Simple Billing for Small Businesses and a Smarter System for What Comes Next
PlainStack is a low-cost, easy-to-implement SaaS solution built for small businesses that want to get paid faster, reduce manual work, and stop stitching together too many tools. We’re starting with built-in billing and invoicing, with more business functionality coming over time.
Invoices due this week
$18,420
Payments posted
$9,640
Workflow
- Draft invoice
- Send to customer
- Track payment
Business clarity
Invoices, balances, and follow-up in one view
Most small businesses don’t need more software. They need less chaos.
Too often, the day starts with one spreadsheet, three browser tabs, a pile of email threads, and the sinking feeling that billing is scattered everywhere. PlainStack is being built to calm that down. Start with billing. Add more as you grow.
Too many moving parts, not enough clarity
When billing lives in sticky notes, inboxes, PDFs, and whatever spreadsheet got updated last, it wears people down. Folks are not asking for more complexity. They want a clean way to send invoices, track payments, and know where things stand.
A calmer day and a cleaner billing routine
PlainStack aims to give small teams that satisfying feeling of finally having things in one place. Invoices go out cleanly, payments are easy to follow, and the whole picture feels a lot more manageable.
Built for the way small businesses actually work
Built-in Billing
Create invoices, track payments, and stay on top of what’s due.
Easy to Implement
Simple enough to get rolling without turning setup into a project of its own.
Low-Cost SaaS
Affordable pricing designed for real businesses watching every dollar.
Ready to Grow
Start with billing now, expand into more business functionality over time.
Start with the part that matters most: getting paid
PlainStack keeps the MVP clear and useful. The first goal is simple: help you send the invoice, follow the payment, and stop wondering what slipped through the cracks.
- Billing accounts
- Invoices and line items
- Payment tracking
- Invoice status visibility
- Clean workflows
- Simple notifications
Issue invoices clearly
Build invoices with the right line items, due dates, and customer details without bouncing between tools.
Track payment status
See what has been paid, what is overdue, and what needs follow-up in one clear workflow.
Reduce manual admin
Keep basic billing work from turning into a patchwork of notes, reminders, and extra spreadsheets.
Create a stronger base
Start with immediate billing value now and keep room for more operational workflows over time.
Built to grow with your business
PlainStack starts with billing because that’s where cash flow starts. Once that part feels steady, the plan is to keep building outward so more of the day-to-day work can live in one sensible place instead of being scattered all over town.
Simple preview pricing for early customers
Starter
$49/month
For solo operators and very small businesses.
Team
$149/month
For small businesses with shared operations.
Platform
$399/month
For growing businesses that want more room to expand.
Be first to try PlainStack
Join the Preview Edition list and we’ll contact you as soon as access becomes available. If billing has felt more tangled than it ought to, this is exactly what PlainStack is meant to fix.