Now booking Build Days — $2,500 fixed
One day.
Your problem. Working software.
Book a Build Day and walk away with a custom tool deployed and running by 5pm. No mockups, no proposals, no waiting.
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apps shipped
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Not sure what to build first?
Describe your biggest problem. We'll build you a working prototype overnight. Free.
The StackFast Difference
See what changes when you stop settling for software that wasn't built for you.
Before StackFast
- Running your business on spreadsheets and email
- Paying staff to do data entry a computer should handle
- Off-the-shelf software that doesn't fit how you work
- Quoted $80K+ by dev agencies (and 6 months to deliver)
- Tried no-code but hit the wall on customisation
After StackFast
- Custom software built around YOUR workflows
- Live and deployed in 1-2 weeks
- Full source code you own — no lock-in
- Staff freed up to do actual valuable work
- A system that grows with your business
How a Build Day Works
Five steps. One day of building. A working tool you own forever.
Scope
9am30-minute scoping session at 9am — we agree what gets built today. No proposal cycles, no mockups.
Build
9am–4pmYou watch it happen. Real-time progress, no black box. Ask questions and steer as it takes shape.
Ship
5pmDeployed by 5pm. Live URL, login credentials, working tool. Your team can start using it tonight.
Train
We don't just hand over the keys. We show your team how to use it — and how to get more out of it over time.
Own
The code, the data, the infrastructure — all yours. No vendor lock-in. No ongoing fees unless you want continued development.
What We Build
Everything your business needs to stop relying on spreadsheets, manual processes, and tools that don't fit. Not mockups. Working software.
Business Operations Apps
Custom tools to run your business — quoting, scheduling, inventory, job tracking, invoicing. Replace the spreadsheets with software built around how YOU work.
Customer Portals & Dashboards
Give your clients a branded login where they can view orders, track progress, download documents, and communicate with your team.
Internal Tools & Admin Panels
Operational dashboards, team management, reporting interfaces, approval workflows. Stop wasting time on manual work.
AI Agents
Automated workflows, smart assistants, and AI employees that run on autopilot — quoting, follow-ups, client chat, document processing.
Business Automations
Connect your tools, eliminate manual data entry, trigger actions automatically. Your stack finally talks to itself.
API & Integration Layers
Connect your systems. Payment processing, Xero/MYOB/QuickBooks sync, CRM integration, automated data flows between tools.
Mobile-Ready Applications
Progressive web apps that work on any device. Give your team and customers access from anywhere — no app store required.
AI agents built in a day
Your business runs on repetition. Let's automate it.
We build AI agents that handle the boring, repeatable parts of your business — quoting, follow-ups, client questions, document processing — so you can focus on the work only you can do.
“We hired an AI employee.”
That's how our clients describe it. It has a job. It shows up every day. It never calls in sick.
Simple, Transparent Pricing
Fixed quotes. No hourly billing. No surprises. You know exactly what you're paying before we start.
Build Day
Show up at 9am with a problem. Walk away at 5pm with working software — deployed, live, and yours.
Fixed price. No surprises.
- Scoping session at 9am
- Working software deployed by 5pm
- 2 weeks of post-launch bug fixes
- Full source code ownership
- No vendor lock-in
Best for: Tradies, small operators, first-time clients, quick wins
Book a Build DayBuild Sprint
For bigger problems that need more than a day. More features, more complexity — same speed-first approach.
3–5 days of focused building
- Everything in Build Day
- Admin panel and dashboard
- API integrations
- User authentication
- 2 weeks of post-launch bug fixes
- Full source code ownership
Best for: Growing SMBs, multi-part problems, client-facing portals
Book a CallGrowth Partner
For clients who've already shipped with us and want to keep building. Monthly retainer with dedicated development time.
per month · ongoing development
- Everything in Build Sprint
- Priority scheduling
- Monthly roadmap planning session
- Continuous feature development
- Product strategy input
Best for: Clients who've done a Build Day or Sprint and want to keep moving
Let's TalkHow We Compare
| StackFast | Agencies | No-code | In-house hire | |
|---|---|---|---|---|
| Time to first result | Same day | Weeks | Days (limited) | Months |
| AI automation | Built in | Extra cost | Limited | Needs AI skills |
| Typical cost | $2.5K–$40K | $80K–$200K+ | $50–$500/mo | $150K+/yr |
| You own the code | Always | Maybe | No | Yes |
Got a problem you'd like shipped by 5pm tomorrow?
Book a Build Day — $2,500Real Business Results
See how businesses like yours are saving time, cutting costs, and scaling faster with custom software.
TradeFlow Pro
Job tracking and quoting system for a growing trades business
ClientHub
Customer portal for a professional services firm
DocScan AI
Automated invoice processing with AI extraction
What Our Clients Say
“StackFast built us a job tracking system in 6 days. My team stopped losing quotes the same week.”
Sarah Chen
Operations Manager, BuildRight Construction
“We went from idea to live customer portal faster than it took to get a quote from the last agency.”
Marcus Williams
Director, Pinnacle Advisory
“I didn't think we could afford custom software. StackFast showed me we couldn't afford NOT to have it.”
David Park
Founder, GreenLeaf Logistics
Frequently Asked Questions
Everything you need to know about working with StackFast.
One day. Your problem. Shipped by 5pm.
Book a Build Day and walk away tonight with working software you own. Or try the Overnight Build — we'll build you a free prototype tonight.
Or email us at hello@withstackfast.com