
Add a sample rental asset, customer and booking to test the complete rental workflow. Everything entered in the demo is temporary.
Use the real interface with sample information. Export, backup, upload and printing stay reserved for the purchased version.
Submit a review, suggestion, general comment or private problem report. Nothing is published without permission and approval.
Only customer-approved and manually moderated reviews appear here.
A real interactive workspace for your rental business — here's exactly what you get inside.










Availability and maintenance overlaps are flagged before you confirm a job, so you never promise a unit twice.
Track collected, outstanding and held deposits by booking, and see customer balances at a glance.
Compare revenue, utilization and contribution per unit so you keep and grow what actually earns.
Runs in your browser with no account and no subscription. Records stay on your device; back up to dated JSON anytime.
It is designed for equipment, tool, event and party rental workflows rather than residential property or tenant management.
Manage rental assets, bookings, availability, customers, deposits, returns, condition checks, maintenance and asset profitability.
No. It is a one-time download that runs offline in a current browser and stores records locally.
Read the complete RentFlow OS user guide · Work through an equipment rental business plan. Understand one-time-purchase offline business apps.
Secure checkout · 14-day guarantee