Stop Paying Monthly Fees. Own Your Tools Forever.
1dev.ai helps businesses break free from endless subscriptions by generating custom, code-based replacements for the tools they use every day—CRM systems, invoicing tools, project managers, schedulers, inventory dashboards, and more.
Our AI takes what you already use (QuickBooks, HubSpot, Trello, Monday, Salesforce, etc.) and rewrites the functionality into your own custom app—hosted anywhere you want, with no recurring SaaS fees.
Upload screenshots, describe your workflows, or share exported data.
1dev.ai will rebuild fully custom versions of:
You end up with your own private app, accessible only to your company.
"Clone my QuickBooks invoicing workflow but make it simpler."
Host it on:
No subscription. No lock-in.
Stop paying per-seat SaaS pricing.
Your clients, your invoices, your notes—fully private.
Add features SaaS tools don't let you modify.
Your custom system can still connect to:
You can add new modules anytime with a single prompt.
Generate your own invoicing + expense tracking + reporting tool:
A private CRM tailored to your workflow:
Trello/Monday-style board with:
Calendar + appointment booking like Calendly:
Why rent your CRM, invoicing system, or project manager when you can own the code?
1dev.ai lets you recreate the exact tools you use today—QuickBooks, HubSpot, Trello, Notion, and more—without monthly fees.
Get custom-built software:
Your business, your code, your rules.