you need for a rough timeline and cost range. It's indicative only. A real quote comes after we've talked through the scope.
1 · Project type
2 · Scope
3 · Features
Your estimate
Timeline
22–28 weeks
Budget
$71K–$89K
Indicative AUD range
Suggested stack
Write your first line of code
No setup, no sign-up. Boot a pretend Interstellr app right here: type a command and hit enter.
What clients say
“Working with Alex from Interstellr was an incredible experience. He took the time to understand my vision, offered creative ideas, and delivered a high-quality app that exceeded my expectations. Alex is professional, approachable, and always went the extra mile to ensure everything was perfect. I highly recommend him to anyone looking for a talented and reliable developer!”
Olivia Jones
Director
“Interstellr have been helpful since day one, since I started working with them in November last year, they’ve helped me market our family business, and keep our in-store tech online whenever something goes down.”
Kosta Glavas
Project Manager
“Interstellr brings a premium touch to every project, combining clean design with reliable performance. The team is incredibly efficient, easy to work with, and clearly knows their craft. Highly recommend them to anyone looking for top-quality digital and tech services!”
Petros Assiotis
Owner