Saturn is an AI-powered back-office automation platform for Japanese SMBs. It reads invoices, purchase orders, and quotes from PDFs and Excel files, then automates data entry, document generation, and CSV exports across Japanese SaaS tools like COREC and freee. Think "Zapier for Japanese SaaS" — but spreadsheet-native and AI-first. No more manual copy-paste between systems.
Saturn is an AI-powered back-office automation platform for Japanese SMBs. It reads invoices, purchase orders, and quotes from PDFs and Excel files, then automates data entry, document generation, and CSV exports across Japanese SaaS tools like COREC and freee. Think "Zapier for Japanese SaaS" — but spreadsheet-native and AI-first. No more manual copy-paste between systems.
Ranked #2790 on TrustMRR
5 active subscriptions
394 followers on 𝕏
Loading revenue data...
Revenue is verified with a
Stripe API key.Last updated: May 22, 2026, 05:35 PM
Select a template and let AI do all the work, reducing manual tasks from 8 hours to just 10 minutes.
Automates the process of transferring COREC orders to freee invoices, saving significant time and reducing manual work.
$3.6M
Tech stack
Additional info
Y Combinator backed